Note:
[ Finished Board ]: It has been assembled and tested OK.
[ DIY KIT ]: DIY kit, you need to weld, assemble, and test.
The 4PCS vacuum tube is not included. You need to buy it separately.
Product Details:
Refer to the American CARY-AE1 circuit. The sound bottom of this circuit is obviously different from the traditional Marantz 7, McIntosh C22, etc. It has the characteristics of fast speed, large dynamics, medium frequency density and charming charm.
Use the AC lighting method to power the filament, one-point grounding, reasonable layout and wiring, to minimize the mutual interference of the electron tubes, and no noise at the bottom.
This version of the high-voltage power supply uses a voltage regulator circuit, which is adjusted by the Toshiba K2700 FET.
Use BC high voltage filter capacitors
Use Chemical high voltage decoupling capacitors
Use Famous brand copper foot metal film resistors (BC, Dale, Futaba, etc.)
Use Gold plated electronic tube holders
Use FR SCR and IT ERO coupling capacitors
Specifications:
Input voltage requirements:
High voltage: 200~220VAC input, current is not less than 30MA
Filament: 3.15~0~3.15VAC input, no less than 3A
Need to use electron tube: 6SN7 * 4 (or 6N8P)
PCB size: 155*177MM
This board with 30 seconds delay on output. can Avoid howling when power on.
P.s. We have matching power transformer. If you need it, please contact us. Thank you!!!
