I've uploaded most of the interesting pages from the Knight KG-240 Kit tube amplifier assembly manual including the schematic. This amp puts out a clean 10 wpc using ECL86 tubes in a "push-pull" design. The kit retailed in the 60s for only about $30.
I've never actually owned one of these, but have always thought that it might be buildable from scratch. I think the parts you need are available. One of the scans is a detailed parts list.
These occasionally show up on ebay and bring a nice price even in awful condition.
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Topic - Knight KG-240 Kit schematic assembly manual scans - DavidLD 15:01:41 09/30/07 (2)
- 6GW8/ECL86 tubes are becoming scarce. - Ron Oehlert 10:10:30 10/01/07 (0)
- EXample: - DavidLD 06:48:36 10/01/07 (0)