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1. [AMPS] Bleeders (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Fri, 10 Sep 1999 13:01:32 -0700; Dahl used to have them at a semi-reasonable price, see www.pwdahl.com for more info. I drool every time I am on his page. Also try Alan Emerald K6GA good in the online call books. Lots of high power; /archives//html/Amps/1999-09/msg00077.html (9,983 bytes)
2. [AMPS] Bargain plate xmfrs? (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Tue, 14 Sep 1999 18:53:25 -0700; For those of you looking to build an amp in the near future...... Rcv'd the new C&H catalog today (1-800-325-9465) out of Anaheim, CA. Page 64 has two power xmfrs that look interesting: 1. AVCO Corp.; /archives//html/Amps/1999-09/msg00113.html (7,807 bytes)
3. [AMPS] Dentron MLA2500 Question/s (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Wed, 15 Sep 1999 15:30:12 -0700; Doug, If memory serves me correctly the original 2500 ran around 2200 vdc on the plate and the 2500B around 1850vdc. Not sure what they changed or why since it was the same tube config. the whole tim; /archives//html/Amps/1999-09/msg00128.html (9,827 bytes)
4. [AMPS] 4-1000A plans (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Fri, 17 Sep 1999 13:20:03 -0700; Mike, Unless you are going to configure it as a tetrode you will need lots of Ep to get good power out, at least 5kV, 6 to 7 kV is even better. Terry W6RU and jon KE9NA are both running 4X1s. I built; /archives//html/Amps/1999-09/msg00149.html (8,655 bytes)
5. [AMPS] Mil Spec HV xmfrs FS (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Sat, 18 Sep 1999 22:41:37 -0700; I have two of these: 1100-0-1100 volts center tapped 280 mA ccs mil spec plate xmfrs. 120 vac primary. Run two of these in series on 240vac input for 2200 volts center tapped at 280 mA for a nice amp; /archives//html/Amps/1999-09/msg00166.html (6,961 bytes)
6. [AMPS] Amp pix (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Tue, 21 Sep 1999 21:44:53 -0700; This is a multi-part message in MIME format. --=_NextPart_000_004E_01BF047A.89E0DE40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable And to Phil's K5PC fine; /archives//html/Amps/1999-09/msg00213.html (10,612 bytes)
7. [AMPS] SB-1000/AL-80A power xmfr $70 + UPS (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Wed, 22 Sep 1999 20:10:24 -0700; I have an excellent condx power xmfr for the Heathkit SB-1000/Ameritron AL-80A amplifier. Pri. is 120/240. Secondary is abt 1200 vac at 500mA with a filament winding of 15 amps at 5 volts for the sin; /archives//html/Amps/1999-09/msg00230.html (7,376 bytes)
8. [AMPS] explain this one (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Sun, 1 Aug 1999 23:22:17 -0700; Phil, So the solution to the autotransformer action was in your case to short out the 160 meter section with a relay when not in use? I have a similar problem with my HB 3-500Z deck. When on 75 meter; /archives//html/Amps/1999-08/msg00017.html (10,042 bytes)
9. [AMPS] breakdown voltage on vac. relays (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Mon, 2 Aug 1999 08:55:11 -0700; I have some vacuum relays that I will be using shortly. Jennings RJ1A. When testing these on my hi-pot at what voltage should I start to see a breakdown? I tested one this morning and it started to b; /archives//html/Amps/1999-08/msg00029.html (7,072 bytes)
10. [AMPS] Switching padders in for 160 meter ops (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Mon, 2 Aug 1999 22:01:09 -0700; Gents, Is there a preferred method for switching in padder caps in parallel with the plate tuning cap to get the total C for 160 meters? I have seen designers do the switching at the top of the padde; /archives//html/Amps/1999-08/msg00057.html (7,783 bytes)
11. [AMPS] Henry 2K floor console amp $425.00 (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Tue, 3 Aug 1999 00:49:23 -0700; Price reduced on this Henry 2K floor console amp. Includes the Peter Dahl plate xmfr which is now selling for $295 from Dahl. Amp is partially disassembled for a clean up project that never got compl; /archives//html/Amps/1999-08/msg00060.html (7,265 bytes)
12. [AMPS] question about dc filter choke in power supply (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Sat, 7 Aug 1999 17:54:10 -0700; The next project is a dc power supply that will go as high as 4500 vdc at 1 amp CCS. I will be using a new Dahl xmfr and a dc resonant filter choke followed by a cap. This is going to be the universa; /archives//html/Amps/1999-08/msg00155.html (7,585 bytes)
13. [AMPS] Clarification on dc choke post (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Sat, 7 Aug 1999 19:23:36 -0700; Many of you have asked if there is a load or a bleeder resistor and yes there is a bleeder--(2) 100K ohm 200 watt units in parallel. Lane Ku7i -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Su; /archives//html/Amps/1999-08/msg00156.html (6,756 bytes)
14. [AMPS] Load C as last resort safety (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Wed, 11 Aug 1999 09:14:17 -0700; Others have written: the And then Rich added: My question: How long would it take a 10 ohm 10 watt high voltage safety "fuse" that is in the B+ line to open in the event the plate bypass cap did shor; /archives//html/Amps/1999-08/msg00203.html (8,016 bytes)
15. [AMPS] Need magazine articles, will pay all costs (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Wed, 11 Aug 1999 09:24:56 -0700; 1. 73 Magazine December 1969 pg 18-21 2. 73 Magazine November 1966 pg 30 - 35 3. CQ Magazine October 1967 pg 30 All articles pertain to building or using dc chokes in power supplies. Many times, as o; /archives//html/Amps/1999-08/msg00204.html (7,491 bytes)
16. [AMPS] Load C as last resort safety (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Wed, 11 Aug 1999 13:14:27 -0700; Many tks to Phil K5PC, Rich AG6K for the clarification on the purpose of the glitch resistor. Mine has popped so many times I thought it was doing what it was supposed to do and doing a damn fine job; /archives//html/Amps/1999-08/msg00217.html (7,361 bytes)
17. [AMPS] Build that HV PS!! (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Tue, 17 Aug 1999 09:29:44 -0700; The following xmfrs are for sale. Winter is coming, build that amp!! 1. 1250 volts at 1 amp. Great for a voltage doubler running a pair of 3-500Zs. 120/240 volt primary. Price is $85 + shipping. 2. 6; /archives//html/Amps/1999-08/msg00278.html (7,245 bytes)
18. [AMPS] Need 32uF 4500 oil filled (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Sat, 28 Aug 1999 07:15:01 -0700; Looking for a 32uF 4500 volt oil filled cap. Lane Ku7i -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Prob; /archives//html/Amps/1999-08/msg00333.html (6,582 bytes)
19. [AMPS] Need info on mica caps (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Sun, 4 Jul 1999 10:04:16 -0700; I have two batches of mica caps that I picked up at a swap meet but need to know the current ratings. First one is Cornell Dublier Type 9 H 400pF 2500vdc/5000vdc max Second one is Sangamo Type A2 LH; /archives//html/Amps/1999-07/msg00040.html (7,035 bytes)
20. [AMPS] Heathkit SB-1000 plate xmfr $90 + UPS (score: 1): Author: zeitler@ibm.net (zeitler@ibm.net); Date: Tue, 6 Jul 1999 22:53:38 -0700; OEM plate xmfr for Heathkit SB-1000/Ameritron AL-80A amp. Works great. $90 plus actual UPS charges from San Diego 92139. Pls give ur zip when replying. Lane Ku7i San Diego -- FAQ on WWW: http://www.c; /archives//html/Amps/1999-07/msg00118.html (6,795 bytes)

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