DIY - Quad 34

DIY - Change capacitors - Quad 34

Change capacitors

Quad 34 Preamplifier






Number 17644 manufactured between 1986 and 1987



pdfQuad 34 Service Manual V1.2 34-pages

pdfQuad 34 Service Data Manual 37 pages

pdfQuad 34 Owners Manual V1 17-pages

pdfQuad 34 Owners Manual V2 17-pages

danger


Symptoms: faulty interference suppressor, noises when the preamplifier is switched off.
Restitution lacking in dynamism. If you want to have a device that is musical, do not hesitate a second because the simple fact of changing this type of component will radically transform your device. It will be a rediscovery of your favorite records!

DIY - Change capacitors




Preferably choose capacitors (105°c).


quad 34 restoration

quad 34 restoration

quad 34 restoration

quad 34 restoration

quad 34 restoration

A faulty RIFA suppressor capacitor!


RIFA Capacitor PME271M Series / MP Type (Metallized Paper Film Capacitor) Class X2:
for direct use on 230VAC mains (IEC 60384-14)

List of new capacitors.
Names Capa µf Volts Temp (°c)
C10 100 35 105
C11 100 35 105
C16 100 35 105
C17 100 35 105
C18 2.2 63 85
C22 2.2 63 85
C30 100 35 105
C31 100 35 105
C48 100 35 105
C54 100 35 105
C57 100 35 105
C58 22 100 85
C59 100 35 105
C69 100 35 105
C74 1000 35 105
C77 100 35 105
C78 100 35 105
C84 22 100 85
C89 100 35 105
C90 100 35 105
C91 100 35 105
N1 RIFA 0.047 + 100R 275