Knight Audio Generator

Preliminary Information
Leak Risk	Low
Batteries	None
Destructive Entry	No

The Knight Audio Generator is a waveform generator based on tubes and an air variable capacitor. Its electrolytic capacitors are likely to have dried out over time.

Disassembly Notes

Remove all screws from the front and rear of the device. While pulling the spring-loaded handle, slide the cover away from the front panel to reveal the inner assembly.

Original Parts

Capacitor Specifications and Footprint Information

RefDes	Qty	Capacitance	Voltage	Mount	Diameter/Size	Height	Lead Spacing	Temp	Type	Brand	Series
C5	1	.02 µF	400 V						Paper
C6	1	20 µF	350 V				Axial		Condensor, Dry Electrolytic
C7, C8	2	20 µF	150 V				Axial		Electrolytic
C10, C13	2	0.25 µF	400 V				Axial		Paper
C12 A, C9 A	2	50 µF	450 V						Electrolytic, in same housing as B
C12 B, C9 B	2	80 µF	475 V						Electrolytic, see A
C14	1	100 µF	150 V				Axial		Electrolytic

Replacement Parts

Capacitors

RefDes	Qty	Compatible Part Number	Order Links
C14	1	107TTA160M	Digikey Mouser
C6	1	226TTA350M / MAL204216229E3	Digikey Mouser
C7, C8	2
C10, C13	2	MAL204216229E3	Digikey Mouser

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.