Search found 24 matches

by arjepsen
26 Dec 2014, 12:12
Forum: Modern Stompbox Effects (1975 - ...)
Topic: Carl Martin - Quattro [schematic]
Replies: 18
Views: 16399

Re: Carl Martin - Quattro [schematic]

Bernardduur wrote:
DLY.JPG
Looking forward to the guts :-)
I'm a little confused about the connection "bubbles" on the cd4520's
Does those cirkles just mean that those pins are connected, or do they signify something else?

Regards
Anders
by arjepsen
18 Dec 2014, 14:28
Forum: Modern Stompbox Effects (1975 - ...)
Topic: Carl Martin - Quattro [schematic]
Replies: 18
Views: 16399

Re: Carl Martin - Quattro [schematic]

So, how many different settings/timings will the tap-circuit provide?
I can count 7 obvious settings, but is the circuit able to combine switches?
I guess my question is about how precise the tap circuit is. If its only 7 settings, i guess its not that precise...???
by arjepsen
17 Dec 2014, 03:09
Forum: Modern Stompbox Effects (1975 - ...)
Topic: Carl Martin - Quattro [schematic]
Replies: 18
Views: 16399

Re: Carl Martin - Quattro [schematic]

Thanks a lot. Im looking at the tap tempo and echo circuits. The delay seems like a straight forward pt2399 delay. I might try to add the tap tempo to the pt80 i build from the GEneral Guitar Gadgets website. Im a little curious though... Seems like the quattro delay can go up to one second. The pt8...
by arjepsen
26 Jun 2010, 15:47
Forum: Capacitors
Topic: Recomendatios for cap,res type for "Thor" pedal
Replies: 4
Views: 5226

Re: Recomendatios for cap,res type for "Thor" pedal

Actually, I think there is an audible difference for _some_ of the caps in the circuit. I've played around with some caps on the breadboard, and for some caps there was no difference, and for others there were a clear difference between different type of caps. It wasn't any BIG change, but still eno...