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ROKOO Aoshike 6J1 Valve Tube Preamp Bile Buffer DIY Kit Pre-amp Amplifier Board Headphone Amp Preamplifier

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Product ID: 50963508
Brand:
rokoo
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About the item

  • Size: 77 x 75 x 52 m. Sound channel type: 2.0 / stereoInput power: AC AC12V, 0.8A, /5.5 x 2.5 socketFunction of the controller: power switch / volume adjustment..
  • AC 12V Input: Need to use the 12V AC adapter. If you use an AC 12V transformer without plug, you need to weld the connection line to the board. Remember: You can not use the DC power input, otherwise it does not work!.
  • L / R channel input: Audio signal input, can be connected to phone, computer, M3, MP4 and other music players..
  • L / R channel output: Audio signal output, can be connected to the amplifier audio signal input, amplifier board, provide full music enjoyment for the post-amplifier!.
  • FE-6J1-2 pre-amper fever tube board is the schematic design circuit of the crew Fax Music X-10D, to be rational optimization, a more stable performance than the original machine, the play tube 10percent increase. This board uses a single 12V AC input, the circuit process provides the necessary tube 6J1 positive and negative voltage and voltage of the filament power supply..
Product description:An open heating of the filament of the energy tube is started, when the rise of the beginning of the zero-voltage raising the hot tube of the filament, etc., also happens to the higher that raises the end, so this is the same with the guts rectification.8 * 470UF the filter of the condenser very clean, the system of the power supply will not have a buzz, the filament is DC power supply, need two filament tube is connected in series with a DC filament also to reduce noise.The power button/volume button:Turn the knob counterclockwise to begin to reduce the volume, when the volume is minimized, if you continue to spin until the sound "tick", then the power is off, the light goes off; closed state, turn the knob clockwise, hear the "click", the indicator light is on, the power is on, the volume is the smallest and then continue clockwise to increase the volume.This tube preamplifier is a schematic design circuit fake name X10-D music fax machine, to be rational optimization, more stable performance than the original machine, the tube play an increase in the a of the ten percent.This machine uses a single input of 12V AC, the circuit process provides the necessary tube 6J1 positive and negative voltage and voltage of the filament power supply.Notice: Due to the various monitor and light effect, the actual color maybe a different from the color of the picture.Please allow 0.2-0.3cm differs due to manual measurement. Includes:1 x 6J1 Pre-Amplifier Stereo Tube Valve PreAmplifier Board DIY Kits
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