AC 12V 6J1 Valve Pre amp Tube PreAmplifier Board Headphone Amplifier Buffer in Amplifier from Consumer Electronics

AC 12V 6J1 Valve Pre amp Tube PreAmplifier Board Headphone Amplifier Buffer in Amplifier from Consumer Electronics
AC 12V 6J1 Valve Pre amp Tube PreAmplifier Board Headphone Amplifier Buffer in Amplifier from Consumer Electronics
AC 12V 6J1 Valve Pre amp Tube PreAmplifier Board Headphone Amplifier Buffer in Amplifier from Consumer Electronics
AC 12V 6J1 Valve Pre amp Tube PreAmplifier Board Headphone Amplifier Buffer in Amplifier from Consumer Electronics
AC 12V 6J1 Valve Pre amp Tube PreAmplifier Board Headphone Amplifier Buffer in Amplifier from Consumer Electronics
AC 12V 6J1 Valve Pre amp Tube PreAmplifier Board Headphone Amplifier Buffer in Amplifier from Consumer Electronics

Product Specification

Brand Name: ZGPAX

Maximum Power Per Channel: NO POWER

Model Number: AS SHOWN

Package: Yes

Description:
This tube preamp is a circuit schematic design fake name X10-D fax machine music, to be rational optimization, more stable performance than the original machine, tube play a ten percent increase.
This machine uses a single 12V AC input, the circuit processing provides 6J1 tube needed positive and negative voltage and filament power supply voltage.
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, 8 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.
Channel Type: 2.0 / stereo
Power input: AC12V1A /5.5*2.5 plug
Weight: 82 grams
Knob functions: power switch / volume control
Dimension: width 77 x depth 75 x height 52MM/3.03 x 2.95 x 2.05 inch
AC 12V input:
Use DC5.5 * 2.1 socket, the available 12V AC power adapter, 12V AC transformer can also be used, if you use 12V AC transformer, power lines need to be soldered to a circuit board. Remember: You can not use a DC power input, otherwise it does not work!
the left-channel input / Right channel input:
Audio signal input, can be connected to mobile phones, computers, M3, MP4, and other music players.
the left channel output / right channel output:
The audio signal output terminal can be connected to the audio signal input terminal amplifier, power amplifier boards, to provide post-amp guts flavor music enjoyment!
the power switch / volume knob
The knob counterclockwise to decrease the volume beginning, when the volume down to the minimum, if it continues to rotate until the "tick" sound, then the power off, the light goes off.
In the closed state, the knob is rotated clockwise, hear the "tick" sound, indicator lights, indicating that the power is turned on, then the volume is minimal, then continue clockwise rotation is to increase the volume.
material:plastic,metal
colour:green
Packing :1x Tube Preamp Amplifier Board
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.



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