Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+SB\-230\s+still\s+works\s+fine\.\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[AMPS\]\s+SB\-230\s+still\s+works\s+fine\.\s*$/: 5 ]

Total 5 documents matching your query.

1. [AMPS] SB-230 still works fine. (score: 1): Author: mays@indigo.ucdavis.edu (Skip); Date: Fri, 25 Apr 1997 09:16:22 -0700 (PDT); The sb230 has one 8873 tube. The manual says power input is 1200 ssb 1000 cw 400 rtty Yes, and the one I have works very well. The only downfall I would mention is the extra "loud" TR relay. Although; /archives//html/Amps/1997-04/msg00395.html (8,159 bytes)
2. [AMPS] SB-230 still works fine. (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 25 Apr 97 15:56:55 -0800; The stock relay is also too slow for modern radios. A suitable high speed switching circuit is shown in "The Nearly Perfect Amplifier" in the 1/94 QST. ...snip,,, Typically, a shorted1000pF feedthro; /archives//html/Amps/1997-04/msg00402.html (8,253 bytes)
3. [AMPS] SB-230 still works fine. (score: 1): Author: w8jitom@worldnet.att.net (Tom Rauch (W8JI)); Date: Fri, 25 Apr 1997 21:45:00 -0400; The primary problems with the SB-230 are: 1.) It has no grid protection circuit. The grid is easily damaged by load faults or mistuning 2.) It has no surge limiting resistance in the anode. If the tu; /archives//html/Amps/1997-04/msg00404.html (7,243 bytes)
4. [AMPS] SB-230 still works fine. (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 26 Apr 1997 11:11:30 EDT; Here are a few SB-230 hints based upon experience: Many SB-230 grid bypass capacitors failed from the time of installation. The ones supplied were so small and flimsy that the ceramic insulation crac; /archives//html/Amps/1997-04/msg00409.html (10,018 bytes)
5. [AMPS] SB-230 still works fine. (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 27 Apr 97 10:01:01 -0800; no. The VHF oscillations are, if they occur, intermittent in nature. The RF interference comes from the antenna, so grounding matters not. I am guessing that you are probably using a Wintel 'PC' mac; /archives//html/Amps/1997-04/msg00430.html (7,866 bytes)

Current List: 1 - 5
Page: [1]