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1. Douk Audio T3 PRO MM Phono Stage Preamp Mini Stereo Vacuum Tube Preamplifier
- 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.
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.
Audio input: MM phono / 3.5mm AUX
Audio output: stereo RCA
Output level: 600mV (3mV 1KHz)
Frequency response: RIAA standard
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
2. 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
- ❤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.
3. Phono Preamp for Turntable, SUCA-AUDIO 6J2 Vacuum Tubes MM RIAA Phonograph Stage Preamplifier Mini Hi-Fi Stereo Preamp for LP Vinyl Recorder Player Turntable Home Audio with 12V Power Supply
- ???? UPGRADE PHONO PREAMP FOR TURNTABLE – Both MM Input and AUX input are supported. It means that you can connect a MM turntable or CD, Smartphone, PC, MP3 player and etc as input devices. Also, If you connect both MM input and AUX input at the simultaneously, it will output the AUX signal with priority.
- ???? SOUND GAIN ADJUSTABLE – One knob easy control. The gain adjustment knob is combinate with On and Off function. OFF/39dB/42dB/45dB selectable, different output gain is convenient to match different audio signals better, offer you a great listening experience.
- ???? REPLACEMENT VACUUM TUBES – Come with 2PCS 6J2 vacuum tubes, provides high fidelity warm, dynamic and soft sound beyond your expectation, bringing extremely high quality listening experience. Tubes can be replaced by 6K4 / 6J1 / 6J4 / GE5654 / 6AK5 / 6*1n), you can enjoy different sound feeling with different vacuum tubes.
- ???? PROVIDE HIGH QUALITY SOUND – Metal aluminum case and compact size allows it set up near by your vinyl recorder player without any inconvenience. Adopt with accurate stable integrated circuit and high quality components to remove low frequency noise ensure clear sound quality, definitely work good for your phono turntable or any other sound source audio devices.
- ???? Package include 1 x MM phono tubes preamp, 2 x 6j2 tubes, 1 x RCA cable, 1 x DC 12V Power Adapter and 1 x User Manual. LYCHEE LIMITED provide 12 month warranty, 3 month no ask full money refund or replacement service. If there a problem, please feel free to contact with us first, we will help to solve your problem.
1.This is only a preamp, which needs to be used with amplifiers or active speakers.
2.Tubes are not support hot-swappable, please don’t replace the tubes while the machine is powered on.
3.Please see the user manual first before using, most problems you can find the answer in the user manual.
1.SUCA AUDIO Phono BOX P4 can be use as a Phono preamp as well as a Tube Preamp, 2 in 1 function.( AUX input is with priority).
2.Front AUX Input can connect with mobile phone/ CD / Tablet / PC while the back MM input can connect with MM turntable.
3.39dB/42dB/45dB gain adjustable, convenient to match better with different audio signals.
4.Provide Warmth, Dynamic,Sweet tube coloration feeling with 2 6J2 tubes, tubes can be replaced for different sound feeling.
5.NO hum or buzzing, because of the optimal integrated circuit design and high quality power adapter.
Chip: OP Amp: TL071+JRC2068D
Audio input: MM phono / 3.5mm AUX
Audio output: stereo RCA
Electrical Level Output: 600mV @3mV 1KHz
Working Voltage: DC12V
Frequency Response: Meet standard RIAA
Product Weight: 0.3kG
How to Use PHONO BOX P4
1.Turn the knob on OFF state.
2.Install the tube into the base of the tube according to the direction (the tube is not divided left or right, check whether the pin is deformed before installing the tube, and the deformation can be corrected by hand).
3.Connect the sound source(AUX in or MM in) with cables.
4.Connect the external equipment to the audio source output interface.
5.Connect the DC 12V power supply.
6.Rotate the switch to select the desired gear.
1 * MM PHONO Preamp
2 * 6J2 Vacuum Tubes
1 * RCA Cable
1 * Power Adapter
1 * User Manual
4. 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)
- ????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.
5. Nobsound Little Bear T11 6N2/12AX7 Vacuum&Valve Tube Phono Turntable Preamplifier; MM RIAA LP Vinyl Record Player Preamp; Stereo HiFi Audio Pre-Amplifier
- Little Bear T11 is a pure tube phono preamplifier working with MM cartridge turntables only. Please make sure your turntable is equipped with a PHONO signal output instead of a LINE output.
- Little Bear T11 is based on T10 with improvement. Compared to T10, T11 has lower background noise at normal volume. Its sound performance is better with increased liveness.
- Adopting a conventional active RIAA equalization phono stage circuit. There is 3 metal covers and 4 acrylic covers for those tubes. And you will be able to choose which type as you like.
- Supporting 6N2/12AX7 tubes, which offers many replaceable tubes for you like 6H2,6H2n (For 6N2 type) and 12AX7B,6N4(9PIN),ECC83,5751 (For 12AX7 type).
- On the bottom of the description, there is a few Q&A for buyers who might meet the humming problem. If you encounter a similar issue, please check those tips, which have covered most of conditions.
6. Little Bear T7 Vacumn Tube Mini Phono Stage RIAA MM Turntable Preamp & HiFi Tube Pre-Amplifier (Black)
- This product can be used as a MM Turntable Preamp or a HiFi Tube Pre-Amplifier and can provide high fidelity and warm sound beyond your expectation.
- Please do not connect T7 to any inferior Bluetooth digital amplifiers except Class T digital amplifiers, since all Class D amplifiers have very loud background noise.
- Its tube(6J1) can be directly replaced with tubes like 5654, 6AK5, EF95 .etc
- Its mini size makes it more portable and be suited for a variety of scenarios and Its alluminum body makes it strong and elegant.
- Upgrades of the new version: ① The gain switch is moved from inside to outside. Customers can adjust its gain more conveniently
- ② The circuit is optimized and the noise is lower.
As a phono preamp, it is suited for MM turntables only. Do not support MC turntables.
As an AUX preamp, it is suited for devices like CD, DAC, PC, cellphone.
Please note as a phono preamp, it can only work with MM turntables. Please note your turntable should have no built-in phono preamp. If it has, please make sure there is a PHONO OUT/LINE OUT switch and you should put it on PHONO OUT position.
We do not recommend using it with class D amplifiers since most class D amplifiers have much noise.
1. RIAA phono part:
RIAA freq response 20hz-20kHz +/- 0.5dB, S / N ratio> 85dB
THD <0.05%, input="" sensitivity="" 3.0mv,="" gain="">0.05%,>
Nominal / max output 300mV / 1.8V
Output impedance 200 ohms, input 47k ohm / 220 pF
2. AUX part:
Input voltage: AC12 ~ 18V
Frequency response: 20 HZ – 20 KHZ
Input sensitivity 300 mv
SNR: 96 db
Total harmonic distortion <3% (1="" khz)="">3%>
Power range output: 0.2 W
Output impedance: 100K
Input impedance: 50K
0.24Kg (0.55Kg with package)
1 x preamplifier
1 x power supply
2 x 6J1 tubes
It will be better if its GND jack can be really connected to the ground, which can decrease the background noise to a very low level.
For MM turntables, please check whether your MM cartridge is the old version. If so. we suggest you to upgrade it as a new version one will bring much better sound.
Please keep T7 away from devices that can transfer signal like cellphones and routers.
7. Pro-Ject Tube Box S Phono PreAmplifier, Silver
Pro-Ject’s Tube Box S phono preamplifier with a tube output stage offers unrivalled performance and unique flexibility at an incredibly affordable price. It’s one of the most economical ways to enjoy the lush sound of vacuum tube phono gear that we know of, and the ultra-compact size means that the Tube Box S can fit almost anywhere. The sonic quality of Tube Box S is extremely impressive, offering a big improvement over Pro-Ject’s great sounding Phono Box S. It makes a big improvement over the built-in phono stage on many amps and receivers and offers a perfect upgrade for most analog hi-fi systems.
8. 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
9. AIYIMA Audio 6J1 Tube Preamplifier Bluetooth 5.0 HiFi Treble & Bass Adjustment Audio Preamplifier DC12V Amplifier Preamp NE5532P Chips for Home Theater System(Black+BT 5.0)
- Using classical tube 6j1 design and optimize the route,Bluetooth 5.0 Tube preamp((Note:Cannot be used on a record player and phonographs))
- Tube can be replaced design,soft voice.Adopt the Dual run amplifier chip NE5532P power conversion module.
- The power circuit is completely separate from the audio circuit ,in order to Minimize interference
- AUX / Bluetooth Audio input, DC12V/1A power supply(Can’t beyond 12V,Otherwise it will burn out the diode,When you use it in the car, Pls pay attention to that connect use it after your finished ignition .Because when the car starts to fire, the power will reach 13.5V). All aluminum alloy shell,heavy gold PCB,Control ways:Potentiometer knob and Toggle the switch
- The product is a preamplifier. It is not audio amplifier. It needs to be connected to an active speaker and a rear amplifier
By our suggestions above, we hope that you can found Vacuum Tube Phono Stage for you.Please don’t forget to share your experience by comment in this post. Thank you!