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Préampli pour têtes de lecture moving coils.
Composants
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R1-5= 100ohm 1% 1/4W |
R9...12= 47Kohm 2W |
S1-2= DIL Switch |
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R2-6= 150ohm 1% 1/4W |
R13-14=1Mohm 1% 1/4W |
J1...4= RCA Jack |
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R3-7= 33ohm 1% 1/4W |
C1-2= 1uF 250V MKT |
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R4-8= 12ohm 1% 1/4W |
V1-2= ECC88 - 6DJ8 |
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Composants
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R1= 180Kohm |
C2-4= 300uF 250V |
D4= 24V 0.5W zener |
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R2= 33Kohm |
C3= 100nF 400V MKT |
D5-6-7= 1N4148 |
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R3= 27Kohm |
C7= 1uF 100V MKT |
Q1-3= TIP122C |
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R4= 8.2Kohm |
C8= 2.2uF 63V MKT |
Q2= BD340 [MJE340] |
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R5= 56ohm 2W |
C9= 22uF 100V |
IC1= TL071-TL081 |
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R6= 3.3Kohm 2W |
C10-11-15-17= 10uF 63V |
IC2= LM317 |
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R7= 18Kohm |
C12= 100uF 25V |
TR1= 4.7Kohm trimmer |
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R8= 100Kohm |
C13= 4700uF 25V |
GR1= 400V 1A |
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R9= 120ohm |
D1-2-8= 1N4007 |
GR2= 80V 3A |
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C1-5-6-14-16= 100nF 250V MKT |
D3= 30V 0.5W zener |
T1=230VAC//A=100V@ B=8V/2A |