Hero image 0 of AC 12V 1A 6J1 Value Preamp Tube Preamp Amplifier Board PreAmplifier Headphone DIY Kits, 0 of 6
AC 12V 1A 6J1 Value Preamp Tube Preamp Amplifier Board PreAmplifier Headphone DIY Kits
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Key item features
- 6J1 Tube Buffer 0.85 times magnification, connected between and before or after class, can effectively filter digital flavor.
- FE-6J1-2 fever tube pre-amp board is the circuit schematic design imitation crew Music fax X-10D,to be rational optimization,more stable performance than the machine,tube play 10% increase. This board uses a single 12V AC input,the circuit processing provides 6J1 tube needed positive and negative voltage and filament power supply voltage.
- the left-channel input / right channel input: audio signal input, can be connected to mobile phones, computers, M3, the MP4, and other music players.
- AC 12V input: The DC3.5 / 5.5 x 2.1 socket, 12V AC power adapter, if you use non-plug AC 12V transformer, power cord need to solder on the circuit board. Remember: You can not use a DC power input, otherwise it does not work!
- Power works: an open power tube filament heating is started,when the boost from the zero-voltage boosting hot filament tube,etc.,also happens to boost boosting finish,so this is the same with the rectification,8*470UF the capacitor filter very clean,good power supply system not have a ,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.
Specs
- BrandUnbranded
- Preamplifier typePreamplifier
- Speaker config.2.0
- Inputs/OutputsRCA
- Input/output directionInput
- Sound technologyStereo
Current price is USD$12.70
Price when purchased online
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About this item
Product details
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.
Type: 6j1 tube
Power input : AC 12V 1A, 5.5x2.5 plug
Channel :2.0 / stereo
Potentiometer Role: Volume adjustment + Power Switch
Size: 77 x 75 x 52mm
Colour:As shown
Material:PC+Metal
Package Contents:
1 x 6J1 preamp amplifier board diy kits
Only the above package content, other products are not included.
Note: Light 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.
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.
Type: 6j1 tube
Power input : AC 12V 1A, 5.5x2.5 plug
Channel :2.0 / stereo
Potentiometer Role: Volume adjustment + Power Switch
Size: 77 x 75 x 52mm
Colour:As shown
Material:PC+Metal
Package Contents:
1 x 6J1 preamp amplifier board diy kits
Only the above package content, other products are not included.
Note: Light 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.
- 6J1 Tube Buffer 0.85 times magnification, connected between and before or after class, can effectively filter digital flavor.
- FE-6J1-2 fever tube pre-amp board is the circuit schematic design imitation crew Music fax X-10D,to be rational optimization,more stable performance than the machine,tube play 10% increase. This board uses a single 12V AC input,the circuit processing provides 6J1 tube needed positive and negative voltage and filament power supply voltage.
- the left-channel input / right channel input: audio signal input, can be connected to mobile phones, computers, M3, the MP4, and other music players.
- AC 12V input: The DC3.5 / 5.5 x 2.1 socket, 12V AC power adapter, if you use non-plug AC 12V transformer, power cord need to solder on the circuit board. Remember: You can not use a DC power input, otherwise it does not work!
- Power works: an open power tube filament heating is started,when the boost from the zero-voltage boosting hot filament tube,etc.,also happens to boost boosting finish,so this is the same with the rectification,8*470UF the capacitor filter very clean,good power supply system not have a ,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.
info:
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Specifications
Brand
Unbranded
Preamplifier type
Preamplifier
Speaker config.
2.0
Inputs/Outputs
RCA
Warranty
Warranty information
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