BSIABS II new built, little quirks

Started by ginomolinari, June 17, 2010, 01:22:09 AM

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ginomolinari

Hy everybody,

new here. I've just put together a BSIABS II from GGG. Just got the pcb from them and ordered all the parts form Small Bear. Sounds pretty good, voltage at transistors pins is accurate. I did deviate from the original bill of material and ordered all the main caps as Mallory 150 at 630v. I wanted to see if it would sound more Marshall...  it's huge!

Anyway, I have few questions for all of you that have built the same pedal.

1- volume is lower than bypass until 12 o'clock
2- volume is low if drive is below 9 o'clock
3- I measured almost 9v at LED, which of course doesn't work

Is this normal?

Any help would be much appreciated. Thank you.

Gino