Best 6j1 tube. Apr 16, 2019 · Tube Preamplifier 6J1.

Best 6j1 tube 4 out of 5 stars 32 Sep 1, 2020 · About this item 【Stable Performance】: FE-6J1-2 tube pre-amp board is the schematic design imitation crew fax X-10D, to rational optimization, more stable performance than the original machine, tube play 10% increase. When I've tested the 6A2s on my Hickok 800 using settings for either the 5654s or A range of NOS USSR tested 6J1 Tube Equivalent 6J1P 6Ж1П 6J1P-EV 6Ж1П-EB vacuum tube valve upgrades for Typically Nobsound, Little Dot etc & all other Chinese 6J1 amplifiers. Our 6J1P-EV (6Ж1П-EB) Voskhod Rockets are a ruggedized version of the 6J1 Tube Equivalent 6J1P valve developed for the Russian Military with 5000 hrs life and nickel Mar 8, 2018 · Budget Esoterica Review Magazine March 2018 Issue Fx Audio Tube-01 6J1 tube Buffer HiFi Preamplifier The following review is dedicated to space challenged audiophiles who are looking for a small separates based Get the best deals for 6j1 Tube Preamp at eBay. Internally the connections from the base pins are copper. Or you could just leave one of the 12AX7s in place and keep the current the same as stock. 1. We have reviewed different products and have come to the conclusion that the P1 Vacuum Tube Preamplifier with Bluetooth is the best Bluetooth vacuum tube preamplifier available in the market today. Free Express Shipping. It can directly replace WE-403A/403B/EF95 and ordinary 5654. I tried with other 6J1 tubes and with a RCA 832 tube, no change. Our Dampers reduce ‘ringing’ in the vacuum tube glass envelope, improving playback. 2mA Transconductance 5. Standouts are, in my opinion 6P5G 6P5GT 2C22/7193 CV1932 But then there are all the following: Buy Best Tube-03 HiFi 6J1 Tube Preamplifier with Bass/Treble: Preamps - Amazon. It uses Chinese 6J1 tubes, which apparently are not of the highest quality. We have handpicked top-selling and the best 6J1 tubes equivalents. Even found a cheap One-For-All remote I could reprogram so it will control the T9 volume and power. Tube rolling choices for these little amps include GE 5654s and 6AK5s. com FREE DELIVERY If your using 6j1's this is the tube for you. Top Pick: P1 Vacuum Tube Preamplifier with Bluetooth Jan 26, 2025 · On the paper it is a far superior tube than the EF804/86 but aside the slightly better noise figure (depends on the manufacture) they are not close to the EF86 soundwise. [/size][size=18. Jan 5, 2018 · Hi all, I need a bit of help to detail the design of small signal pentode stage design. 6922 tubes I have (USA white logo PQ, BEL India 6922) both have more high end but sound a bit small and less "big. com FREE DELIVERY possible on eligible purchases. 24, unloaded. Jan 3, 2025 · The Preamplifier Preamp Tube Board DIY Kit 6J1 Preamp Tube Board Preamplifier Headphone Amplifier is a cost-effective and versatile audio device that can be used with a post-amplifier or an active speaker, or with headphones. Aug 10, 2019 · Tube Amplifier Kit, DIY Tube Preamp Kit, Tube Preamp, DIY Amplifier Kit, 6j1 Vacuum Electron Tube Valve Preamp Tube Amplifie Board Headphone Amp Parts Musical Fidelity Kit DIY Electronic Kits 32 $19. Curious to see how this performs! May 2, 2021 · Hello, Yesterday I finished prototype of 6J1 (cheap Chinese tube) drive using 9V :D It sounds really awesome so I wanted to share it. I now believe that the 6j1 gain stage on my kit is biased in a sub optimal way, and I was about to start drawing a load line on the attached 6ak5w triode curve to check it out (assuming that is close enough to 6J1). Googling seems they are based on Musical Fidelity X10-D The first board amplifies the signal so that it distorts - the workaround is a resistor divider to reduce the input (which is what the volume control on board Jan 27, 2023 · Recently picked up a nice little Fosi headphone amp which uses two Chinese 6A2 tubes. BEST TUBE-03 HiFi 6J1 tube preamplifier with Bass /Treble high quality. The pipes are precisely the right size, and apart from upgrading 6j1, others match 6AK5/ EF95/ CV403A/ CV4010/ 6m1. Because many pre-amplifier tubes are microphonic, we supply Free BS310 Standard heat resistant silicone anti-vibration dampers. Jan 17, 2018 · So far I like early/mid 1960s Amperex HP/Amperex/AMC logo made in Holland tubes- just the basic 6DJ8. 5W). This tube is very high quality and will last for a long time. com FREE DELIVERY possible on eligible purchases High Frequency Pentode - 6J1 Page 1 of 3 High Frequency Pentode - 6J1 Illustration of the 6j1 tube Electrical characteristics Filament voltage 6. 1 socket, 12V AC power adapter is available, you can also use 12V AC transformer, if you use 12V AC transformer, power lines ne Quote from: Marcos - Munky on January 24, 2019, 08:54:05 AM From a quick search, I found the 6J1 is the chinese substitute for the EF95/6AK5. 5 plug Circuit Board Size: 77 x 75mm / 3. Certainly No Leaks or Shorts. 5 Power Interface Plug, Musical Fidelity Tube Amplifier 3. For example, if you need a high-gain tube, you may want to choose the 6J1P-EV or the 6AK5. Oct 7, 2024 · It uses MET series of non-polar capacitor, high-frequency low-resistance electrolytic capacitors, 1% precision metal film resistors, and J-class military regulation tube 6J1. 7 out of 5 stars 7 2 offers from $1552 $ 15 52 The Tube Box S2 is the best tube phono preamp you can buy if you are looking for a good sounding and authentic tube phono preamp that does not cost a fortune. com FREE DELIVERY possible on eligible purchases Aug 14, 2021 · Description: 5654W tubes is a great upgrade for Little Dot and Little Bear amps! This tube is a direct replacement for 7-Pin 6J1 / 6J1P / 6J1P-EB / 6Zh1P-EV / 6AK5 / 6AK5W / EF95 tubes. It has an excellent power supply system that ensures that the four 470UF capacitor filters are clean. headphones with 30-300 ohm are not suitable. Of course, the tube is useless at that point. 🙂 We Offer a Complete 6J1 Tube Equivalent 6J1P-ev Matched Pair Upgrade for the Douk Audio T7 Mini 6J1 RIAA Phono Valve Amplifier. 4mA/V I recently setup a small 2. 39 Best selling products: Best 6j1 Tube In Vintage Tubes & Tubes Sockets. Get the best deals on 6j1 Tube In Vintage Tubes & Tubes Sockets when you shop the largest online selection at eBay. N Apr 25, 2017 · The Voskhod 6J1P-EV/6ZH1P-EV tube is a Russian made HF miniature pentode used in HF voltage amplification. 5MM Headphone / Preamp Output 12V DC|Headphone Amplifier| - AliExpress Sep 8, 2021 · The MT-604 is a balanced hybrid tube amplifier. Jul 31, 2013 · Made in the U. If you want to learn a bit more about tubes before diving into the 6J1, read the introduction to tubes article here. While I always appreciate stuff being sent in to test and review, It never affects the rating of my review. 7 out of 5 stars 7 Aug 31, 2019 · Buy Tube Amplifier Kit, 6J1 Tube Preamplifier Vacuum Tube Amplifier, 2. 0 / Stereo Tube Amp Kit with 5. A. com. 4 out of 5 stars 26 2 offers from $1680 $ 16 80 Dec 28, 2017 · Best tubes in my 6N3 are: Western Electric 396A. I want to find some Dec 9, 2021 · X-10D circuit principle design, and optimize reasonable on it, more stable than the machine performance, the tube to increased by 10%. There are also op-amps included for tone controls. 1 Overview The EF95 family is the most versatile and widely available of the three families of tubes reviewed in this guide. The tube play has increased by 10%. Full fitting instructions included. 75 mA 2nd grid current ≤ 3. I recently received the El Cheapo FX-Audio Tube-01 buffer/preamp, which is working well matching my Rotel SS preamp with a Conn PP tube amp. 5x2. ) Channel Types: 2. 95" Instruction: 1, AC 12V Input: using DC 5. As Lavane said: 5670-Jan are really nice, also GE "5 star" tubes are very nice as well. The problem with removing tubes is that other voltages will also rise and, depending on the circuit and the amount of increase, this may cause problems. com: 6J1P-EV Matched Pair 7-Pin Vacuum Tube = Upgrade for JAN 5654W / CV850 / 6AK5 / 6AK7 / 6J1 / 6J1P / EF95 / 6F32 Soviet Military for Little Dot Amp III IV and Little Bear etc. 1 ±1. Upgrade your audio experience with our Vacuum Tubes 7-Pin 5654W. EASY TO INSTALL - 6J1 tube pre-amp board DIY kits ,Easy to install,Stable performance, Excellent sound effects ; FILTER DIGITAL FLAVOR - Connect the 6J1 tube pre-amp between sound source and amplifier, it will effectively filter digital flavor, the music and human voice will be relatively good. EL34 Mullard. Tube (Dr. 12AX7 GE 7025 label are best and outperform 1950s Mullard long plate. 🎚️6P1P-EV Tube Equivalents: 6AQ5 and 6V6. However if you are experienced, and with the proper tools, it could be replaced (given socket rewiring and maybe some May 24, 2024 · USB DAC&TUBE HEADPHONE AMPLIFIER . Your headphones must have res. Note: Jun 5, 2018 · About this item . May 20, 2019 · Buy AC 12V 6J1 Electronic Tube Bile Preamplifier with Boost Function Electron Valve Pre-amp Tube Stereo Bile Preamplifier Board Buffer Effector DIY Kit, Replace The Tube Type 6AK5, 5654, 6AU6, etc: Preamplifiers - Amazon. 9 out of 5 stars based on 10 Finally I managed to have an hd600 and a tube amp, even though it is not the most expensive amp. I see they have jumped up in price now. Title: 6J1 Author: Shuguang Subject: TCM-FP-2001-02-04 Created Date: 2/4/2001 10:10:44 PM Nov 12, 2018 · Buy DIY Kits 6J1 Tube Preamp Amplifier PreAmplifier Board Pre-amp Headphone Amp 6J1 Valve Preamp Bile Buffer DIY for Amplifier: Amplifiers - Amazon. When I bought mine they were only a couple bucks each. 6J1 is a Chinese tube, whereas 6J1P is a Russian tube. Jan 30, 2021 · A Bluetooth vacuum tube preamplifier will give you a great listening experience. When you plan to enjoy clear output and sound deliverability, 6J1 is a good choice. Tube. If you need a low-noise tube, you may want to choose the 6J1P-EV or the EF95. The pre-amplifier section is made with 6J1 tubes configured in a fully balanced circuit, which means that 4 tubes are running the pre-amp section of the MT-604. Bestselling; Top Rated; 1. Best 6AK5 Tube Substitutes 6J1 as an Equivalent for 6AK5. So let’s dive in for more details! If you want to upgrade a 6J1 tube with something more premium, the most viable option would be the Original USSR 6J1P. The first on our list is the 6J1 tube used in the Ta-02 and Ta-05 amplifiers. Also the 6J1 sounded rather thin compared to the 5654. Brand New, from original factory sealed General Electric cartons. Even better, our 6J1P-ev is the ultimate Upgrade being the ‘Elite’ version. The Sound quanlity really good,Let you enjoy sweet and warm sound . Tube Amplifier Kit, 6J1 Tube Preamplifier Vacuum Tube Amplifier, 2. . Jun 4, 2020 · It came assembled and was supplied with 6J1 tubes. No more microphonics for one. The amplifier section on of the MT-604 on the other hand is made with a discrete solid-state Class A capable of 2W into 32Ω. $69. Every Day new 3D Models from all over the World. May 12, 2021 · The xDuoo is an entry level tube amp coming in at $169 and uses four 6J1 tubes in a “hybrid” tube/solid state design. Jan 16, 2021 · Must buy the Riverstone Audio - Tested/Matched Pair (2 Tubes) 7-Pin GE JAN 5654W Fully-Tested Vacuum Tubes - Upgrade for 6AK5 / 6J1 / 6J1P / EF95 - JAN 5654W Platinum Grade Pair, with this product to get more out of it. 0 / stereo : Circuit Board Size : 77 x 75mm / 3. I made this list of equivalents for the 6J1's that the B-284 and the CD-2 use. 4, Power Switch/Volume Knob: Rotate the knob anticlockwise to turn Jul 29, 2022 · Tube Amplifier Kit, DIY Tube Preamp Kit, Tube Preamp, DIY Amplifier Kit, 6j1 Vacuum Electron Tube Valve Preamp Tube Amplifie Board Headphone Amp Parts Musical Fidelity Kit DIY Electronic Kits 32 $20. Mar 26, 2021 · Buy Docooler 6K4 Preamp Vacuum Tube, for 6AK5/6AK5W/6Zh1P/6J1/6J1P/EF95 Pairing Tube, Amplifier DIY Preamp Vacuum Tube,2PCS: Preamplifiers - Amazon. 50 shipping): Upgraded Tube Amp Released earlier this year, the APPJ PA1501A is the latest tube amplifier from Gemtune. 0B designed for music enthusiasts design and development. These carefully selected tubes can help bring out the best musical fidelity in amplifiers and pre-amps that utilize 6J1, 6AK5, 5654 and EF95 tubes. 03 x 2. Get the best deal for 6j1 tube from the largest online selection at eBay. It arrived as part of the FU-32 SE amplifier kit where it is used strapped as a triode. 4 out of 5 stars 32 10000+ "6j1 tube amp" printable 3D Models. about 1-2 kohm, . 1 socket and AC 12V transformer, you can also use AC 12V transformer without plug, just need to weld the power cord onto the circuit board. After putting 50 hours on a pair of Tung-Sol 6AK5s, here are my observations of that tube vs the stock, Chinese 6J1s in my HiFiMAN EF2A headphone amplifier: 6J1s are a little louder 6AK5s are over all a little more smooth 6J1s have a little higher background noise 6AK5s run physically cooler 6J1s sound a little more dry 6AK5s have better mid-range 6J1s are taller 6AK5s are overall more musical Jan 21, 2016 · Although other 7-pin tubes outside the 5654W / 6AK5 / 6J1 / 6J1P / EF95 / 403B tube family are not equivalent in terms of their electrical characteristics, the hybrid circuits used in certain headphone and turntable preamplifiers sometimes allow 5654W tubes to be used in place of other 7-pin tubes, including Chinese 6J2, 6J4, 6J5 and 6K4 tubes. There are certainly European tube sellers -- Tube Amp Doctor (Tube Amp Doctor Onlineshop ), Dr. THe inputs are rca. Never buy these tubes from an untrusted source. Closely matched pair (2 tubes) of vintage military-grade NOS JAN GE 5654W vacuum tubes. 8A or above Power Interface: 5. Direct replacement for 6AK5, 6AK5W, 5654, 5654W, 6J1 tube. ca. Apr 8, 2016 · APPJ PA1501A Mini Tube Amplifier ($149. Nov 4, 2019 · I have an entry preamp tube FX Audio Tube 03, already upgraded from new/original 6J1 to old 5654 tube, opamp 5532P to LME49860NA, linear PS LT1084CP. Tested and matched Pair tube (2PCS) of low-noise 7-Pin United States GE JAN 5654W are considered one of the best of the 5654 / 6AK5 / EF95 family of tubes for audio use. Vintage tubes can cause serious damage untested. Nov 2, 2022 · Type : 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc. The kit is """6J1 tube preamp amplifier board Pre-amp Headphone amp 6J1 valve preamp bile buffer diy kits + shell""" My "guitar amp" is an ion block rocker Jan 20, 2017 · The 5654 family of pentode tubes (5654W, 5654, 6AK5, 6AK5W, EF95, as well as 6J1 and 6J1P) are characterized by a very close physical spacing between the cathode and grid #1. 95" Instruction: 2, Sound Channel Input: Connected to mobile phone, computer, MP3, MP4 and many other music players. amps Oct 3, 2019 · So those aren't tubes used by guitar amps or most common audio equipment so there might not be as many of them around, or as many sellers of them. Enhanced replacement for 6AK5, 6J1, 6J1P, EF95, and 6k4 tubes. Hi , someone know how is the performance of this cheap preamplifier ? Some time i listened that changing the tubes chinese 6J1 for 6AK5 or 5654 good quality tubes , the sound is good enough. Its a suca audio tube T1 but basically the same. I have never been super impressed by the (tube sound) that these have provided, although they do sound very good. In India at Best Price. S. 0 / stereo Oct 27, 2022 · Tube Amplifier Kit, DIY Tube Preamp Kit, Tube Preamp, DIY Amplifier Kit, 6j1 Vacuum Electron Tube Valve Preamp Tube Amplifie Board Headphone Amp Parts Musical Fidelity Kit DIY Electronic Kits 3. Tube Amplifier Kit, DIY Tube Preamp Kit, Tube Preamp, DIY Amplifier Kit, 6j1 Vacuum Electron Tube Valve Preamp Tube Amplifie Board Headphone Amp Parts Musical Fidelity Kit DIY Electronic Kits 3. of tubes. 6J1 has linear good mode with +B more 100-150V /+U about 250V, after plate resistor on the tube +B will about 100-150V, inner resistance of 6J1 in triode is big and Your headphones must be with res. 39 $ 20 . (all from aliexpress, except 5654 tube from Vietnam). Power Working principle: turn on power supply, tube filament begin heat, then boost from the zero voltage begin to boost, when tube filament hot, the boost is just boost finished, so this is the same with the bile rectification, 4pcs 470UF capacitor filter is Dec 9, 2018 · It looks pretty sick – detachable VU meter, unique casing – and it uses 5654/6J1 tubes like the FX-Audio Tube-03, but they claim that its design will make full use of the tubes. com FREE DELIVERY possible on eligible purchases Jun 2, 2021 · Buy Yaqin MS-77T HiFi Vacuum Tube Push Pull Integrated Amplifier, HiFi Valve Tube Pure Amplifier, Hi-Fi Triod and UL 2 Mode Amp, RCA Jack x4 Input, 40 Watt x2 Output, with 7027B x4, 6J1 x8 Tube: Amplifiers - Amazon. 3V Filament current 170 ±20 mA Anode voltage 120V 2nd grid voltage 120V Cathode grid bias resistance 200Ω Anode current 5. Because of this close spacing, these tubes have a very high sensitivity to thermal drift (related to thermal expansion of internal tube elements). We have a great online selection at the lowest prices with Fast & Free shipping on many items! Apr 28, 2008 · I used to have boxes of these types, but I'm gradually selling them off on ebay since I use DHT small tubes now. This tube has NO known direct replacement: the best replacement is another 6N6 - 6N6P. 5*2. Line out for use as a pre-amplifier; Gain switch for high and low gain settings Jul 7, 2019 · TUBE T2 PRO 6J1 Tube Preamplifier 100W+100W Bluetooth Amplifier . Jan 19, 2021 · The preamp uses the 6J1 tubes, and the amplifier uses 6J1 and 6P1 tubes. The more the product options, the more is the confusion. 8A or Power Interface: 5. If you are unsure what 6j1 tube upgrade would fit your home systems, US GE 5654W is a good choice and has a similar batch of electronic tubes. 87 including the tubes, which I thought was a bargain, so I promptly ordered it and let it sit in my kit drawer. General Electric (GE) 5654/6AK5W Electronic Tube. I have previously discussed the 6J1 tube in my article on Tube rolling the Ta-02 and Ta-05 amplifiers so some of the background material presented here may look familiar to those who have read that previously. I also have an old SET receiver, pulled from an Electrohome console. Aiyima T9 tube amplifier with VU-meter, white Pro-ject Speakers Box 5 and white Rel T/Zero. 5 * 2. Nice touch,All aluminum alloy shell,heavy gold PCB . I already bought other tubes (5654w) and I am waiting arrive to see if i can get a properly tube sound. While my Tube Buffer is in-transit, I have been researching tubes. Help - FX-AUDIO TUBE-01 Best Board Revision? Tube-01 vs Tube-03? veronica77; Mar 30, 2018; Tube Audio; Replies 18 Views 19K. 5654W Vacuum Tubes is very high quality and will last for a long time. De specialist in reparatie en modificatie van buizenversterkers. " More precise and more extended but way less magic. but, very expensive. Oct 18, 2019 · Specifications: Type: 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc. Jul 9, 2022 · The best tubes do not favor one amp over another, every amp had an improvement with the best tube. But if you want a nice full well rounded sound then get the 5654's. First a few notes that apply to all tubes: Jul 22, 2011 · [size=18. Thought I would post it in case someone else would find it useful. Heaters can be supplied by 7806 or by simple 100ohm resistor (min 0. | Browse our daily deals for even more savings! | Free shipping on many items! Apr 24, 2020 · 2 PCS 7-pin Jan 5654W Vacuum Tubes . Free shipping. about 2-3 times more inner res. Pro-Ject Tube Box S; Best Tube Preamp for Headphones: Little Dot MK2; Best Budget Tube Preamp: SUCA-AUDIO Tube-T1; Best Tube Preamp for Audiophiles: YAQIN MC-13S; Best DIY Tube Preamp Kit: AOSHIKE 6J1; Over to You 【Tube + Transistor Hybrid Amplifier】MT-604 adopts four 6J1 tubes for pre-amp and transistors for class A buffer. USB support up to PCM32bit/384KHz and DSD256 ; Adopt double 6J1 tube for pre-amp, making voice sweet and exquisite ; Adopt transistors for class A buffer, strong output power(1300mW) can easily drive many kinds of earphones. Dec 23, 2023 · Specifications: Type: 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc. Best for using to replace the original vacuum tubes used in the Fosi Audio P1, P2, T20, BOX X2, BOX X3, and BOX X4. May 11, 2021 · Tube Amplifier ：Adopt four 6J1 tubes for pre amp, making voice sweet and exquisite. The presence of two cathode pins suggests that the design was originally intended for RF use and as a near equivalent is the EF95 this is indeed the case. ) Channel Types : 2. Military Grade, Audio Amplifier Tube. 1 socket and AC 12V transformer, you can also use AC 12V transformer without plug, just need to weld the power cord onto the circuit Dec 11, 2019 · Hi tube pros, toob noob here. 148mW seems to be a low number, but it's about half as Mar 28, 2019 · Sound quality did not improved. 3, Sound Channel Output: Connected to the audio signal input of power amplifier. Many of which have been discussed or at least mentioned on the original thread listed above. 29 Oct 21, 2024 · Buy 2 Pack 6K4 Tube Valve Vacuum Tube, 7-Pin Tested/Matched Vacuum Tubes Substitute For 5654/6AK5/6AK5W/6Zh1P/6J1/6J1P And Replace WE-403A/403B/EF95 Preamplifier Dec 23, 2023 · Tube Amplifier Kit, 6J1 Tube Preamplifier Vacuum Tube Amplifier, 2. 35+3. May 20, 2019 · 6J1 Vacuum Electron Tube Valve Preamp Amplifier Musical Fidelity Kit . 29 $ 19 . DIY 6J1 2 Tube Headphone Amplifier Kit Preamp Tube Board Preamplifier Post amplifier with 3. The 5654W tubes are widely used with the increasing popularity of tube-based audio amplifiers and tube-based headphones. Connect the 6J1 tube pre-amp between sound source and amplifier, it will effectively filter digital flavor, the music and human voice will be relatively good. Transistor for Class-A amplifier： Adopt transistors for class A buffer, output power up to 2000mW, can easily drive many kind headphones. I have merlin blencoes books,also Richard Kuehnel' offerings,which are excellent,however,sometimes only raw numerical data is available and without mutal transfer curve info for Vg2 x -Vg1 at fixed Va for Ia the process cannot be done using the afore mentioned authors methods,two tubes i want to use for now Jan 5, 2020 · Amazon. Get the best deals on 6j1 tube when you shop the largest online selection at eBay. Can’t find a good 6J1 tube equivalent? Well, you have come to the right place. 🙄 Thanks a lot indeed. Much better bottom end with the 6554 for one. 99 + $9. Jan 16, 2021 · Buy Linsoul Xduoo MT-604 Tube + Transistor Hybrid Headphone Amplifier Pre-Amplifier with Four 6J1 Balanced Tubes, Independent L&R Volume Control on Amazon. Reflector 6DJ8/ECC88 Vintage Tube. Dec 11, 2021 · To mention a few: AIYIMA Tube T6, AIYIMA Tube T2 6J1 Tube Preamplifier, Nobsound HiFi 6J2 Vacuum Tube Preamplifier, Fosi Audio Bluetooth Tube Amplifier Receiver Mini Stereo Audio Headphone Amp and the list goes on. 6j1 is a pentode which is triode connected in this case; Chinese datasheet does not give numbers for trioded mu and rp but curves for triode connection; from these a rough estimate gives mu of 30 and rp of 5kohm. Superior upgrade for 6J1 tube based amplifiers and preamplifiers. When a tube loses its vacuum, the getter turns white and will start flaking off the glass. Input and output adopt gold-plated RCA lotus seat . #2. 09. AC 12V input:Using DC5. The best version is the Philips-Valvo made 5654 an 10oooh version that is pretty interesting for DIY pencil mic projects. The GE5654 was a big improvement over the 6J1 for me. 4. Radio tubes are valves. Can connected to MP3, computer CD, DVD, mobile phone, etc . A small tube at a small price with a big Jan 15, 2025 · Best China Tube Amplifiers: Link to Buy: Oldchen 300B Tube Amplifier: On AliExpress: AIYIMA 6J1 Tube Amplifier: On AliExpress: ByJoTeCH A20 KT88 Tube Amplifier: On AliExpress: Reisong A10 EL34 Hi-Fi Audio Stereo Tube Amplifier: On Aliexpress: Neoteck Bluetooth 4. I have a cheap tube buffer using 6J1 tubes (one per channel). Once again Xduoo makes a excellent product. Specifications: Type: 6J1 tube (substitution model 6AK5, 6AU6, 5654 etc. These vintage US manufactured GE tubes are Mil. But i wonder if a better tube can really improve the sound leaving all other buffer parts unchanged. 85-2. 2 Stereo Audio Amplifier Receiver with 6J4 Vacuum Tubes: On Aliexpress Tube Amplifier Kit, DIY Tube Preamp Kit, Tube Preamp, DIY Amplifier Kit, 6j1 Vacuum Electron Tube Valve Preamp Tube Amplifie Board Headphone Amp Parts Musical Fidelity Kit DIY Electronic Kits 3. Is a good option for limited budget ? Santiago The 6J1 is a Chinese amplifier pentode. The comprehensive list will help you get the one that meets your requirement. Spec. Jan 2, 2025 · The Best Tube Preamp. I would like to try something better than the stock anonymous tubes. Connect this 6J1 tube pre-amplifier between sound source and and it can effectively filter digital flavor. Based on the PA0901A with a host of upgrades, it features two 6AD10 tubes in a Class A configuration for improved noise performance, frequency response, and power output. I am quite liking what i am hearing. Some of the block Jan 30, 2020 · One uses the 6j1 tube the other uses 6k4. Above all, they Fully Bench tested. Tube 6J1 or Röhre 6J1 ID46547, Vacuum Pentode, Miniatur-7-Pin-Base B7G, USA 1940 and RF/IF-Stage shown. Some of these tubes may shock you as best, but myself and others agree. It adopts a classic collocation of 6J1 electron tube, which provides warm, mellow, sweet, and transparent sound. The whole kit cost just AU$8. Jan 5, 2021 · I just ordered a tube preamp kit from aliexpress,, you can find them on ebay as well. Thanks to Apos Audio for hooking me up with a loaner unit to review. I recommend beginning users to start tube rolling within this family because it has the most variety of manufacturers and models to choose from, and gives you the most sound for your money (particularly starting wit It is an excellent upgrade for audio devices that use 6J1 tubes. 1 tube means that it's essentially 2 tubes in 1 with the required internals to do 2 channels This amp here has 4 because it's 'true balanced' meaning for each stereo channel there's a positive & negative channel. The tube was originally developed by Western electric for early radar systems and was used extensively in IF amplifiers during WW2 through the 1950s. Some of the block below is included in the intro article, but it bears repeating. The front tube amplifier and rear transistor combine the advantages of two amplifier circuits to achieve the ideal sound effect and make you immersed in the happy atmosphere of music. However, there are certain things to consider when selecting the 6J1 tube equivalent,… Continue reading → May 3, 2022 · 6J1의 유럽 이름인 6AK5(=EF95) 특히, mullard의 소리야 말로 최고라는 사람도 있지만 대부분 비싸고 수명 문제를 거론하는 사람이 많아서, 일반적으로 6J1은 미국 GE의 군용관인 JAN 5654W 가 가성비로 가장 선호된다. We subject these tubes to multiple test cycles and plate voltages to determine stability. Picking a perfect replacement 6J1 tube from the market is quite tricky because of the many options. I recently bought a small single ended headphone amp that came with 6j1's. 1 tube amplifier system with optical out from a Philips Android TV as source, in a living room (not mine). 0 / stereo Voltage & Current: AC12V 0. I've also rolled in Soviet 6J1Ps with nice results. Mar 10, 2010 · Find some other references for your tubes here! [size=medium]Some known problematic tubes to replace:[/size] 6N6 (chinese), 6N6P (russian). The getter ring originally acted as a reservoir for the getter material. Find many great new & used options and get the best deals for FX Audio Tube-01 6j1 Tube Buffer HIFI Preamplifier (black) at the best online prices at eBay! Free shipping for many products! Jul 13, 2023 · About this item . A brief history of the 6J1: While known as the 6J1 in China and Russia, in the west this tube is more commonly known as the 6AK5 or 5654, and also as the EF95 in Europe. FE-6J1-2. 7 Days Replacement & 100% Original Product At The Audio Store 1U 5654 6J1 Apr 16, 2019 · Tube Preamplifier 6J1. We Offer a Complete 6J1 Tube Equivalent 6J1P-ev Matched Pair Upgrade for the Douk Audio T7 Mini 6J1 RIAA Phono Valve Amplifier. Anyway, the birthday purchase: Matched pairs of GE JAN 5654W to replace the 6J1, and a matched pair of 6P1P-EB Russian to replace the 6P1. High load capacity, and high operating frequency. Free shipping on many items | Browse your favorite brands | affordable prices. (JAN) Electron Tubes - Higher Durability and Life. These GE are the short plate version. Because our Premium 6J1 Tube Equivalent Vacuum Tubes are long life USSR military 6J1P-ev valves, they are a superb NOS Soviet direct Upgrade. com FREE DELIVERY possible on eligible purchases Apr 20, 2019 · Buy Tube Headphone Amplifier Kit, 6J1 Vacuum Electron Tube Valve Preamp Amplifier Board Headphone Amp Parts Musical Fidelity Kit: Amplifiers - Amazon. But these 6J5 types remain one of the great bargains in audio. Sep 23, 2021 · Stock Tube For XDuoo MT-602 & XDuoo MT-604. This tube is a direct replacement for EF95, 6AK5, 6AK7, 6F32, and 6J1. 95 Instruction: 1, AC 12V Input: using DC 5. Brand New · Unbranded. Mar 16, 2021 · Electronic Amplifier, 6J1 Tube Valve Amplifier Tube Amplifier 6J1 Vacuum Electron Tube Valve Preamp Amplifier Board Amplifier Electronic Diy Kit 6J1 Tube Preamp 3. So gain is approx. Runner-Up: Vincent PHO 701 Aug 7, 2020 · A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a . 0pt]EF95 FAMILY[/size] 3. Listening on 177X GO by Drop, with the Monolith THX Desktop Amp as my DAC/Preamp. May 18, 2020 · DO NOT SUBSTITUTE FOR ANY OTHER TYPE OF 7-pin tube. com FREE DELIVERY possible on eligible purchases Dec 3, 2017 · where mu and rp are properties of the tube, Rp is the external plate R, Rk the cathode R. For replacing 7-pin 6AK5/6AK5W/6Zh1P/6J1/6J1P tubes. Sep 22, 2020 · Best to measure and make sure the voltage is still within spec. com FREE SHIPPING on qualified orders Jan 10, 2022 · Feature： These vintage, 1980s - military specification - The valves are a perfect upgrade, 5654W Vacuum Tubes is a great upgrade for Little Dot and Little Bear amps! This tube is a direct replacement for 7-Pin 6J1 / 6J1P / 6J1P-EB / 6Zh1P-EV / 6AK5 / 6AK5W / EF95 tubes. What Tubes Are Equivalents of 5654? Mar 24, 2019 · But a few years later, I spotted the DIY More kit which seemed to do the same thing, sold on eBay as a 6J1 tube-based pre-amp kit, a clone of the “fever” design which is very popular. It's for stereos, not guitars. After an upgrade, you can experience deep low frequency without giving up elasticity and excellent low and high-frequency extension. Click to find the best Results for 6j1 tube amp Models for your 3D Printer. The headphone amplification is done via NE5532P, the tubes are supplied with 100vdc via a DC-DC booster and the input supply is 12vdc. With the original tubes of the Xduoo mt-602 (6j1) the differences for the Fiio k5 Pro (left in the photo) are not very pronounced. R7 can be replaced by potentiometer (10K) to This tube corresponds in particular to those integrated on some FX-Audio products: FX-AUDIO TUBE-P1 Amplificateur à Tubes avec Entrée Phono MM 6J1 + 6P1 Stéréo; FX-AUDIO TUBE-01 Préamplificateur à Tube 6J1 Stéréo Noir; FX-AUDIO TUBE-01 Préamplificateur à Tube 6J1 Stéréo Argent; FX-AUDIO TUBE-03 Préamplificateur à Tubes 6J1 2020 tube rolling samples comparison between stock 6k4 and GE jan 5654 tubes in the fx-audio tube-03Chapters:0:00 Intro0:39 Setup levels1:26 A/B tube compari Feb 3, 2016 · I've got two different 6J1 tube buffers off ebay that I am looking to fit inside CD players and would like to have circuit diagram. When choosing an equivalent for the 6J1P-EV, it is important to consider the specific requirements of your application. 4 out of 5 stars May 30, 2020 · The tube may still work just fine but the getter's ability to absorb more gas has pretty much been depleted at that point. The 5654 is a huge improvement! If you like the sound that comes from a cheap transistor radio then keep the 6j1's. Most of these little buggers other than the Jan's are rather expensive. 5 Power Interface Plug, Musical Fidelity Tube Amplifier: Amplifiers - Amazon. 0pt]3. This tube has the "OTK" Russian military stamp which ensures that this tube is very high quality and will last for a long time. I found a youtube video on a amp using this tube and the guy stated that, with B+ at 120V, the output power is around 148mW and the current is around 10mA (so this can be powered by that 555 SMPS). 6J1 is a widely used amplifier pentode. yqg yauvufn qlmt cfyu jabqg vfvvyl dta sygk dvdwmduv xqde casqmw refe jpepo oviqa lyliq