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Total 12 documents matching your query.

1. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: hyder@juno.com (Jack W Hyder, Jr.); Date: Sat, 14 Mar 1998 07:04:07 -0500; I have an Ameritron AL-80A which makes the loud CLUNK sound when the power switch is engaged. I assume that step-start/current inrush protection would prevent this. My questions for the list: 1. What; /archives//html/Amps/1998-03/msg00265.html (9,522 bytes)
2. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: wrt@eskimo.com (Bill Turner, W7TI); Date: Sat, 14 Mar 1998 15:32:28 GMT; On Sat, 14 Mar 1998 07:04:07 -0500, hyder@juno.com (Jack W Hyder, Jr.) wrote: ________________________________________________________________________________ I added a similar step-start circuit to; /archives//html/Amps/1998-03/msg00271.html (9,366 bytes)
3. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: LOMAX1@prodigy.net (Frank & Barb Ayers); Date: Sat, 14 Mar 1998 11:06:01 -0000; ". I used an adjustable Amperite time-delay relay set to about three seconds. Such relays brand new sell for about $40 and can often be found for less at the usual surplus outlets." Hosfelt Electroni; /archives//html/Amps/1998-03/msg00272.html (8,144 bytes)
4. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: jono@webspun.com (Jon Ogden); Date: Sat, 14 Mar 98 10:14:18 -0600; I would think the clunk is the inrush relay kicking out after the initial time delay. 73, Jon KE9NA -- Jon Ogden KE9NA http://www.qsl.net/ke9na "A life lived in fear is a life half lived." -- FAQ on; /archives//html/Amps/1998-03/msg00273.html (8,452 bytes)
5. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Sat, 14 Mar 1998 12:36:20 EST; Huh...there is no inrush relay in the AL-80. As Bill said, I doubt if it is causing any damage; after all that amp has been around many years. The clunk is the xfmr. The simple relay and resistor wor; /archives//html/Amps/1998-03/msg00278.html (10,154 bytes)
6. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: paulc@mediaone.net (Paul Christensen); Date: Sat, 14 Mar 1998 15:03:08 -0500; options with Ameritron. True? When one adds these to the basic price of an amp, aren't you in the price range of the low-end Alpha, Henry, Command and QRO product lines? -Paul, W9AC -- FAQ on WWW: h; /archives//html/Amps/1998-03/msg00281.html (8,309 bytes)
7. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 14 Mar 98 12:22:29 -0800; AC coil relays tend to buzz. The circuit shown in Figure 1 at: www.vcnet.com/measures is simple, uses a pair of inrush resistors so that it works on 120v and 240v, and can be powered by the AL-80's; /archives//html/Amps/1998-03/msg00283.html (9,291 bytes)
8. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: amps@txrx.demon.co.uk (Steve Thompson); Date: Mon, 16 Mar 1998 07:33:32 +0000; You might consider using current limiting resistors with a higher resistance and power rating, especially where you have a separate HV transformer. If there is a fault which draws high primary curren; /archives//html/Amps/1998-03/msg00317.html (9,312 bytes)
9. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: measures@vc.net (Rich Measures); Date: Mon, 16 Mar 98 02:26:22 -0800; The resistors w-rating is chosen according to the size of the amplifier. 25 ohmers limit the inrush current to roughly less than 8A. That is the idea. The resistors act as fuses in the event of a ma; /archives//html/Amps/1998-03/msg00319.html (9,984 bytes)
10. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: amps@txrx.demon.co.uk (Steve Thompson); Date: Mon, 16 Mar 1998 21:02:25 +0000; The problem I was thinking of was when you get a trouble in the transformer or bridge or HV caps; then the mains limiting resistors don't get switched out. I guess you can't mistake the fault indicat; /archives//html/Amps/1998-03/msg00329.html (9,920 bytes)
11. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: measures@vc.net (Rich Measures); Date: Tue, 17 Mar 98 03:18:43 -0800; If a circuit fault blows the mains fuses, replacing the fuses will not fix the fault, and will result in blowing yet another pair of fuses. If there is a circuit fault, the fix is going to require p; /archives//html/Amps/1998-03/msg00332.html (10,880 bytes)
12. [AMPS] Step Start for Ameritron AL-80A (score: 1): Author: amps@txrx.demon.co.uk (Steve Thompson); Date: Thu, 19 Mar 1998 07:26:48 +0000; I'm not familiar with commercial equipment. Even allowing for dealer rip-off, that must be one heck of a fuse. with Sorry, we've been at cross purposes. My original point was thinking of where the re; /archives//html/Amps/1998-03/msg00348.html (9,944 bytes)

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