Tube DIY Asylum

Posted by cheap-Jack (A) on June 30, 2008 at 11:31:13

In Reply to: RE: Switching PS for filaments posted by gluca on June 28, 2008 at 12:32:23

Hi.

Why digital PS? Yes, it is cheap to buy & small & light to handle.

But don't overlook the free bonus come with it - RFI.

All switching gears emit RFI which can be detected with a radio & measured by a wideband powerline noises meter.

That said, I am using switching PS as a highly efficient regulated charger for the 6V SLA cell which actually powers the tube heaters of my phonostage. 100% zero rippling DC. Save the wallet wrecking & back breaking bulky iron loaded heater filters.

But the switching PS is switched off & 100% electrically disconnected & isoslated from the cell whenever the amp is on.

So no more RFI dilemma.

c-J

• Ok ... but - gluca 12:25:47 06/30/08 (11)
  • So you're not doing yrself a favour. - cheap-Jack 12:41:30 06/30/08 (10)
    • You telling me ... - gluca 13:38:59 06/30/08 (9)
      • No, I never tell you that. - cheap-Jack 13:55:34 06/30/08 (8)
        • CJ... - gluca 14:15:09 06/30/08 (7)
          • RE: CJ... - . 15:59:51 06/30/08 (6)
            • RE: VT127A - thermionic addictions 10:33:05 07/01/08 (4)
              • RE: VT127A - . 12:05:25 07/01/08 (3)
                • RE: VT127A - thermionic addictions 13:40:54 07/01/08 (2)
                  • RE: VT127A - . 15:54:23 07/01/08 (1)
                    • RE: VT127A - thermionic addictions 14:01:46 07/02/08 (0)
            • I will try ... - gluca 02:06:20 07/01/08 (0)

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