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Total 22 documents matching your query.

1. Re: [Amps] Suggestion..... (score: 1)
Author: "Fern" <crc@cyberlink.ca>
Date: Sat, 3 Oct 2009 21:14:30 -0600
No god forbid as this would be like they do on the Icom reflector which is not standard. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.
/archives//html/Amps/2009-10/msg00059.html (8,041 bytes)

2. Re: [Amps] AL 1500 P.O. Meter Function (score: 1)
Author: "Fern" <crc@cyberlink.ca>
Date: Sun, 4 Oct 2009 20:42:05 -0600
I would suggest that it would be better to check the accuracy of the wattmeter if the amp was fed directly into a dummy load. The Hy-Gain 18HT Hy-Tower vertical is not necessarily a good 50 ohm feed
/archives//html/Amps/2009-10/msg00090.html (12,158 bytes)

3. [Amps] re johnson air variable capacitors (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Mon, 12 Jan 2015 17:10:00 -0700
Looking for the specs on the following johnson air variable capacitors: a) johnson 154-30 b) johson 154-0030-001 Thanks from Fern VE7GZ _______________________________________________ Amps mailing li
/archives//html/Amps/2015-01/msg00135.html (9,686 bytes)

4. Re: [Amps] Need Zener for 2KD-3 (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Mon, 2 Feb 2015 14:16:19 -0700
Wow! Bill, you are correct that they are expensive. Mouser Electronics has them but they are close to $58 each. With that in mind, I make my own using several diodes in series to end up with the same
/archives//html/Amps/2015-02/msg00055.html (8,860 bytes)

5. Re: [Amps] Amp output power (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Mon, 24 Aug 2015 15:09:31 -0600
An alpha 86 with a pair of eimac regular 3CX800A7 can easily put out 1500 watts without any issues. Fern VE7GZ Maybe it's a combination of the dainty 4W grid and the small physical size. It's not a v
/archives//html/Amps/2015-08/msg00088.html (10,773 bytes)

6. [Amps] FS Viewstar PT-3000A amplifier (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Sat, 3 Dec 2016 15:52:56 -0700
I recently acquired an alpha 9500 hf amplifier and so far am satisfied with it so have decided to sell my coveted and very rare Viewstar PT-3000A hf amplifer as there apparently were only six of thos
/archives//html/Amps/2016-12/msg00093.html (8,334 bytes)

7. Re: [Amps] triode vs tetrode (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Mon, 5 Dec 2016 17:54:13 -0700
A better way yet is to go G2DAF where the grid is swapped with either a 100 ohm or 200 ohm non inductive resistor and a pair of 6AX4 are used as rectifiers to drive the screens with the resulting dc
/archives//html/Amps/2016-12/msg00110.html (8,436 bytes)

8. Re: [Amps] 600W vs 1.5KW amps was: Re: SS amps and autotune... (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Wed, 7 Dec 2016 21:49:32 -0700
I have to agree as to make one S unit difference between a 600 watts amplifier, youll need 2400 watts output! Fern VE7GZ For those who must have max-legal the 600w proposal is meaningless. For the 10
/archives//html/Amps/2016-12/msg00178.html (9,247 bytes)

9. Re: [Amps] 30L1 keying (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Tue, 27 Dec 2016 22:10:10 -0700
Don K4LAJ makes a nice soft key interface for the 30L1 which installs internally in the amp and works very well. He also has a nice quiet replacement fan for the 30L1 as well as a nice cooling fan to
/archives//html/Amps/2016-12/msg00456.html (10,266 bytes)

10. [Amps] re idling current alpha 9500 amp (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Wed, 28 Dec 2016 12:52:25 -0700
Would appreciate if any of you folks that own an alpha 9500 amplifier if you would check and see what your idling plate current is with the amp keyed but without rf drive. Thanks from Fern VE7GZ ____
/archives//html/Amps/2016-12/msg00478.html (6,605 bytes)

11. [Amps] Re Alpha 9500 Idling Current (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Thu, 29 Dec 2016 12:02:11 -0700
Thanks for all the replies re the idling current on your alpha 9500 amplifier. Ive been in touch with Glenn AE0Q at Alpha RF Systems LLC, and here is his quote: The Ig zero and tube bias idle Ip (130
/archives//html/Amps/2016-12/msg00513.html (9,949 bytes)

12. Re: [Amps] Alpha 9500 Idling Current (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Thu, 29 Dec 2016 15:32:19 -0700
Well thats strange Brad as Glenn AE0Q at Alpha RF Systems told me that it should be 130 ma but I suppose that 10 or 20 ma wont make that much difference? Is it possible for you to guide us to set the
/archives//html/Amps/2016-12/msg00519.html (9,628 bytes)

13. Re: [Amps] Alpha 9500 Idling Current (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Thu, 29 Dec 2016 22:07:05 -0700
Hi Brad: Would you please be so kind to post the procedure in detail as how to adjust the bias on the 9500 amplifier? You would be doing a great service to all of us owners of this fine amplifier. Be
/archives//html/Amps/2016-12/msg00528.html (15,019 bytes)

14. Re: [Amps] FCC Denies Expert Linears' Request for Waiver of 15 dB Rule (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Wed, 4 Jan 2017 15:58:59 -0700
I have an early K3 and dont see any need for a pre-amp for it on any of those bands. I just checked the sensitivity with my service monitor to verify that. 73 from Fern VE7GZ The Elecraft K3, K3S, an
/archives//html/Amps/2017-01/msg00061.html (9,231 bytes)

15. Re: [Amps] Audio/RF compression (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Tue, 10 Jan 2017 19:07:21 -0700
Get a hold of a Drake SP-75 speech processor. It will work with any rig and works very well. It also has a noise gate. Fern VE7GZ Given that most radios don't have all of this built in, or at least a
/archives//html/Amps/2017-01/msg00220.html (11,222 bytes)

16. Re: [Amps] PowerGenius XL Video (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Fri, 10 Feb 2017 17:11:50 -0700
Hey Kevin: I disagree with your comment. I have two hf amps using the 8877 and they both operate very quietly without use of humongous blower. One of them is the Viewstar PT-3000A and other one is th
/archives//html/Amps/2017-02/msg00033.html (9,958 bytes)

17. Re: [Amps] Questions on Alpha 8410 (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Tue, 28 Feb 2017 17:28:08 -0700
Hi Mike: Make sure that you throttle back the output on the FT-1000D to only 40/50 watts or the amp will trip out. Fern VE7GZ Greetings Thermionic Sages, I'm looking at an Alpha 8410 for a friend tha
/archives//html/Amps/2017-02/msg00229.html (9,322 bytes)

18. Re: [Amps] Mobile Amps ? (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Sat, 15 Apr 2017 11:11:02 -0600
I would love to have some kind of QRO to knock off those idiots that insist on using their cell phones while driving! I wouldnt mind to have something that would blast the heck of those kids that use
/archives//html/Amps/2017-04/msg00115.html (11,055 bytes)

19. Re: [Amps] Alpha (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Thu, 5 Oct 2017 08:12:33 -0600
Do they use the same pin diodes in the alpha 86 amplifier? Fern VE7GZ At some point in the future, 87A prices may reach a point where it's worthwhile to own a donor unit, especially as 3CX800A7 tubes
/archives//html/Amps/2017-10/msg00055.html (12,752 bytes)

20. Re: [Amps] ARD 230a (score: 1)
Author: "Fern Rivard" <crc@cyberlink.ca>
Date: Tue, 9 Oct 2018 10:03:44 -0600
Contact Bob W0YVA as he was the man behind those fine amps. Fern VE7GZ Are their any experts on the Advance Radio Devices 230A amplifier out their am trying to bring a NOS amp to life. Thanks Darryl
/archives//html/Amps/2018-10/msg00029.html (8,185 bytes)

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