Yamaha C-1 pre-amplifier refurbished

This article describes the restoration of the Yamaha C-1 pre-amplifier with S/N 02234.

Power supply

Electrolytic capacitors

Amount	Voltage	Capacity in µF	RM	Diameter	Height
2	200	100	??	16	30
2	160	47	??	14	30
1	35	470	??	14	30
1	16	47	??	19	10
4	63	220
2	35	220
1	35	10