[EMAIL PROTECTED] made an utterance to the drakelist gang ---------------------------------------------------------------------- GA Jim -
I am a bit confused. The RS series Astrons are conventional power supplies....Not switching. Do you mean the SS - 3ØM?
The cost of 25A power supply Rating of an SS-3Ø for continuous duty is probably more than you would pay for a PS-7 in good condition. So why go to the trouble and expense of using a PS not meant for your rig?
Let's also consider the fact that you would also have to purchase the proper Jones Plug to mate the PS with the TR-7, replace the fan on TR-7 with a 12VDC fan or run a separate AC line to the fan, provide a different switching arrangement if you run an amplifier, etc. etc.
Something to thing about. 73, Jay/AF2C At 11:53 AM 3/12/2007 -0700, you wrote:
Jim DiMauro <[EMAIL PROTECTED]> made an utterance to the drakelist gang ---------------------------------------------------------------------- I've used a switcher with my TR-7 for as long as I've owned it (about three years) and I've never had either a noise or performance problem. I can't imagine why it wouldn't be recommended. I'd also like to hear the details as to why a switching supply might not be recommended for the TR-7 if anyone can provide them. FWIW, my supply is an Astron RS-30M. Jim W2BVM --- David Drake <[EMAIL PROTECTED]> wrote: > Hi all, > I'm interested in hearing the pro's and con's > regarding using a switching power supply with a > TR-7(a). I remember this question coming up on the > Sunday PM technical net some time ago, but forgot > the details. > As I recall, it is not recommended, but don't > remember why. > Thanks > David > Wd9cmd
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