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Simple PSU for RIAA / m-magnet
Simple PSU for RIAA / m-magnet
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Old 16th October 2004, 03:18 PM   #1
lykkedk is offline lykkedk  Denmark
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Join Date: Dec 2002
Location: Denmark, Fredericia
Default 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!
DCG3 Dual DCSTB, R2R DAC in build (2 ReflectorD's (+5VDC/+3.3VDC) + SSLV1.1 (+/-12VDC))
AlephJ Mimi! http://www.diyaudio.com/forums/pass-...mimi-mini.html
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