
985 reviews analysed
1. Tung-Sol 12AX7 Preamp Vacuum Tube, Single
2. 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.
3. Fosi Audio Phono Preamp for Turntable Preamplifier MM Phonograph Preamplifier with Gain Gear Mini Stereo Audio Hi-Fi Pre-Amplifier for Record Player with DC 12V Power Supply Box X2
Feature
- ❤Tube MM Phono Preamplifier: Converts phono signals to Line Level Signals with low-noise integrated circuits and high-quality components to remove low-frequency noise ensure clear sound quality. Designed with grounding post to protect your turntable.
- ❤Three switchable gain modes: 39, 42, 45 dB. Adjustable gain levels to give you customizable control and outstanding compatibility. Entry-Level high-end analog sound and top-notch circuitry for an unbeatable low cost.
- ❤Tube Preamplifier: It’s also a tube preamp with 3.5mm AUX Input. Designed and assembled by Fosi Audio from high-quality components. Great warm, smooth-sounding.
- ❤Applicable vacuum tube model: 6K4/6J1/6J4/GE5654/6AK5/66*In vacuum tubes, etc. You can replace the vacuum tubes to DIY your stereo system. Different tube with different sound.
- ❤What You Get: Box X2 phono preamp x1, Vacuum tubes x2, RCA cable x1, power adaptor x1, user manual x1, 18-Month global warranty, and 24-Hour quick customer service.
4. Nobsound HiFi 6J1 Vacuum Tube Preamplifier Stereo PreAmp Digital Treble&Bass Tone Control (Silver)
Feature
- Notice: ① Preamplifier needs to work with amplifiers or active devices; ② Not PHONO preamp and can’t be used for record players
- Audio signal input end can connect to the computer, CD, phone and other player for lossless audio
- The output end can connect to the digital amplifiers, active multimedia audio devices.
- With treble and bass adjustment function; No background noise
- Gold-plated for input and output terminals; 6J2 valve tube; Black version ASIN: B01NBM7K8L
Description
Troubleshooting:
- Please note that this product is a preamplifier. It is not an amplifier and needs to be connected with an amplifier or active audio devices. Also, it is not a phono preamp and can’t work with a turntable.
- For noise issue:
- There is a large probability that the low-quality audio cable causes the static noise.
- Please make sure the sound source is fine since tube amplifiers will amplify all sound including the noise.
- Please check whether the tubes are plugged well on the tube sockets or not.
- Devices like routers, mobile phones will also interfere in the audio signal and may cause static noise.
- If your problem can’t be solved, please feel free to contact us. We will be very glad to help you and try our best to make you satisfied.
Specifications:
- Audio input: RCA input * 1 group
- Audio output: RCA output * 1 group
- Power DC input: 12V input
- Aluminum shell, CNC processing
- Laser carving characters
- Color: Black / Silver
- Size (W*H*D): 100*70*150 mm / 3.94*2.76*5.91 in
- Weight: 0.5 Kg / 1.1 lb
Package Includes:
- 1 * Digital Audio Preamp
- 1 * 12V Power Supply
5. FX AUDIO Home Audio GE5654 Tube Preamp—Sound Quality Upgrade Electronic Hi-Fi Stereo Vacuum Tube Preamplifier with Bass & Treble Control DC12V Power Supply for Home Audio Player (Black)
Feature
- ♪ HIGH QUALITY MATERIALS—The chassis of the preamplifier is made of a solid aluminum alloy material, and uses accurate and stable integrated circuits and high-quality components to eliminate low-frequency noise and ensure clear sound quality
- The material of its PCB board is made of FR-4 insulation board and black immersion gold Craft, which has the characteristics of stable signal, high temperature resistance, long service life, and not easy to be oxidized.
- ♪ EXQUISITE APPEARANCE DESIGN—FX AUDIO pre-amplifier has a mini exquisite appearance and light weight, easy to carry around, its brushed texture surface and high-quality tube combine to appear more fashionable,elegant and Classical.
- ♪ SEPARATE CONTROL OF BASS&TREBLE—The vacuum tube preamplifier can independently adjust the bass and the specific proportion components in high-frequency sound to perfectly achieve HiFi effects. At the same time it can maximize the rendering of an atmosphere like being in a music performance to satisfy your experience of different sound styles in pursuit sound quality.
- ♪ RCA INPUT & OUTPUT—From RCA output ,the preamp can also be directly connected to the audio source and active multimedia audio equipment or indirectly connected to passive audio through the power amplifier(The item includes RCA cable).
- ♪ NOTE—The item just is a tube preamp, not a power amplifier or phono amplifier. Because it is a household circuit design, the home theater tube preamp can not be used in cars, turntables or passive speakers, nor can it directly work for headphones, speakers and can not be used as a phono amplifier.(Only suitable with 12V power cord).Package Include: 1 x tube preamp, 2 x 5654 tubes,1 x power supply, 1 x RCA cable,1 x user manual, 1 x security card/1 year warranty
6. Douk Audio T3 PRO MM Phono Stage Preamp Mini Stereo Vacuum Tube Preamplifier
Feature
- With MM signal input and 3.5mm AUX input(with priority), can be used as a MM phono preamp and a tube preamp, compatible with many audio devices such as MM record player, phone,TV, MP3 players, CD players, DAC, computers etc. to satisfy different demands.
- Reasonable curcuit layout and concise wiring to ensure HiFi clear sound with low noise, adopting 2PCS 6J2 vacuum tubes(can be replaced by 6K4 / 6J1 / 6J4 / GE5654 / 6AK5 / 6*1n) to make sound warm, dynamic and sweet, bringing extremely high-quality listening experience.
- With gain adjustment switch(OFF-39dB-42dB-45dB), convenient to match better with different audio signals, the front panel are machined with wire drawing and frosted technology, looks more fashionable and distinctive.
- Mini size with exquisite appearance, aluminum alloy chassis with better shielding performance and gold-plated terminals with lossless transmission, perfectly suitable for MM record players and other audio sources.
- Notice: this is only a preamp, which needs to be used with amplifiers or active speakers.
Description
Features:
With MM signal input and 3.5mm AUX input(with priority), can be used as a MM phono preamp and a tube preamp, compatible with many audio devices such as MM record player, phone,TV, MP3 players, CD players, DAC, computers etc. to satisfy different demands.
Reasonable curcuit layout and concise wiring to ensure HiFi clear sound with low noise, adopting 2PCS 6J2 vacuum tubes(can be replaced by 6K4 / 6J1 / 6J4 / GE5654 / 6AK5 / 6*1n) to make sound warm, dynamic and sweet, bringing extremely high-quality listening experience.
With gain adjustment switch(OFF-39dB-42dB-45dB), convenient to match better with different audio signals, the front panel are machined with wire drawing and frosted technology, looks more fashionable and distinctive.
Mini size with exquisite appearance, aluminum alloy chassis with better shielding performance and gold-plated terminals with lossless transmission, perfectly suitable for MM record players and other audio sources.
Parameters:
Audio input: MM phono / 3.5mm AUX
Audio output: stereo RCA
Output level: 600mV (3mV 1KHz)
SNR: ≥98dB
Frequency response: RIAA standard
THD: 0.1%
Working voltage: DC12V
Dimensions(L*W*H): 117*95*30mm / 4.61*3.74*1.18 in
Net weight: 310g / 0.68lb
Package weight: 520g / 1.15lb
Packing List:
1*Tube Preamp
1*Power Supply
1*RCA Cable
1*Manual
7. JJ 12AX7 / ECC83 Preamp Vacuum Tubes (Three Pack)
8. Fosi Audio P1 Tube Pre-Amplifier Mini Hi-Fi Stereo Buffer Preamp 6K4 Valve & Vacuum Pre-amp with Treble & Bass Tone Control for Home Theater System
Feature
- 🍎 NOTE: This is a preamplifier, not a power amplifier or phono preamp, can’t be used for turntables or passive speakers.
- RCA input to the computer, CD, phone, iPod and other player and RCA output to the digital amplifiers, active multimedia audio devices for lossless audio(The RCA cables not included).
- Small compact design, with optimal integrated circuit to get powerful, dynamic and sweet sound. Tubes can be replaced by 6K4,6AK5,EF95, 5654,403B tubes.
- This pre-amp improves everything detail, transparency, immediacy, richness, tone associated with your music.
- Built-in Switch impact protection circuit and overheat protection circuit, long life span of this unit. All aluminum alloy shell and come with a 18-month manufacturer’s warranty.
9. Vacuum Tube Shield Aluminum Alloy 9G-55 Shield Caps For 9 Pin 12AX7 12AU7 12AT7 Tubes, Silver
10. SUCA-AUDIO Tube-T1 Preamplifier, Vacuum Tube Amplifier Buffer Mini Hi-Fi Stereo Preamp with Treble & Bass Tone Control for Home Audio Player (6K4 Tubes)
Feature
- ????TUBE PREAMP – The main purpose of this machine is to act as a “buffer” but not a power amplifier. It is NOT a phono preamp for turntable and need to connect to an amplifier or active speaker.
- ????SWEET TUBE SOUND – Vacuum tube preamp will give you a different acoustic enjoyment with dynamic, sweet tube sound enjoyment. You can feel improve of sound quality in your home theater, HIFI system and any streaming media.
- ????TUBES REPLACEABLE – The 3D sound quality of a good tube implementation is simply divine! Tubes detachable design, you can swaps the tube to tweaking the sound, 6j1,6j2,6J4,GE5654,6AK5 and 6*1n tubes are fit for this preamp.
- ???? NO NOISY NO BUZZING – The power and audio circuits are completely separated to minimize the interference. Specially design adapter for Tube-T1 preamp with low ripple factor, will not cause a hum when using.
- ???? WORTH PLAYING – Features in volume, treble and bass control knobs for more delicate adjustment of the sound, much fun and high playability with this function, the best choice for either beginner or audiophile.
Conclusion
By our suggestions above, we hope that you can found Preamp Vacuum Tube for you.Please don’t forget to share your experience by comment in this post. Thank you!