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Assembled hifi Stereo preamplifier board base on naim NAC152 preamp L5-45
Item ID:ZJ-0665
List Price:US$49.50
Price:US$42.00
Payment Terms
paypal
Shipping
ship to world wide
Availability
in stock
Description
Product Q & A
Review
Note: This is a assembeld board
Works voltage: 2 X DC24V ( 2 groups independent DC24V)
also can use same one group DC24V.
PCB Size:176mmx113mm
Circuit Description: This board circuit source to the NAIM flagship pre-NAC152, the line is exactly the same as the original machine; time aligned filter -> volume -> gain board; 729 time circuit with 2 buffers;
Core components: Transistor 2N5087/2N5089 (same as the original machine);
Input switch: With three-way source switching, using high reliability OMRON relay;
Output amplifier stage circuit: The board magnification = 1 + R14 / R9 = 1 +12 / 1 = 13 times, to reduce the magnification, reduce R14 value.
Package include: Assembeld preamp board X 1
Input choose switch X 1
Connect cable X 1
Note: the default price is not include the volume Potentiometer. (recommend 20K)
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