- 1. [AMPS] MLA-2500B Input SWR (score: 1)
- Author: jmb@eden.com (John Bradley)
- Date: Wed, 26 Mar 1997 21:17:18 -0600
- I obtained a Dentron MLA-2500B shortly before ARRL SS last fall, and proceeded to renovate it into operating condition (replaced filter caps and equalizing resistors, blew out dust etc.). When I fina
- /archives//html/Amps/1997-03/msg00259.html (9,179 bytes)
- 2. [AMPS] MLA-2500B Input SWR (score: 1)
- Author: w8jitom@worldnet.att.net (Tom Rauch (W8JI))
- Date: Thu, 27 Mar 1997 08:35:48 -0500
- Hi John, It's tough to get an auto-tuner to work into a PA, because the inherent negative feedback and varying grid current affect the input impedance as drive level changes. It actually should have
- /archives//html/Amps/1997-03/msg00265.html (8,535 bytes)
- 3. [AMPS] MLA-2500B Input SWR (score: 1)
- Author: km1h@juno.com (km1h@juno.com)
- Date: Thu, 27 Mar 1997 09:28:06 EST
- The TS-450 has a reputation for being very finicky about VSWR plus a ATU with a less than ideal matching range. Many have disconnected this resistor in an attempt to obtain more output. In the initia
- /archives//html/Amps/1997-03/msg00266.html (11,335 bytes)
- 4. [AMPS] MLA-2500B Input SWR (score: 1)
- Author: w5robert@blkbox.COM (Robert)
- Date: Thu, 27 Mar 1997 10:53:00 -0600 (CST)
- I have some experience with two mla-2500B's. One has the optional tuned input board - the other does not. I have not changed tubes with the tuned input one and it gets 1400+ keydown into a Heathkit d
- /archives//html/Amps/1997-03/msg00270.html (8,195 bytes)
- 5. [AMPS] MLA-2500B Input SWR (score: 1)
- Author: measures@vc.net (Rich Measures)
- Date: Fri, 28 Mar 97 06:39:07 -0800
- The only way to get this much suds out is by exceeding the keydown rating of 350mA per anode/plate. Doing this abuses the cathode's emissive coating and puts it at risk of flaking. To see what happe
- /archives//html/Amps/1997-03/msg00280.html (7,851 bytes)
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