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41. [Amps] RM Italy BLA350 (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Mon, 22 Jun 2020 17:40:45 +0700; Hi, I have been asked to look at the subject amplifier which the owner accidentally applied 200 watts to the input of. Specification states 12-14 watts maximum drive. All 4 of the 18 ohm resistors in; /archives//html/Amps/2020-06/msg00034.html (7,191 bytes)
42. Re: [Amps] RM Italy BLA350 (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Tue, 23 Jun 2020 16:36:22 +0700; Thank you Steve, I have lifted the gate and drain of both devices to measure them. One device shows a short from drain to source so I suspect they are indeed blown. Other one measures 300k S-D but op; /archives//html/Amps/2020-06/msg00036.html (9,440 bytes)
43. [Amps] SPE-2K power supply issue (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Wed, 15 Jul 2020 20:10:31 +0700; Hi, I am looking at an SPE-2K for a friend. When checked last week the amp appeared to function mostly okay but would not amplify. Metering indication was no high voltage supply. Having bought the am; /archives//html/Amps/2020-07/msg00005.html (7,330 bytes)
44. Re: [Amps] SPE-2K power supply issue (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Thu, 16 Jul 2020 16:07:49 +0700; Well definitely a case of RTFM it seems. The 34.9 volts is pretty much to spec for this amplifier, when it's in the MID position! Changes to about 30v in the LOW position and 48v only in the HIGH pos; /archives//html/Amps/2020-07/msg00012.html (9,435 bytes)
45. Re: [Amps] SPE-2K power supply issue (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Thu, 16 Jul 2020 20:48:36 +0700; I need to do some tropicalisation. Unfortunately the EU sized vent holes make no allowance for the general level of critters, bugs, geckos and other assorted wildlife perfectly able to crawl inside a; /archives//html/Amps/2020-07/msg00014.html (11,419 bytes)
46. Re: [Amps] 2K Classic X filament issue (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Wed, 4 Aug 2021 17:52:58 +0300; I'm with those who mentioned the socket clips. I had a similar problem on my 2K Classic X, full export, big transformer, ex UN (I'm told). A decent pair of pointed pliers should allow you to wriggle; /archives//html/Amps/2021-08/msg00011.html (9,762 bytes)
47. Re: [Amps] about the WARC bands of the Heathkit SB-220. (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Mon, 7 Oct 2024 17:00:47 +0400; HI, There are 2 potential areas of concern: 1: The input tuned circuits are configured for the bands on the band switch. You may be able to find a compromise tuning that allows WARC band coverage.; /archives//html/Amps/2024-10/msg00021.html (8,885 bytes)

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