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Hifi Tube Preamplifier(no tube) + Power supply for M7 preamp
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Feature:
Our assembled power supply board comes with a KIT with the ASIN#B078K9DTQF. The design incorporates dual independent channels, ensuring complete separation between the physical left and right channels with independent grounding.
The preamp board works with a voltage of +DC280V (above 10ma) for 2 groups and +DC12.6V (above 0.8A). The power supply board accepts input voltages of 0-AC220V for 2 channels (200V-240V is acceptable) and 0-AC12V for 1 channel (12-15V is acceptable).
The preamp PCB has a size of 154771.6MM, while the PSU PCB measures 130701.6MM. It is equipped with Taiwan metal film resistors with 1% accuracy, MKP coupling capacitors, and ceramic tube sockets. The board is compatible with 3 pieces of 12AX7 or similar tubes (12AXX series). Additionally, if you wish to use 6.3V filament voltage tubes such as 6N11/6N2, the power supply board can be adjusted to lower the voltage to 6.3V, and input voltages of 6V-9V are acceptable.
The package includes 1pc PRT-07A Hifi Tube preamplifier (tube not included) along with the power supply board based on the M7 preamp design.
product information:
| Attribute | Value |
|---|---|
| item_model_number | PRT-01A-KIT |
| best_sellers_rank | #1,135,639 in Electronics (See Top 100 in Electronics) #497 in Audio Component Preamplifiers |
| is_discontinued_by_manufacturer | No |
| date_first_available | January 11, 2015 |
| output_wattage | 1 Watts |
| voltage | 9 Volts, 12.6 Volts |
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