799 reviews analysed
1. Nobsound NS-02E Vacuum Tube Headphone Amplifier Stereo HiFi Earphone Pre-Amp DIY (Black)
- 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. P1 Bluetooth 5.0 Vacuum Tube Preamplifier Hi-Fi Valve Headphone Amplifier Wireless Receiver Audio Decoder Preamp USB DAC APTX
- P1 is a Bluetooth vacuum & valve tube preamplifier and headphone amplifier. Headphone output is 160mW @32Ω and is suitable for 32~300Ω headphones and headsets.
- Classic 6J5 vacuum & valve tube can provide warm retro tube sound. It can be replaced by US RCA / 6AH6, Russian 6C2C and so on.
- It supports Bluetooth/USB/RCA inputs from various devices like iPod, Phone, MP3, TV, Blu-ray players, Echo Dot, CD players, computer etc.
- Bluetooth 5.0 supports APT-X, APT-X LL lossless transmission. PC-USB supports 24bit 192KHz and is compatible with Windows/Mac/Linux system
- Treble & bass control can achieve different sound style. Bypass function can suspend the tone control circuit to achieve purer music experience.
3. 6J1 Vacuum Electron Tube Valve Preamp Amplifier Board Headphone Amp Parts Preamplifier Musical Fidelity Kit AC12V 0.8A
- ★ 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
- ★ Eight 470UF capacitor filter is very clean, excellent power system lead to no hum, filaments are powered with DC 12V and need to be connected in series in order to reduce noise
- ★ Coupling capacitor is electrodeless electrolytic capacitor with high frequency and low resistance
- ★ Using DC 5.5*2.1 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
- ★ This kit comes in parts so you can assemble them together by yourself, enjoy the process of building your own tube amplifier
4. Neoteck Bluetooth 4.2 Stereo Audio Amplifier Receiver with 6J4 Vacuum Tubes Certified aptX Low Latency, 2 Channel Mini Hi-Fi Class D Integrated Amp for Home Passive Speakers 50W + 50W
- Home Hi-Fi integrated amplifier, 50W RMSx2 (4 ohms, 20 Hz – 20 kHz, 0.04% THD), Adopt Texas Instruments TPA3116D2 chip, exclusively designed for the customers who pursue HiFi sound
- Bluetooth Receiver, range: about 40 ft– Adopt CSR64215 Bluetooth 4.2 core Supports the aptX Low Latency codec to virtually eliminate audio-visual lag making an ideal choice for watching TV/ movies. For best results, use with aptX Low Latency supporting speakers
- Adopt 2pcs 6J4 tubes, It could make sound soft, thick, sweet and transparent, tubes can be replaced by 6K4, 6J1, GE5654, 6AK5, 6ж1П, 6BC5, 403A/B, EF40, EF95 and so on
- Advanced circuitry design, built-in speakers protection circuit, solid aluminum chassis for long time use, small size, good looks, simple functionality, and excellent sound quality
- 【Power amp + Headphone amp】 Power amplifier is easy to connect to your audio system with no software to install or settings to change. Headphone amp supports most headphones of high impedance 16-300Ω, Perfectly suited for your High impedance headphone
5. Nobsound NS-10P Mini Vacuum Tube Preamp Audio Hi-Fi Stereo Pre-Amplifier Treble & Bass Control
- Notice: ① Preamplifier needs to work with amplifiers or active devices
- ② Not PHONO preamp and can’t be used for record players
- Excellent sound performance
- No background noise
- Warm and soft tube sound
- Sound quality enhancement
- Pure tube preamplifier
- Suitable for all amplifiers and music types
- With independent treble, bass and volume control
- Vacuum tubes can be replaced by various models
- Mini size and exquisite appearance
- CNC aluminum shell and front panel
- Blue tube light
- Mellow and solid touch feeling
6. Rockville BluTube 70W Tube Amplifier/Home Theater Stereo Receiver with Bluetooth
- Rockville BluTube Bluetooth tube 70 watt amplifier/home theater stereo receiver
- Rockville BluTube audiophile grade tube amplifier with Bluetooth. 25 watts x 2 RMS @ 8 ohm. 35 Watts x 2 RMS @ 4 ohm. Tube Amps do not hard-clip even at high volumes and are extremely efficient. Due to this the amp sounds more like double the rated power!.
- Built in Bluetooth with 33 foot range. Built-in preamplifier. (2) sets of RCA inputs to connect to any audio device like a TV, laptop, or MP3 player, etc.
- Headphone output. Vu meter. Adjustable bass and treble (2 band equalizer). USB input for music files from USB thumb drive. Usb can charge your phone or other USB device. Rear speaker terminals: banana Plug/ binding post outputs for 2 speakers.
- Frequency response (3dB): 25hz-20khz. Input impedance: 47Ko. Input sensitivity: 300mV. Output Impendence: 4-8ohm. Total harmonic distortion): =0.02%. Signal-to-Noise ratio(s/n): =86dB. Bluetooth: 2.1+Edr. Usb: Supports WAV/MP3/WMA/APE/FLAC. 110V/220V switchable. Unit weight: 6.6 lbs. Unit dimension: 10.6″X10.2″X5.1″.
7. Dayton Audio HTA20BT Hybrid Stereo Tube Amplifier with Bluetooth 4.2 USB Aux in Headphone Sub Out
8. ReisongA10 EL34 Hi-Fi Audio Stereo Tube Amplifier Single-end Class – A Amp
- With an English Operation Manual，If you need a circuit diagram, please contact us by email, thank you!
- Manual welding, preferred audiophiles, the output transformer switch to the higher end of the 76 * 40 output transformer.
- When low-frequency dynamic playback is good, control and strong, it is more powerful.
- Tube: EL34 × 2，6N2J × 2，5Z4PJ × 1
- Warm reminder: You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it’s best and stable sound.So during the first 100h use time the sound maybe is not the best,you can also use your own run-in method.
9. 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
- 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
By our suggestions above, we hope that you can found Diy Vacuum Tube Amplifier for you.Please don’t forget to share your experience by comment in this post. Thank you!