733 reviews analysed
1. Nobsound NS-02E Vacuum Tube Headphone Amplifier Stereo HiFi Earphone Pre-Amp DIY (Black)
Feature
- The Nobsound NS-02E can provide soft and warm sound while maintaining its exceptional clarity.
- The default tube is 6N3, which can be easily replaced with 6A8Q, 2C51, 5670, 5185, 6385, 6185, WE396, ECC 42, 6H3N, 6H3II, ECF82, 6CC42.
- The Nobsound NS-02E can be paired with your preamp, smart phone, computer, iPod, stereo system, and other audio device as well as your favorite headphones.
- The Nobsound NS-02E can also be used as a tube pre-amplifier.
- The affordable price makes both Hi-Fi freshmen and Hi-Fi veterans can enjoy it.
2. Little Bear B4-X Portable Dual-Mono Vacuum Tube Headphone Amplifier; Mini Balanced Audio Headphone Amp B4 Upgrade Version
Feature
- The difference between B4 and B4-X: ① B4-X is a dual-mono balanced version. Its left and right channel are amplified by independent components, and power supply, tubes, and op amp are all independent and symmetric. So the degree of sound separation is higher than B4.
- ② B4-X adopts 2 groups of independent power supply(+12V and -12V) for 2 op amps, less mutual effects and can drive 300Ω headphones. ③ The circuit adopts dual op amp parallel output, with higher output power. ④ B4-X has 3.5mm and 2.5mm 2 kinds of output interface, suitable for most of balanced and standard headphones.
- Mini size and unique design: built-in tube makes you have a tube amplifier which can be held by one hand, convenient to carry and can enjoy HiFi music everywhere. Full, delicate and soft sound: warmer than transistors, independent op amp and power supply inhance the SNR and degree of separation, less interplay and higher sound quality.
- With built-in battery protection circuit: battery lets your listening feast without time limitation. It can’t be turned on during charging and will power off automatically after fully charged, and charger LED will turn to green.
- High-end making material and craft: using gold-plated socket, original nichicon electrolytic capacitor, original DALE resistors and precision ring resistance. Prompt and courteous customer service.
3. Headphone Amplifier Vacuum Tube Preamplifier Mini Hi-Fi Stereo Audio with Low Ground Noise Output Protection for Headphones Fosi Audio P2
Feature
- ????❤Excellent sound performance: Low ground noise, built-in output protect circuit, no buzzing or ringing noise, Audiophile-level sound quality, exclusively designed for the customers who pursue HiFi sound
- and safe for your expensive headphones
- ????❤Stereo and Preamplify: Headphones amp also can be used as stereo preamp, Parallel 3.5mm and RCA stereo inputs, 6.35mm headphone output, include a 6.35mm to 3.5mm adapter
- ????❤High-performance: P2 is a Hi-Fi tube headphone amp, 2 X 6K4 J-Grade tubes can easily power high-performance headphones including the HD580, HD600, HD650, K701, K702, Q701, and many more, recommend 32-600ohm headphones
- ????❤Easy replace tube: Tubes can be replaced by 6j1/6J4/GE5654/6AK5/6*1n/ E180F/6ж9П/EF861/6688 tubes etc
- ????❤Exquisite appearance: Small Compact Size, All aluminum alloy shell and come with a 18-month manufacturer’s warranty.
4. Sabaj PHA3 Vacuum Tube Headphone Amplifier 2X6J9 Low Ground Noise Integrated Stereo Amp Audio HiFi Output Protection for Headphone
Feature
- Using military grade tube 2*6J9-J for pre amplifier
- replaceable design,can be change the tube for E180F, 6ж9П, EF861, and 6688 for different sound style.
- Large current headphone driver parallel NJM4556*2,it gets much bigger driving current.
- Low Ground Noise: There’s no buzzing or ringing when you use our amp! We feature a high-grade microprocessor that controls the relay while its being switched on and off, achieving a low-ground noise power circuit.
- Aluminum CNC housing with stylish design,high quality components and using relay to mute audio.
- Semi-Set Tube Design: As a safety measure, the high temperature portion of the tube is strategically placed inside of the amp and out of reach.(Please plug the power supply after all the connection been done for safety)
5. Dayton Audio HTA20BT Hybrid Stereo Tube Amplifier with Bluetooth 4.2 USB Aux in Headphone Sub Out
6. T20 Bluetooth Tube Amplifier Stereo Receiver 2 Channel Class D Digital Mini Hi-Fi Power Amp Preamp Compact Integrated Headphone Amplifier for Home Passive Speakers with 6J4 Vacuum tubes + Power Supply
Feature
- CSR64215 Bluetooth 4.2 core support aptX low latency, Streaming range up to 39ft(12m), With Bluetooth and AUX selector, no pop when Bluetooth connecting
- 50W RMS X 2(4 ohms, 20 Hz – 20 kHz, 0.04% THD), built-in speakers protection circuit, best for outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers, can use iPod, Phone, MP3 players, TV, Echo Dot, CD players, or Streaming Media players as input
- Adopt 2 x 6J4 tubes to get clear audio sound, tubes can be replaced by 6K4, 6J1, GE5654, 6AK5, 6ж1П, 6BC5, 403A/B, EF40, EF95 and so on, with headphone output for 16-64ohm headphones.
- Small simple compact design but practical and powerful, Hi-Fi Bluetooth amplifier receiver exclusively designed for the customers who pursue HiFi sound
- Power amp + Preamp + Headphone amp, perfectly suited for your desktop or a smaller space in your home or office, digital amplifier is easy to connect to your audio system with no software to install or settings to change
7. Shuguang Brand 6N8P Military J Level Vacuum Tube VaIve Instead of 6H8C ECC32 CV181 6SN7 B65 Made in 1960s for HiFi Hi-end Amplifier Audio Senior Player Headphone Pro-amp Fever Acoustic DIY Lab 1pc
Feature
- Produced in China, in the 60s, 70s,Made by an old National Brand:Shuguang
- From the military, military quality
- The bulk of the inventory comes from the army
- Provide Pair Match and every Tube Tested
- The packing box is very old,In fact,our all tubes are brand new, but it just old and it’s worth collecting
- Can be used as 6H8C /ECC32 /CV181/ 6SN7/ B65 substitute(For detail please see datasheet )
- High quality military supply
- Strict professional testing to ensure the best for you
- Specially safe packaging for tubes to ensure your transportation safety
- Rapid delivery
- Excellent after-sales service and technical support.
8. Little Dot MK2 MKII 6J1 X 2 6N6 X 2 Tube Standard Hybrid Headphone Headphone Amp Pre-Amp Tube Amplifier (MKII)
Feature
- Little Dot MKII greatly increases sound quality, dynamic range, output impedance, and harmonic distortion
- Little Dot MKII also gains the driver tube-rolling options from the rest of the MK-series with the ability to roll 6JI, WE403A/B, GE5654, M8100, CV4010, EF95, etc at its factory jumper setting, and with jumper pins shorted, EF92, CV131, and all equivalents and drop-in replacements
9. Beijing 6N2 Military J Level Electronic Vacuum Tube VaIve Instead of 6H2N 6CC41 6N1 5670 12AX7 for HiFi Hi-end Amplifier Audio Senior Player Headphone Pro-amp Fever Acoustic DIY Lab 4pcs
Feature
- Low cost , Good sound model, produced in China, in the 80s,Made by an old National Brand:Beijing
- Military quality
- The bulk of the inventory comes from the army
- Provide Pair Match and every Tube Tested
- The packing box is very old,In fact,our all tubes are brand new, but it just old and it’s worth collecting
- Can be used as 12AX7 6H2N 6CC41 6N1 5670 substitute(For detail please see datasheet )
- High quality military supply
- Strict professional testing to ensure the best for you
- Specially safe packaging for tubes to ensure your transportation safety
- Rapid delivery
- Excellent after-sales service and technical support.
Description
The sound signature is very close to 12AX7, just need change the valtage of heater to be 6.3V can replace with 12ax7
This product is produced from a long history of electronic tube manufacturers:Beijing , this is an early product, own good voice,
can instead of(replace for) 12AX7 6H2N 6CC41 6N1 5670
the spot from the military quality products.
The suffix letter “Q” stands for high reliability,is the highest quality;“T” stands for special military grade and is used for special military equipment ; “J” stands for general military grade and is used for general. military and civilian equipment; “M”stands for civil use.
* Here is the price for 4 tubes
If can help you more about this item please just feel free tell us.
Thank you very much! Have a nice fever!
Conclusion
By our suggestions above, we hope that you can found Diy Vacuum Tube Headphone Amp for you.Please don’t forget to share your experience by comment in this post. Thank you!