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Total 3 documents matching your query.

1. [Amps] QRO HF-2500DX (score: 1): Author: wgr at adelphia.net (Bill Russell); Date: Mon Apr 14 05:38:37 2003; Couple of questions concerning the QRO amp. I need a good amp capable of running SSB and AM. From what I have read, this amp seems to be well built with a couple of questions. The amp uses a 4 to 1 "; /archives//html/Amps/2003-04/msg00132.html (6,860 bytes)
2. [Amps] QRO HF-2500DX (score: 1): Author: philk5pc at tyler.net (Phil Clements); Date: Mon Apr 14 08:09:47 2003; Your guess is correct, it is an un-un (unbalanced to unbalanced) transformer. This allowed QRO to omit those costly RF rated padder capacitors on the low bands, and get away with a lower value C2 in; /archives//html/Amps/2003-04/msg00134.html (7,438 bytes)
3. [Amps] QRO HF-2500DX (score: 1): Author: 2 at vc.net (2); Date: Mon Apr 14 13:03:12 2003; ? A 4:1 balun allows the Pi-network tank to be designed for 200? output, and thus use a smaller amount of Load-C than would be needed for a 50? output design. However, the tradeoff is that, for 1600; /archives//html/Amps/2003-04/msg00142.html (7,448 bytes)

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