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Total 8 documents matching your query.

1. [Amps] PT-3000 (score: 1): Author: Roger Parsons via Amps <amps@contesting.com>; Date: Wed, 5 Jan 2022 14:51:56 +0000 (UTC); I am having to do some work (again) on this Viewstar PT-3000 amplifier. (This is a prototype which never went into production and is vaguely similar to the PT-2500.) It needs a new fan - does anyone; /archives//html/Amps/2022-01/msg00027.html (6,668 bytes)
2. Re: [Amps] PT-3000 (score: 1): Author: gudguyham--- via Amps <amps@contesting.com>; Date: Wed, 5 Jan 2022 15:35:00 +0000 (UTC); Try to just replace the motor and not the wheel and housing. Sent from the all new AOL app for iOS I am having to do some work (again) on this Viewstar PT-3000 amplifier. (This is a prototype which n; /archives//html/Amps/2022-01/msg00028.html (7,426 bytes)
3. Re: [Amps] PT-3000 (score: 1): Author: Roger Parsons via Amps <amps@contesting.com>; Date: Wed, 5 Jan 2022 20:03:05 +0000 (UTC); I would like to do that, but unfortunately the installed blower is not (I think) the original. It certainly doesn't provide enough air, and the wheel does not fit properly on to the motor shaft. But; /archives//html/Amps/2022-01/msg00030.html (8,170 bytes)
4. Re: [Amps] PT-3000 (score: 1): Author: Jim W7RY <jimw7ry@gmail.com>; Date: Thu, 6 Jan 2022 10:57:50 -0600; Are you sure? Its not connected across one of the 120 volt windings on the plate or filament trnsformer? Or is this amplifier 240 volts only? You can always install a small 240-120 volt 3 lead isolat; /archives//html/Amps/2022-01/msg00038.html (7,651 bytes)
5. Re: [Amps] PT-3000 (score: 1): Author: Roger Parsons via Amps <amps@contesting.com>; Date: Thu, 6 Jan 2022 20:35:08 +0000 (UTC); Unfortunately, I am sure. However, the schematic implies that the plate transformer is tapped. I will have to investigate further - the wiring and lack of labelling makes it quite clear that this was; /archives//html/Amps/2022-01/msg00039.html (7,724 bytes)
6. Re: [Amps] PT-3000 (score: 1): Author: Jim W7RY <jimw7ry@gmail.com>; Date: Thu, 6 Jan 2022 15:33:00 -0600; The stock PT2500 blower was a shaded pole motor. Very similar to the NCL-2000 fan setup. I bet the motor is available from WW Granger, and may be also available in 240 volt from them. Their on-line d; /archives//html/Amps/2022-01/msg00040.html (8,434 bytes)
7. [Amps] PT-3000 (score: 1): Author: Donald Fox via Amps <amps@contesting.com>; Date: Fri, 7 Jan 2022 16:42:08 +0000 (UTC); X 2 on Grainger for replacement blower motors. Twice now, they have had the correct 240 volt Dayton motor (3M725D) when I needed one to bring the blower on a Henry Classic console back to life. Don N; /archives//html/Amps/2022-01/msg00041.html (7,348 bytes)
8. [Amps] PT-3000 (score: 1): Author: Roger Parsons via Amps <amps@contesting.com>; Date: Wed, 1 Feb 2023 21:21:47 +0000 (UTC); A little while ago I wrote about some experiences with a PT-3000 that I have been working on. This work was completely interupted by an unpleasant and debilitating bout of Covid. Anyway, I am feeling; /archives//html/Amps/2023-02/msg00000.html (7,752 bytes)

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