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Hifi KRELL ksa5 Class A Full DC Headphone Amp Kit
Item ID：190610-2
List Price：US$80.00
Price：US$60.00
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Note: The default is a kit. all the parts need yourself to solder it. if you need assembeld board, price need extra 3USD
welcome combine shipping for Multiple purchases!!!
The input adopts the gold FET 2N556X 2-level differential circuit and adopts the servo midpoint. Therefore, the circuit has very good stability, and the debugging is also very simple. Just adjust the 4.7 ohm resistance of the output tube to 100 MV. After booting for a while, The current will rise slightly and still
Because the original 6 pairs of MJE15034, 35 gold FET 2N556X are very expensive tubes, plus more than 20 pairs of paired BC556, 546 and heavy-duty regulated power supply, the kit is very expensive. The kit does not include the headset socket. volume pot.
PCB size: 185X188mm using transformer Dual AC18 to AC25V
The kit is actually available with a brown US DALE resistor. The main capacitor is NOVER 6800UF-AUDIO 35V main filter capacitor. US BI adjustable resistor. Decouple is 12 Philips 1000UF capacitor (or chemical)
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