Big Muff Pi speachless

Started by DUCKFACE, April 28, 2011, 08:06:26 PM

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DUCKFACE

Hello
i have a problem with one BMP. I'm using this schematic and this layout .
NO SOUND .... whats wrong ?

John Lyons

Yes.







(We are going to need more than "what's wrong?")
Se the "what to do if it doesn't work" sticky above)
Basic Audio Pedals
www.basicaudio.net/

LucifersTrip

always think outside the box

DUCKFACE

1.What does it do, not do, and sound like? - NO SOUND AT ALL
2.Name of the circuit - Big Muff Pi (2 versions)
3.Source of the circuit (URL of schematic or project) - http://www.tonepad.com/getFile.asp?id=95 (green and stock version)
4.Any modifications to the circuit? n
5.Any parts substitutions? If yes, list them. Y - 4nF replacet with 4.7nF AND 500pf replaced with 470pF in stock version
6.Positive ground to negative ground conversion? N
7. VOLTAGE IN = 8.63

t1 -
e 0.24
b 1.04
c 1.04

t2
e 0.27
b 1.07
c 1.07

t3
e 6.33
b 7.30
c 6.33

t4
e 0.25
b 1.05
c 1.05

t5
e 0.06
b 0.86
c 0.82

t6
e 0.11
b 0.93
c 0.84

t7
e 6.42
b 7.40
c 6.43

t8
e 0.18
b 1.04
c 1.01


d1
a 1.10
k 1.17

d2
a 1.17
k 1.10

d3
a 1.08
k 1.32

d4
a 1.32
k 1.08

d5
a 0.95
k 1.44

d6
a 1.44
k 0.95

d7
a 1.04
k 1.69

d8
a 1.69
k 1.04