- 1. [AMPS] MLA-2500 (score: 1)
- Author: w8ik@subich.com (Joe Subich, K4IK)
- Date: Sat, 25 Aug 2001 20:57:05 -0400
- Before I put this on eBay ... For sale MLA-2500 without tubes - $300 plus shipping. This is a perfect "project amplifier" for someone looking to do one of the alternative tube conversions. Amplifier
- /archives//html/Amps/2001-08/msg00327.html (6,648 bytes)
- 2. [AMPS] MLA-2500 (score: 1)
- Author: kk@cg.yu (V.Kecman, Kele YU1AO/6)
- Date: Sun, 9 Jan 2000 22:48:47 +0100
- Rumor says there was an article in QEX or Communication Quarterly, about modifications of MLA2500 to accept russian tubes. Any info better than this? 73 Kele YU1AO/6 -- FAQ on WWW: http://www.contest
- /archives//html/Amps/2000-01/msg00205.html (6,806 bytes)
- 3. [AMPS] MLA-2500 (score: 1)
- Author: RichyRusso@aol.com (RichyRusso@aol.com)
- Date: Mon, 10 Jan 2000 00:35:54 EST
- Svetlana's website has all of the info to convert the MLA 2500 to a pair of Tetrodes or Triodes.. There are about 4 conversions for this amp.. I am currently converting mine to a Single 3cx800.. Good
- /archives//html/Amps/2000-01/msg00211.html (6,941 bytes)
- 4. [AMPS] MLA-2500 (score: 1)
- Author: kk@cg.yu (V.Kecman, Kele YU1AO/6)
- Date: Mon, 10 Jan 2000 10:20:08 +0100
- Thanks for everyone showing me the link to the article. However, I am bit disappointed, since modified MLA2500 with 2x 4CX400 delivers less than 800w output... 5B4LP has one that runs cool 1500+watts
- /archives//html/Amps/2000-01/msg00214.html (7,008 bytes)
- 5. [AMPS] MLA-2500 (score: 1)
- Author: RichyRusso@aol.com (RichyRusso@aol.com)
- Date: Mon, 10 Jan 2000 10:18:01 EST
- << Thanks for everyone showing me the link to the article. However, I am bit disappointed, since modified MLA2500 with 2x 4CX400 delivers less than 800w output... 5B4LP has one that runs cool 1500+wa
- /archives//html/Amps/2000-01/msg00216.html (7,447 bytes)
- 6. [AMPS] MLA-2500 (score: 1)
- Author: k9zm@frontiernet.net (Greg Gobleman)
- Date: Wed, 16 Sep 1998 18:10:22 -0500
- This is a multi-part message in MIME format. --=_NextPart_000_000C_01BDE19D.4592B700 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I just wiped out the po
- /archives//html/Amps/1998-09/msg00203.html (8,775 bytes)
- 7. [AMPS] MLA-2500 (score: 1)
- Author: odin@webspan.net (Pinky & The Brain)
- Date: Wed, 1 Jul 1998 16:13:45 -0400
- Greetings to the group! I am looking to "re-animate" an MLA-2500 (Dentron) and those little Eimac monsters (8875s) are disgustingly expensive!!!! Any ideas on a suitable Svetlana replacement without
- /archives//html/Amps/1998-07/msg00008.html (7,103 bytes)
- 8. [AMPS] MLA-2500 (score: 1)
- Author: gdaught6@leland.Stanford.EDU (George T. Daughters)
- Date: Wed, 1 Jul 1998 13:33:05 +0008
- hi steve, try the svetlana web page, and look for their technical app. notes. 73, George T. Daughters, K6GT -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Admin
- /archives//html/Amps/1998-07/msg00011.html (7,275 bytes)
- 9. [AMPS] MLA-2500 (score: 1)
- Author: odin@webspan.net (Pinky & The Brain)
- Date: Fri, 31 Jul 1998 11:54:10 -0400
- Steve also added I have just completed a " rebuild " of a 2500 which involved replacement of all the diodes in the HV rectifier as well as replacement of the original Sprague TVL-1770 ( 150uF @ 450WV
- /archives//html/Amps/1998-07/msg00212.html (8,216 bytes)
- 10. [AMPS] MLA-2500 (score: 1)
- Author: wb5apd@stc.net (Bob Dodson WB5APD EM84ak)
- Date: Fri, 31 Jul 1998 17:32:32 -0400
- Steve; My MLA-2500 reads about 1 1/2 marks past 2250vdc. Abt 2500vdc running it on 220 vac. I also have a question. Did the Mallory caps you get measure 1.375" X 4.125" and did you use the 2 hole cap
- /archives//html/Amps/1998-07/msg00213.html (8,977 bytes)
- 11. [AMPS] MLA-2500 (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Sun, 07 Dec 1997 18:41:56 EST
- Anyone know where I can get a manual or a photocopy of a manual for a MLA-2500B? Thanks, Mark WB8JKR -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrati
- /archives//html/Amps/1997-12/msg00115.html (6,485 bytes)
- 12. [Amps] MLA-2500 (score: 1)
- Author: "Ken" <KI4ZED@comcast.net>
- Date: Sat, 8 Dec 2007 21:42:25 -0500
- Ok guys need some help. I went to an estate sale today and bought a MLA-2500 amp. I swear the amp has never been used. The previous owner has passed and he was a wealthy man, no children ect. The amp
- /archives//html/Amps/2007-12/msg00094.html (6,947 bytes)
- 13. Re: [Amps] MLA-2500 (score: 1)
- Author: "jeremy-ca" <km1h@jeremy.mv.com>
- Date: Sat, 8 Dec 2007 22:28:18 -0500
- Pull the time delay tube and measure for "filament" continuity. Also visually check for a cracked base. If the unit is bad then jumper the thru path pins in the socket. Then remember to wait a good 2
- /archives//html/Amps/2007-12/msg00096.html (8,549 bytes)
- 14. [Amps] MLA-2500 (score: 1)
- Author: "Ken" <KI4ZED@comcast.net>
- Date: Thu, 13 Dec 2007 06:44:47 -0500
- Up date # 1 (yes I'm keeping count) So far no filament voltage..Hope it's just a pinched wire and not the transformer. Schematic doesn't show any thing between the tranny and the filaments like a fus
- /archives//html/Amps/2007-12/msg00150.html (8,391 bytes)
- 15. [Amps] MLA-2500 (score: 1)
- Author: "Ken" <KI4ZED@comcast.net>
- Date: Thu, 13 Dec 2007 21:27:08 -0500
- Up date # 3.The last for a while. Thanks to everyone that gave advice on the amplifier. Amp is working now, enough to tune it in with appox. 200w output. After I peaked it at the 200w level with abou
- /archives//html/Amps/2007-12/msg00160.html (7,822 bytes)
- 16. Re: [Amps] MLA-2500 (score: 1)
- Author: wa4tuk <wa4tuk-rf@comcast.net>
- Date: Sun, 16 Dec 2007 00:03:40 -0500
- Well, you could have attempted to measure voltage with the probes in the ma position. (No condemning comments please!) I believe if it were mine to repair and I didn't know it's history, I'd give it
- /archives//html/Amps/2007-12/msg00167.html (7,438 bytes)
- 17. [Amps] MLA-2500 (score: 1)
- Author: n4zed@comcast.net
- Date: Fri, 25 Jan 2008 14:01:55 +0000
- I am in the process of adding Rich's (AG6K) parasitic suppressor kit to my Dentron MLA-2500 and while I'm at it I want to address the apparent mis-loading of the amplifier. I know others have noted t
- /archives//html/Amps/2008-01/msg00169.html (7,289 bytes)
- 18. Re: [Amps] MLA-2500 (score: 1)
- Author: "EP Swynar" <gswynar@durham.net>
- Date: Fri, 25 Jan 2008 09:11:59 -0500
- Hi Ken, On which band are you experiencing this...? All of them...? ~73~ Eddy VE3CUI - VE3XZ ** Dentron MLA-2500 and while I'm at it I want to address the apparent mis-loading of the amplifier. cap t
- /archives//html/Amps/2008-01/msg00170.html (8,029 bytes)
- 19. Re: [Amps] MLA-2500 (score: 1)
- Author: n4zed@comcast.net
- Date: Fri, 25 Jan 2008 14:21:13 +0000
- Yes on all bands. ** On what bands? 73, Pete N4ZR At 09:01 AM 1/25/2008, you wrote: _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/m
- /archives//html/Amps/2008-01/msg00171.html (7,568 bytes)
- 20. Re: [Amps] MLA-2500 (score: 1)
- Author: "jeremy-ca" <km1h@jeremy.mv.com>
- Date: Fri, 25 Jan 2008 09:37:39 -0500
- The parasitic mod is the last thing that amp needs. However 160M loading has always been an issue. You can increase the fixed C on the Load side which will help a little. You can also add 3-4 turns o
- /archives//html/Amps/2008-01/msg00172.html (8,534 bytes)
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