544 reviews analysed
1. 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″.
2. Nobsound 6P1 6.8W x 2 Vacuum Tube Power Amplifier; Stereo Class A Single-Ended Audio Amp Handcrafted
- 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.
3. Nobsound NS-08E Vacuum Tube Headphone Amplifier Hi-Fi Valve Headphone Amp Stereo Audio Preamplifier
- NS-08E is a Hi-Fi tube headphone amp. It can offer >
- =1100mW at 32Ω and can drive 18~600 ohm headphones & headsets.
- New version adopts 6J3 vacuum & valve tube, which has warmer tube sound and more replaceable tubes.
- Upgrade circuit can ensure lower background noise, more powerful bass and more brilliant treble.
- It can also be used as a stereo preamplifier for other amplifiers and active speakers. For better preamp function, we recommend NS-10P (ASIN: B07719G56B).
- CNC Aluminum shell with super mini size. Very solid workmanship. Prompt and courteous customer service.18-month warranty and life technical support. For any questions, please contact us on Amazon.
4. 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.
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
- 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. 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
8. Sabaj PHA3 Vacuum Tube Headphone Amplifier 2X6J9 Low Ground Noise Integrated Stereo Amp Audio HiFi Output Protection for Headphone
- 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)
9. 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.
By our suggestions above, we hope that you can found Vacuum Amplifier for you.Please don’t forget to share your experience by comment in this post. Thank you!