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Total 16 documents matching your query.

1. [AMPS] 3-500Z filament voltage (score: 1): Author: montytaylor@texoma.net (Monty Taylor); Date: Sun, 13 Jun 1999 14:29:21 -0500; I have an amplifier with a pair of 3-500Z's in it. I have very high local feeders, 248VAC, which gives me excessive filament voltage on the pair of 3-500Z's. I did put a pair of jacks on the back of; /archives//html/Amps/1999-06/msg00413.html (7,921 bytes)
2. [AMPS] 3-500Z filament voltage (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Sun, 13 Jun 1999 18:48:57 EDT; Collins values, Hi Monty, The 30S-1 metered the heater voltage on the primary side of the transformer. Likely Collins calibrated the meter by measuring the resulting filament voltage at the pins... T; /archives//html/Amps/1999-06/msg00416.html (8,024 bytes)
3. [AMPS] 3-500Z filament voltage (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Mon, 14 Jun 1999 10:47:36 +0100; with the plate My guess is that you've still got RF getting into the true RMS meter. Try using an old fashioned moving coil VOM; you can check its calibration with the RF off against the True RMS met; /archives//html/Amps/1999-06/msg00423.html (7,414 bytes)
4. [AMPS] 3-500Z filament voltage (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sun, 31 Jan 1999 21:12:54 -0800; I'm sure the Utilities Commission or what ever government board that over-sees the utility companies in your area would like to hear of that attitude......Ever thought of contacting them ?? 73 Jim W7; /archives//html/Amps/1999-02/msg00001.html (11,003 bytes)
5. [AMPS] 3-500Z filament voltage (score: 1): Author: robrk@pgh.net (R.Morris); Date: Mon, 01 Feb 1999 00:19:08 -0500; Yea, but didn't Ohm's cousin have a law that said more volts across a fixed resistance equal more dollars.(KWH)...All that stuff in the house that works fine at 115 volts....spends more money with 12; /archives//html/Amps/1999-02/msg00002.html (7,079 bytes)
6. [AMPS] 3-500Z filament voltage (score: 1): Author: johnf@futurenet.co.za (John Fielding); Date: Mon, 1 Feb 1999 18:50:07 +0200; Go buy some lead underpants!! John ZS5JF -- To: <amps@contesting.com> royanjoy@ncn.net high limits--not have to return damage boosted QRO side -- FAQ on WWW: http://www.contesting.com/ampfaq.html Sub; /archives//html/Amps/1999-02/msg00032.html (8,531 bytes)
7. [AMPS] 3-500Z filament voltage (score: 1): Author: KA2YKC@aol.com (KA2YKC@aol.com); Date: Sun, 31 Jan 1999 21:00:41 EST; << Monty... For gosh' sakes, contact your power company about that outrageously high line voltage! They are supposed to keep it well within specified limits--not nearly that high. They will come out; /archives//html/Amps/1999-01/msg00002.html (8,302 bytes)
8. [AMPS] 3-500Z filament voltage (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 31 Jan 1999 22:12:53 -0500; Mine was 246-247 VAC for several years. Just recently and with the advent of new homes on this very rural street I noticed it was down to 234V. Havent noticed any longer household bulb life yet but I; /archives//html/Amps/1999-01/msg00003.html (9,931 bytes)
9. [AMPS] 3-500Z filament voltage (score: 1): Author: kb0pyo@rconnect.com (Mark Brown); Date: Sun, 31 Jan 1999 22:49:38 -0600; Hi All Complaints to Northern States Power about line voltage running high (currently 124volts, was 128 earlier) got the comment that it is more efficient & we aren't going to adjust it down. Light b; /archives//html/Amps/1999-01/msg00006.html (10,760 bytes)
10. [AMPS] 3-500Z filament voltage (score: 1): Author: Monty Taylor" <montytaylor@texoma.net (Monty Taylor); Date: Sun, 31 Jan 1999 07:59:22 -0600; I have just reduced my filament voltage on the 3-500Z's in my Linear from 5.75 volts to 5.00 volts, added 40 ohms in the primary of the transformer, with no load or drive. If I drive the amp to 600ma; /archives//html/Amps/1999-01/msg00645.html (8,569 bytes)
11. [AMPS] 3-500Z filament voltage (score: 1): Author: Monty Taylor" <montytaylor@texoma.net (Monty Taylor); Date: Sun, 31 Jan 1999 08:13:40 -0600; I have just reduced my filament voltage on the 3-500Z's in my Linear from 5.75 volts to 5.00 volts, added 40 ohms in the primary of the transformer, with no load or drive. If I drive the amp to 600ma; /archives//html/Amps/1999-01/msg00646.html (8,544 bytes)
12. [AMPS] 3-500Z filament voltage (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 31 Jan 1999 11:31:24 -0500; If I drive the amp to 600ma, for example, what With a stiff 240V line the voltage drop caused by key down loading should not exceed a few percent. You have up to 5% to play with with a minimum of 4.7; /archives//html/Amps/1999-01/msg00652.html (9,879 bytes)
13. [AMPS] 3-500Z filament voltage (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 31 Jan 1999 10:40:44 -0800; ? As I understand it, mode of operation does not affect the emissive life of a thoriated tungsten cathode. Emissive life varies as a function of (E2/E1)^23.4. For instance, if filiament potential is; /archives//html/Amps/1999-01/msg00663.html (9,431 bytes)
14. [AMPS] 3-500Z filament voltage (score: 1): Author: rakefet@rakefet.com (Vic Rosenthal); Date: Sun, 31 Jan 1999 11:47:00 -0800; <snip> What I did was bring out the filament pins directly from the tube socket to pin jacks on the back of my amp. I put 10K resistors in series with each line, and bypassed them at the pin jacks. S; /archives//html/Amps/1999-01/msg00665.html (8,364 bytes)
15. [AMPS] 3-500Z filament voltage (score: 1): Author: royanjoy@ncn.net (Roy Koeppe); Date: Sun, 31 Jan 1999 16:38:37 -0600; Monty... For gosh' sakes, contact your power company about that outrageously high line voltage! They are supposed to keep it well within specified limits--not nearly that high. They will come out and; /archives//html/Amps/1999-01/msg00666.html (9,675 bytes)
16. [AMPS] 3-500Z filament voltage (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 31 Jan 1999 16:44:31 -0500; On Sun, 31 Jan 1999 10:40:44 -0800 Rich Measures <measures@vc.net> writes: As I understand it you did not understand my post. If anyone else has that problem I will be glad to clarify. Cheers also Ca; /archives//html/Amps/1999-01/msg00669.html (10,906 bytes)

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