Audio 6J1 Valve Tube Preamplifier HiFi Buffer Preamp Assembled Board AC 12V - intl + Follow
THÔNG TIN CHI TIẾT
- Good power supply system will not have a hum
- 6J1 Tube Buffer 0.85 times magnification
- AC 12V input
- The left-channel input / right channel input: audio signal input
- The left channel output / right channel output
Description:
Power works: an open power tube filament heating is started, when the boost from the zero-voltage start boosting hot filament tube, etc., also happens to boost boosting finish, so this is the same with the guts rectification, 8pcs 470UF the capacitor filter very clean, good power supply system will not have a hum, the filament is 12V DC power supply, need two filament tube is connected in series with a DC filament also in order to reduce the noise.
6J1 Tube Buffer 0.85 times magnification, connected between the source and before or after class, can effectively filter digital flavor.
AC 12V input: The DC3.5 / 5.5 * 2.1 socket, 12V AC power adapter, if you use non-plug AC 12V transformer, power cord need to solder on the circuit board.
the left-channel input / right channel input: audio signal input, can be connected to mobile phones, computers, M3, the MP4, and other music players.
the left channel output / right channel output: an audio signal output terminal can be connected to the audio signal input amplifier, power amplifier board.
the power switch / volume knob: turn the knob counter-clockwise to decrease the volume beginning, when the volume down to the minimum, if it continues to rotate until the "ticking" sound, then the power off, the light goes off; in the closed state, Turn the knob clockwise to hear "tick" sound, light is on, the power is turned on, then the volume is minimal, then continue clockwise rotation is to increase the volume.
Specification:
Channel Type: 2.0 / stereo
Power input: AC12V 1A /5.5*2.5 plug
Knob functions: power switch / volume control
Dimension: 3.0x2.9x2.0 inch/77x75x52mm
Specifications:
Good power supply system will not have a hum
6J1 Tube Buffer 0.85 times magnification
AC 12V input
The left-channel input / right channel input: audio signal input
The left channel output / right channel output
Package Included:
1 x Tube Preamp Amplifier Board
Notes:
You can not use a DC power input, otherwise it does not work!
Due to the difference between different monitors, the pictures may not reflect the actual color of the item.
Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.
Please leaving a message before you give the bad feedback, if the products have some problems.
Thanks for your understandings
- Brand SIFREE
- SKU SI853ELAAGG9QWVNAMZ-34204616
- Model DA66914
- Warranty Type No Warranty
What’s in the box
- 1 x Tube Preamp Amplifier Board
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