- 1. Re: [Amps] Alpha 76pa shutdown (score: 1)
- Author: Big Don <bigdon39@gmail.com>
- Date: Fri, 17 Oct 2014 00:18:09 -0700
- Same thing happened to our SB-220,-- after 35 years regular use, the front panel power switch failed in the 'ON' state. Couldn't find exact replacement switch. Inserted a wall switch box in the power
- /archives//html/Amps/2014-10/msg00105.html (9,824 bytes)
- 2. [Amps] 4cx1000A or 8877 - Maximum Safe Cooling Air Exhaust Temperature...?? (score: 1)
- Author: Big Don <bigdon39@gmail.com>
- Date: Fri, 28 Aug 2015 10:12:30 -0700
- Any data available on this? As measured above the fins or exit of chimney.... Don N7EF _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.co
- /archives//html/Amps/2015-08/msg00103.html (6,691 bytes)
- 3. Re: [Amps] How big is yours? (score: 1)
- Author: Big Don <bigdon39@gmail.com>
- Date: Sat, 11 Feb 2017 09:13:15 -0800
- OTOH, if you would like to fantasize a bit, go to http://bear-el.com/ Scroll way down to the red buttons, lots of juicy equipment to view..... Don N7EF _______________________________________________
- /archives//html/Amps/2017-02/msg00047.html (7,665 bytes)
- 4. Re: [Amps] SS amps watercooling - was PowerGenius XL (score: 1)
- Author: Big Don <bigdon39@gmail.com>
- Date: Wed, 15 Feb 2017 02:24:19 -0800
- Water-cooled amps HEALTH TIP -- There are enough ways to *electrocute* yourself playing with amps without having leaked water spraying everywhere.... Don N7EF ________________________________________
- /archives//html/Amps/2017-02/msg00097.html (8,298 bytes)
- 5. Re: [Amps] SS amps watercooling - was PowerGenius XL (score: 1)
- Author: Big Don <bigdon39@gmail.com>
- Date: Thu, 16 Feb 2017 20:33:19 -0800
- Apparently folks have been killed by 12v, but it's rare - link below (long) is good read. Read the whole thing, the better stuff is way down.... http://electronics.stackexchange.com/questions/19103/h
- /archives//html/Amps/2017-02/msg00110.html (9,812 bytes)
- 6. Re: [Amps] SS amps watercooling - was PowerGenius XL (score: 1)
- Author: Big Don <bigdon39@gmail.com>
- Date: Tue, 21 Feb 2017 07:27:10 -0800
- Might run another experiment to see how conductive initially distilled water becomes after spraying it onto the inside of a cabinet, and on some circuit boards. Collect the drainage in a pan, which n
- /archives//html/Amps/2017-02/msg00159.html (11,363 bytes)
- 7. Re: [Amps] Mobile Amps ? (score: 1)
- Author: Big Don <bigdon39@gmail.com>
- Date: Sat, 15 Apr 2017 09:57:03 -0700
- We recall stories of folks running mobile *QRO* shutting down the car over in the adjacent lane..... -Don- N7EF _______________________________________________ Amps mailing list Amps@contesting.com h
- /archives//html/Amps/2017-04/msg00113.html (10,374 bytes)
- 8. Re: [Amps] FW: MLA2500 Power Switch (score: 1)
- Author: Big Don <bigdon39@gmail.com>
- Date: Wed, 14 Feb 2018 07:24:36 -0800
- If all else fails (no source) and you want to preserve original appearance, it's worth an attempt to repair the original switch. Might just need internal clean-up. We did this once on an expensive DP
- /archives//html/Amps/2018-02/msg00027.html (10,550 bytes)
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