950 reviews analysed
Rank
Product Name
Score
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. Nobsound NS-10P Mini Vacuum Tube Preamp Audio Hi-Fi Stereo Pre-Amplifier Treble & Bass Control
Feature
- 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
3. P1 Bluetooth 5.0 Vacuum Tube Preamplifier Hi-Fi Valve Headphone Amplifier Wireless Receiver Audio Decoder Preamp USB DAC APTX
Feature
- 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.
4. Nobsound Magic Eye 6E2 EM87 Tube Preamp; Audio Level Indicator; VU Meter; Music Spectrum; Vacuum Tube + Driver Board + Case
Feature
- Functions: Magic Eye can be used as an audio level indicator or a VU meter. You can see the tube light dancing with your audio signal. You can use it seperately or combine it with your devices, which is very useful and beautiful.
- Advantages: ① The circuit of Magic Eye has been redesigned overall. Compared with similar products, it has much less heating, very lower power consumption and smaller size.
- ② It adopts SMT technology, which decrease the height of all circuit components. Optimized layout makes its wiring is more simple. ③ It has bulit-in secondary signal amplification with higher sensitivity. Its amplitude can also be adjusted on the board.
- ④ It has bulit-in voltage boost circuit and can be driven by DC 5V~7V (USB 5V is also supported). Unlick other similar porducts needs 250V transformer. Please do not touch the board while working.
- There is an audio signal cable in the package. You can solder it to your audio devices. If you don’t want to solder it, you can just wiring its signal cable to your speaker / amplifier’s terminals.
5. Riverstone Audio – Tested/Matched Pair (2 Tubes) 7-Pin GE JAN 5654W Fully-Tested Vacuum Tubes – Upgrade for 6AK5 / 6J1 / 6J1P / EF95 – GE 5654W Platinum Grade Pair
Feature
- **IMPORTANT** AMPLIFIER DAMAGE CAN OCCUR IF YOU SUBSTITUTE THE WRONG TYPE OF TUBE. 5654W tubes should only be used to replace 7-Pin 6J1, 6J1P / 6J1P-EB / 6Zh1P-EV, 6AK5, 6AK5W and EF95 tubes. DO NOT SUBSTITUTE FOR ANY OTHER TYPE OF 7-pin tube.
- TESTED and MATCHED Pair (2 tubes) of low-noise 7-Pin NIB/NOS GE JAN 5654W Vacuum Tubes. Considered one of the best of the 5654 / 6AK5 / EF95 family of tubes for audio use. These vintage US manufactured GE tubes are Mil. Spec. (JAN) Electron Tubes – Higher Durability and Life. These NOS tubes were obtained from factory-sealed military surplus boxes. ***NOTE: All vacuum tubes sold by Riverstone Audio will have the “Riverstone Audio” name, logo and QC label on the boxes***
- BUY WITH CONFIDENCE – All vacuum tubes sold by Riverstone Audio are backed by our no-nonsense 2-YEAR warranty. THE BEST WARRANTY AVAILABLE in the audio tube business. We have been testing and using vacuum tubes for many years and know what it takes to select tubes for low-noise audio applications.
- RIVERSTONE AUDIO utilizes the best available equipment (Amplitrex AT1000) to test and match audio tubes. We do not sell untested tubes – never have and never will. Only the best NOS tubes are selected for Riverstone’s Platinum tested/matched pairs.
- TEST RESULTS are clearly listed on each tube box. Our experienced engineers match vacuum tubes for BOTH plate current and mutual conductance. All tubes we sell must also pass a specialized life test and an audio sound test. We guarantee that the GE 5654W tubes selected for these matched pairs test at NOS levels at or above 4800 micro-mho and a plate current of 7.2 mA or higher. ***Vacuum tubes sold by Riverstone Audio will have the “Riverstone Audio” name, logo and QC label on the boxes***
6. 6J1 Vacuum Electron Tube Valve Preamp Amplifier Board Headphone Amp Parts Preamplifier Musical Fidelity Kit AC12V 0.8A
Feature
- ★ 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
7. Rockville BluTube 70W Tube Amplifier/Home Theater Stereo Receiver with Bluetooth
Feature
- 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″.
8. 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
Feature
- 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
9. Nobsound 6P1 6.8W x 2 Vacuum Tube Power Amplifier; Stereo Class A Single-Ended Audio Amp Handcrafted
Feature
- This Class A single-ended vacuum tube amplifier adopts hand welding to ensure the true reality of the sound quality (with headphone amp function ASIN: B076CC92BX).
- This amplifier adopts transformer parallel output to reduce its internal resistance by half and achieve doubled improvement on its power.
- Using antimagnetic transformer covers to shield current interference and achieve much lower static noise.
- Its sound output is full of analog style. The bass part is deep and powerful and the vocal part is sweet and intoxicating.
- It has a classic and graceful appearance. The VU meters and vacuum tubes makes it more elegant and attractive.
Conclusion
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!
