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16th October 2004, 03:18 PM
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diyAudio Member
Join Date: Dec 2002
Location: Denmark, Fredericia
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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. Specifications * 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!
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