Classic News Archive
- ■The HL-2000 (later became the HL-2000A ) using two 3-500Z tubes.
- ■The HL-1000 (later became the HL-1000A ) using a single 3-500Z tube - designed to be a lighter & more economical version of the more powerful HL-2000A .
- ■High power antenna tuners - the AT-1500
- ■2,000 watt low pass R.F. filters HF-1000LP
- ■7 watt amplifier - PDF file - Diagram 1247 (74K )
- ■15 watt amplifier - PDF file - Diagram 1229B (73K)
- ■60 watt amplifier - PDF file - Diagram 1245 (92K)