sunnuntai 25. tammikuuta 2015

TTSH Arp 2600

Matching of the PNP/NPN transistors is at last done! Here is the triple-heart of ARP 2600 ready to go the mother board (three VCO's). Matched transistors hug each other and are in contact with the tempco resistors (middle down at the board). More matched transistors are needed in filter and VCA's.

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