Bluetooth 5.0 Vacuum Tube Preamplifier with Bass Mid Treble Control R3705
Bluetooth 5.0 Vacuum Tube Preamplifier with Bass Mid Treble Control R3705
RF Remote Control: Come with RF remote control that make it more convenient to use. You can use the numeric keys to choose the music and adjust the volume by the vol- or vol+ button. Rf remote control makes it more convenient to play your music.
As a Standalone Headphone Amplifier: Support 100mW @32Ω headphone output. It is suitable for 16~64Ω headphones and headsets with 3.5mm jacket. With Treble, Mid and Bass knob, Tube-M1 preamp & tube headphone amplifier provide you more selection to enjoy your music, support MP3/WMA/APE/FLAC/WAV format files.
Vacuum Tube Pluggable Design: Adopting vacuum tubes design to filter out the digital sounds of common sound sources, making the sound warm and sweet. Default 6K4 tubes, and can be directly replaced by 6J1/6J4/GE5654/6AK5/6*1n to enjoy HiFi sound of different styles.
T1 Texas Instruments dual op amp NE5532P: The two amp parts and the two pre-stage parts use Texas Instruments' NE5532P dual-op amp. The machine has a sports IC seat, which is convenient to directly replace and upgrade the op amp, which brings more DIY fun to the enthusiasts
Warm tips:
1. Tube-M1 is a tube preamp but NOT A PHONO PREAMP.
2. This preamplifier needs to work with amplifiers or active speakers, cannot drive passive speakers or used with turntables directly.
3. In RCA input mode, the previous / next song function is invalid.
4. The USB interface only supports U-disk and USB 2.0 thumb drive, not support PC-USB.
5.The RCA and 3.5mm headphone jack can output at the same time.
6. Mode1，Mode2 and Mode3 buttons are invalid buttons with this remote.
7. The remote control is come with a CR2025 battery, once it is run out of the power, you can get it with a replacement with the same model.
Features
1.Bluetooth vacuum & valve tube preamplifier and headphone amplifier.
2.Headphone output is 100mW @32Ω and is suitable for 16~64Ω headphones and headsets
3.With remote control, more convenient and easy to control the preamp even not beside the machine .
4.Bluetooth, USB(means U-Disk and USB 2.0 thumb drive, NOT PC-USB), TF Card and RCA input. 5.Add Treble,Mid and Bass Control, much funny with different combination function.
6.Replaceable Vacuum Tubes, can use 6K4/6J1/6J2/6J4/GE5654/6AK5 vacuum tubes, etc
Parameters
Audio input: Bluetooth/Stereo RCA/U-disk/TF Card
Audio output: Stereo RCA / 3.5mm headphone jack
Supported formats of U-disk and TF Card: MP3 / WMA / APE / FLAC / WAV
Max storage of U-disk: 32G
Max storage of TF card: 32G
Vacuum Tubes: 6K4*2
Frequency Response: ±3dB (20Hz-20KHz)
Treble/Mid/Bass range: ±6dB
Input sensitivity: 0.775V
THD: 0.05%
SNR: ≥110dB
Headphone Output Power: 100mW/32Ω
Matched headphone impedance: 16-64Ω
Working voltage: DC 12V
Dimensions(W*D*H): 128*118*36mm / 5.04*4.64*1.41in
Net weight: 410g / 0.93lb
Package weight: 700g / 1.54lb
Package Include
1 x M1 Preamp
2 x 6K4 Tube
1 x DC12V Power Adaptor
1 x Remote
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