How do these pinouts look? (another BSIABII post...sorry)

Started by jmaund38, January 24, 2006, 03:34:19 PM

Previous topic - Next topic

jmaund38

Sorry for yet another BSIAB post, but I am still having a little trouble.  The pedals sounds phenomonal except for when I play anything above the 12th fret on the low E string with the switch flipped to rhythym.  It loses its distortion and sort of humms the note, I guess I could say it loses its balls.  When I max out the tone and drive pots, the notes begin to get thier gain back, but then the distortion is way to heavy for everything else.  I tried to bias the transistors to the values, but it turns out that I dont know anything...when I try to bias one, I mess up the pinouts of another one.  So I changed everything back to theyre original values.  My new pinouts are:

      Q1             Q2                Q3                 Q4             Q5

G    0             2.55                 0                2.53              0
S    .59           4.32                .07              3.81            1.02
D   4.32          7.61                3.81            7.60            3.20

The real values are posted here http://www.generalguitargadgets.com/diagrams/bsiab2_voltage_diagram.gif
the schematic is here http://www.generalguitargadgets.com/diagrams/bsiab_2_sc.gif
the parts layout is here http://www.generalguitargadgets.com/diagrams/bsiab_2_lo.gif

Does anything seem wrong with those pinouts? 
If not, are there any components that I can change to rid me of this problem?
It sounds like it just doesnt want to distort the bassier notes.

I am playing through a gibson SG into a 15 watt practice amp, but I still have the same problem with my LP into a Marshall 50 W 1987X tube head.


Suggestions are greatly appreciated


jmaund38

Hmm, im beginning to think that the reason for this strange bassy humming is because of the fact that I use humbucker pickups instead of single coils.  I see that most people on here play fenders.  But Im still confused about my Q3 pinouts, especially the S pin.  It seems pretty low.  And then again the Q3 and Q5 G pins read nothing.  Any thoughts on this?

aron