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	Space constraints	Comment	Replaced by
2	200	100	7,5	16	30	Diameter	Nippon Chemicon CEW	Yageo 400V/100µF
2	160	47	7,5	14	30		Nippon Chemicon CEW	JH CD261 400V/47µF of 250V/47µF
2	100	3,3	5	7	11		Nippon Chemicon SL	Yageo 350V/3,3µF
1	35	470	7,5	14	30	Diameter	Nippon Chemicon SL	JH CD110 35V/470µF ?
1	16	47	5	9	10		Nippon Chemicon CEKU	JH 16V/47µF ?
4	63	220	7,5	15	33	Diameter	Nippon Chemicon SL
2	35	220	5	13	24		Nichicon	Yageo 35V/220µF
3	35	10	5	5	9		Nichicon
2	25	3,3	5	4	9		Nichicon	Yageo 50V/3.3µF miniatuur ?
2	50	3,3	5	5	10		Nippon Chemicon SL	Yageo 50V/3,3µF miniatuur ?

Tom:Tape Library

Nichicon

Series LGU

Panasonic

Series FC

Yageo

Series LG For Printed Circuit Board High-Performance Aluminum Electrolytic Power Supply Input and Output Filter Capacitors

Series SK General 85C

Series SH General 105C

Series SG Electronic ballast 105C

Series SB Low leakage currten 105C

Series SC Low ESR

Series SM Very low ESR

Series CA General purpose 85C

Elna

Series Silmic II RFS

Links

Literature about capacitors

• High End Audio - Comparing Electrolytic capacitors
• Capacitor characteristics
• Power Supplies
• Picking Capacitors Audio Magazine, February and March, 1980.
• Picking Capacitors - Selection of Capacitors for Optimum Performance - Part I
• Picking Capacitors - Selection of Capacitors for Optimum Performance - Part II

Shops

• Mouser Electronics - Electronic Component Distributor