Re: DeadAstronaut's Chasm Reverb
Posted by traktop on
URL: http://guitar-fx-layouts.238.s1.nabble.com/DeadAstronaut-s-Chasm-Reverb-tp30063p30857.html
This kind of layouts are great, so build friendly...
I was late to this one, so I built the other one around:
It fired up first time, but the damp knob works in reverse, so I guess I wired it wrong...
Used 2n5458´s and seemed to carry a certain amount of white noise when the damp knob is fully open... Is not that the effect is noisy all the time with a backround noise like the video, is more like when you hit an staccato chord you hear a blow sound that quickly fades out. Maybe a certain faulty cap?
Both 2N5458s drains read 4.08v from a source power supply of 8.97v.
The 2n7000 reads 8.20v at the drain.
I get a solid 4.99v going to the brick.
The TL074 reads at follows:
1 -4.09v
2 -4.09v
3 -3.67v
4 -8.19v (Vcc+)
5 -4.09v
6 -4.09v
7 -4.09v
8 -4.09v
9-4.09v
10-4.09v
11-0v (ground)
12-4.08v
13-4.09v
14-4.09v
It sounds great anyway. With the decay at full and the tone at 12 o´clock it feels like a tape echo washed on reverb.
I´m sure this would be great with a short brick too. I only tried long and medium ones, and always felt that it has too long of a decay time to start with.
That linear vol pot is smart, (I used a log one), as it seems that is going to be dialed always on the last quarter of the run, so you get more precission.
URL: http://guitar-fx-layouts.238.s1.nabble.com/DeadAstronaut-s-Chasm-Reverb-tp30063p30857.html
This kind of layouts are great, so build friendly...
I was late to this one, so I built the other one around:
It fired up first time, but the damp knob works in reverse, so I guess I wired it wrong...
Used 2n5458´s and seemed to carry a certain amount of white noise when the damp knob is fully open... Is not that the effect is noisy all the time with a backround noise like the video, is more like when you hit an staccato chord you hear a blow sound that quickly fades out. Maybe a certain faulty cap?
Both 2N5458s drains read 4.08v from a source power supply of 8.97v.
The 2n7000 reads 8.20v at the drain.
I get a solid 4.99v going to the brick.
The TL074 reads at follows:
1 -4.09v
2 -4.09v
3 -3.67v
4 -8.19v (Vcc+)
5 -4.09v
6 -4.09v
7 -4.09v
8 -4.09v
9-4.09v
10-4.09v
11-0v (ground)
12-4.08v
13-4.09v
14-4.09v
It sounds great anyway. With the decay at full and the tone at 12 o´clock it feels like a tape echo washed on reverb.
I´m sure this would be great with a short brick too. I only tried long and medium ones, and always felt that it has too long of a decay time to start with.
That linear vol pot is smart, (I used a log one), as it seems that is going to be dialed always on the last quarter of the run, so you get more precission.
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