Search found 4 matches
- 07 Dec 2007, 05:46
- Forum: Boutique Stompboxes dissected...
- Topic: Toneczar - Openhaus (anyone dissected yet?)
- Replies: 26
- Views: 8403
- 25 Nov 2007, 04:56
- Forum: Vintage Stompbox Corner ( ... - 1975)
- Topic: Sola Sound - Tonebender Mark II Professional [schematic]
- Replies: 693
- Views: 354959
NPN SI: in this setup as well as in my other configs, I used a 100K pot for the bias so I could always dial in the 'correct gain'. I tried 2N2222, 2N4401, MPSA13, 2N3904 and 2N5088/9. Finally settled for Q1 = 2N2222; Q2 = 2n4401; Q3 = 2N5088. Very low gain silicons didn't work - say hfe < 100 are y...
- 23 Nov 2007, 13:59
- Forum: Boutique Stompboxes dissected...
- Topic: Zvex - Woolly Mammoth [traced]
- Replies: 525
- Views: 203451
if you want the fuzz at maximum you dont use a resistor, you use a jumper. using a resistor sets it at minimum! thanks for the info, i actually followed your layout for the two knob version. so following that r4 (value: 2.2k) should be a jumper? i'll try this later on. maybe even with a pot just to...
- 22 Nov 2007, 07:51
- Forum: Boutique Stompboxes dissected...
- Topic: Zvex - Woolly Mammoth [traced]
- Replies: 525
- Views: 203451
hello all, first post here. i built the two knob (vol/tone) version of this the other day with a resistor to set the fuzz at maximum. it's quite a beast and single note/lead lines sound awesome. i'm not as psyched about playing chords, as it seems to out-muff any and all big muffs. not enough defini...