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No returns, warranties, refunds with anything on this page.

Everything on this page is sold AS-IS.

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KTA-HiFi ST-70 Driver PCB
KTA-HiFi ST-70 Driver PCB

The story behind this board is the output pads will touch the chassis. This is cured with insulating washers mounted between the chassis and PCB (included with this PCB). Also there are a few silkscreen part numbering errors and a non-critical reversal of the R2 position in relation with R1.

The "perfect" version of this board can be found here.

These are ST-70 driver boards developed by Kevin Kennedy of KTA-HiFi.

1.6mm thick FR4 laminate, double sided with plated through holes.

Schematic and info can be found here.

Design is © Kevin Kennedy, KTA HiFi. We are an authorized reseller of this design.

9-pin Minature PCB Sockets for this board can be found here.

Normal Retail Value: $28.50 USD.
$15.00 USD/ea.




Speaker Protection Delay Relay PCB
Speaker Protection Delay Relay PCB

This little fellow works fine, except someone at the factory messed up the WOG-style case pinout pads for the bridge rectifier. She works on 12-13VDC.

1.6mm thick FR4 laminate, double sided with plated through holes.

Great for DIY amplifier or repair/restoration/upgrade.

Documentation for this little board can be found here.

Normal retail value: $8.00 USD/ea.
$5.00 USD/ea.


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