Free Power Supply PCB For JLH Amplifier

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$0.010

Quick Overview

Free power supply pcb for JLH class A amplifier.
Including all capacitors and resistors.
Transistors are not included.


Note: Only one type of free stuff for each order.

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Free Power Supply PCB For JLH Amplifier

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$0.010

Description

As we know the JLH class-A amplifier is very sensitivity to the power supply ripples. Even tens of thousands uf capacitors is not enough to provide a "clean" enough power supply. Noticable hums could be heard with 10000uf capacitors according to the DIYer's report.

This capacitance multipler is designed by a nice Australia audio amateur, Alan Cooker. He told us it's proven to be very useful with our free JLH PCB. So we designed a PCB for testing, the result is very positive. Before using this power board, there's lot of hums could be heard even 50cm away from the speaker (with 20000uf power cap). But there's no noticable hum even when the ear is only 10cm away with this power board.

We decided to make more boards and offers them to the DIYers for free.

This offer included not only a blank PCB, but also 4 capacitors and 4 resistors.

Schematic
free power supply pcb for jlh class a amplifier

PCB
free power supply board for JLH amplifier

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