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Total 26 documents matching your query.

1. [Amps] 2500uf @ 450v dc ElectroCaps (score: 190): Author: vk3ym at iprimus.com.au (RICK COLE); Date: Tue Jul 1 09:50:39 2003; Ok Conrad what is your reccomendation for the value to be used with a 4500v power supply...I am interested as to why you make the statement "bad idea" Regards Rick Put 10 in series and you have a who; /archives//html/Amps/2003-07/msg00000.html (7,417 bytes)
2. [Amps] Can I run 4-400's in TL922 (score: 190): Author: vk3ym at iprimus.com.au (RICK COLE); Date: Tue Jun 3 19:31:42 2003; Am I able to use 4-400 tubes in my TL922 amp...I have just been given 10 of these tubes NIB and was wondering what I had to do to run these in place of the 3-500's if the need arose where I had to ch; /archives//html/Amps/2003-06/msg00019.html (7,060 bytes)
3. [Amps] Firebird Swinger F-100-4-BIL Amp Cct Wanted (score: 190): Author: vk3ym at iprimus.com.au (RICK COLE); Date: Tue Jun 3 19:31:44 2003; I have inherited two Firebird Swinger F-100-4-BIL Amps and they are both in need of some restoration work as both are non-working...If someone can supply me with the documention or point me where to; /archives//html/Amps/2003-06/msg00020.html (6,500 bytes)
4. [Amps] need Cct for Gonset 4x807's amp (score: 190): Author: vk3ym at iprimus.com.au (RICK COLE); Date: Tue Jun 10 07:46:43 2003; I am looking for the schematic of the Gonset Amp that used 4 x 807 tubes...If somebody can suppy or point me in the direction of where to find one I would appreciate it.. regards Rick; /archives//html/Amps/2003-06/msg00064.html (6,459 bytes)
5. [Amps] re Gonset 4x807 amp (score: 190): Author: vk3ym at iprimus.com.au (RICK COLE); Date: Wed Jun 11 08:09:35 2003; With reference to my previous request for a Cct for the amp I should have mentioned that I remember seeing a write-up in QST about this amp...the year was 1954 {I remember that as the other half was; /archives//html/Amps/2003-06/msg00072.html (6,365 bytes)
6. [Amps] RE Gonset 4 x 807 amp (score: 190): Author: vk3ym at iprimus.com.au (RICK COLE); Date: Fri Jun 13 08:31:49 2003; Many thanks to all who replied with my query regarding this amp... As far as the information relates, this amp was either not a successful item or people just did not want such a low powered cheap un; /archives//html/Amps/2003-06/msg00080.html (6,953 bytes)
7. [Amps] re Reduction of 50hz hum via metal plate (score: 190): Author: vk3ym at iprimus.com.au (RICK COLE); Date: Fri Jun 27 08:16:43 2003; Can some-one give me a short explanation WHY a piece of METAL should improve the hum...I have 50hz mains power here in Australia and never seen this here in any of the amps i have looked at...I have; /archives//html/Amps/2003-06/msg00222.html (9,331 bytes)
8. [Amps] Very Large Transformer Manufacturers List (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Wed May 7 08:21:42 2003; http://www.electrictransformers.net/ I found this very large listing of Transformer Manufacturers that I am sure will come in handy for future reference..mainly USA companies but a couple of other co; /archives//html/Amps/2003-05/msg00054.html (6,470 bytes)
9. [Amps] Help needed on Firebird Swinger F100-4-BIL Amp (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Mon Mar 31 15:28:20 2003; I have just aquired a couple of these amps that were made in the 70's by the look of them..they run a pair of 6je6 tubes and that is about all I have had the time to look at...Never having heard abou; /archives//html/Amps/2003-03/msg00000.html (6,692 bytes)
10. [Amps] Electronic Relay Use In RF Applications (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Wed Mar 5 21:07:36 2003; I am just wondering if anyone has used one of the solid state relays for RF use... I have just aquired a boxful {over 100} of new ones from an auction..they are all different types ranging from spst; /archives//html/Amps/2003-03/msg00223.html (6,884 bytes)
11. [Amps] Electronic Relay Use In RF Aplications (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Thu Mar 6 06:52:30 2003; Yes..exactly what I should have asked...does the RF have any effect on them??? Rick VK3YM These are usually designed to switch 60 Hz loads. They don't look like relays at RF. They generally have a f; /archives//html/Amps/2003-03/msg00244.html (8,266 bytes)
12. [Amps] 813 No parasitics (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Mon Mar 17 13:32:40 2003; Skip.. I am very interested in your remark about the 813 tube...Can you enlighten me...very briefly..as to the reason for lack of parasitics..what makes the 813 so stable as compared to other/similar; /archives//html/Amps/2003-03/msg00644.html (7,593 bytes)
13. [Amps] What!!! (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Mon Mar 17 14:26:31 2003; I know there is something wrong when you go looking for CB INTERFERENCE ON THE INTERNET... How big an Amp do they use to cause this???? _______________________________________________ Amps mailing li; /archives//html/Amps/2003-03/msg00645.html (7,893 bytes)
14. [Amps] What!! (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Wed Mar 19 12:39:27 2003; Well Roger, why browse the web for CB interference??? Surely you would only have to look at your TV or was it destroyed previously by a CB'ers really big amp...one that he built himself!!! What makes; /archives//html/Amps/2003-03/msg00713.html (6,973 bytes)
15. [Amps] re Amp Returns (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Mon Feb 3 20:18:44 2003; I conducted a telephone survey of computerized Alpha owners and found that roughly 40% of owners had to return theirs for factory repair. Strangely, all tubes that were damaged were replaced gratis; /archives//html/Amps/2003-02/msg00050.html (6,710 bytes)
16. [Amps] re Alpha Amps (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Mon Feb 3 20:36:25 2003; Also, I can offer the following additional observation with some authority. For about an additional $10 (approx.) they could provide a full alphanumeric message display, which could sit there and con; /archives//html/Amps/2003-02/msg00052.html (6,940 bytes)
17. [Amps] re filaments & regulation (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Tue Feb 4 11:26:59 2003; when you are talking about a rheostat are you describing the small wirewound type variable resistor..similar looking to a mini-mini variac...or are you talking about a high wattage variable resistor.; /archives//html/Amps/2003-02/msg00067.html (6,987 bytes)
18. [Amps] Capacitance Amount Formula (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Sun Feb 9 12:03:30 2003; When designing a HV PSU is there a reccomended formula for determing the total amount of capacitance required in the filter.. I have not seen much discussion on this subject and now I am about to des; /archives//html/Amps/2003-02/msg00202.html (7,929 bytes)
19. [Amps] Capacitance amount formula (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Mon Feb 10 10:52:08 2003; Many thanks to all who replied about my question on the formula for amount of capacitance required in a HV PSU.. All the info filled in a few of the gaps in my memory.. thanks you all and my project; /archives//html/Amps/2003-02/msg00222.html (7,997 bytes)
20. [Amps] What is a Flapper Cap (score: 190): Author: vk3ym at iprimus.com.au (Rick Cole VK3YM); Date: Wed Feb 19 18:59:55 2003; After reading the below it got me wondering..I wonder what is a "Flapper" type capacitor...I have never heard of a cap called this before, so in this event I need enlightenment.. Could some-one point; /archives//html/Amps/2003-02/msg00382.html (15,266 bytes)

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