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|16th October 2004, 03:18 PM||#1|
Simple PSU for RIAA / m-magnet
Hi i know, this is a odd. quistion, but is it possible to build a simple PSU for my Vellman RIAA :
RIAA stereo pre-amplifier for md pick-ups. Low noise.
* supply voltage: 10 -30VDC / 5mA regulated
* gain (1kHz): 35dB
* input signal: 5 - 10mV
* input impedance: 47Kohm
* PCB dimensions: 44 x 65mm (1.7" x 2.6")
I have this transformer : PRI --> 230VAC (Denmark) SEC --> 13Vac - 0Vac - 0Vac - 18Vac
I have some nice Diode recit.... and some dIfferent's CAP's eg.. 2200uF 35V .. 470uF 25V, But unfortunatly only one of each ... I know it's a odd quistion, but maybe some have tried this..
Thanks in advance!
F4, F5, Aleph-J, BoZoS, Pearl phono, Pumpkin pre. (partly working), The Drek, B1 buffer etc... etc..
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