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Total 7 documents matching your query.

1. [AMPS] Re: 3-500Z/ G (score: 1): Author: w8jitom@worldnet.att.net (Tom Rauch (W8JI)); Date: Fri, 28 Mar 1997 18:21:53 -0500; Could you describe the symptoms that indicated an "instabilty problem"? 73 Tom -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQU; /archives//html/Amps/1997-03/msg00294.html (8,816 bytes)
2. [AMPS] Re: 3-500Z/ G (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 28 Mar 1997 20:12:41 EST; Typical symptoms with an AL-82, etc are a shorted tube, blown plate choke, blown band switch. Many failures can be traced to a poor understanding on how to even tune the damn thing. I cant believe ho; /archives//html/Amps/1997-03/msg00298.html (10,038 bytes)
3. [AMPS] Re: 3-500Z/ G (score: 1): Author: wrt@eskimo.com (Bill Turner); Date: Sat, 29 Mar 1997 01:41:17 GMT; -- One of the basic concepts in tuning up an amplifier is one I had to figure out the hard way. Here it is: The amplifier should be tuned up for the maximum output that you intend to use at that time; /archives//html/Amps/1997-03/msg00299.html (9,991 bytes)
4. [AMPS] Re: 3-500Z/ G (score: 1): Author: w8jitom@worldnet.att.net (Tom Rauch (W8JI)); Date: Sat, 29 Mar 1997 09:44:50 -0500; Tom asked: That's what I was afraid of. None of these things are traceable to oscillations. Look at this with what we all know about theory: 1.) The impedance of the tuning capacitor is very low (les; /archives//html/Amps/1997-03/msg00303.html (10,403 bytes)
5. [AMPS] Re: 3-500Z/ G (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 30 Mar 97 08:18:20 -0800; How are the tubes being blown, Carl? What is the breakdown v of the AL-82 bandswitch? Is the AL-82 bandswitch similar to the AL-80 bandswitch? Have you measured the resistance of the VHF suppressor; /archives//html/Amps/1997-03/msg00330.html (8,457 bytes)
6. [AMPS] Re: 3-500Z/ G (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 30 Mar 1997 18:06:50 EST; Darned if I know, I get the amp after the damage and the tubes go into the trash. Ameritron rates it at 6KV 20A but it is just a standard Centralab/Electroswitch JV series (new E4 series) as used by; /archives//html/Amps/1997-03/msg00340.html (10,559 bytes)
7. [AMPS] Re: 3-500Z/ G (score: 1): Author: w8jitom@worldnet.att.net (Tom Rauch (W8JI)); Date: Mon, 31 Mar 1997 00:28:49 -0500; Two sections are paralleled, and the contact arrangement is changed. It is not a standard JV series. Again the contact arrangement is changed. The ten meter tap is moved away from the grounded mounti; /archives//html/Amps/1997-03/msg00349.html (9,722 bytes)

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