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My Ghost Echo won't self-oscillate!
Posted: Wed Aug 17, 2016 6:39 pm
by colossus
As the title says...
I just got one of these from a member here and I absolutely love it, but I was def excited for oscillation possibilities that I've read about/seen clips of on youtube. Even with my dwell and decay cranked, still no oscillation
Anyone else have this issue? Dwell also seems REALLY subtle. Is this par for the course with this pedal? I totally love it but it's def not as "soupy" as I was kinda hoping for.
Re: My Ghost Echo won't self-oscillate!
Posted: Wed Aug 17, 2016 6:40 pm
by 01010111
I've heard of any self-oscillating Ghost Echoes? Mine never got too crazy.
edit: I've never heard of...
Re: My Ghost Echo won't self-oscillate!
Posted: Wed Aug 17, 2016 7:02 pm
by Invisible Man
I didn't think these oscillated...I was pumped to think that they could, though. Will be watching this thread with interest.
Re: My Ghost Echo won't self-oscillate!
Posted: Wed Aug 17, 2016 7:23 pm
by bob the r0bot
There might be a trimpot inside that controls the feedback range you could tamper with.
Re: My Ghost Echo won't self-oscillate!
Posted: Wed Aug 17, 2016 7:38 pm
by colossus
No trimpot, already checked. I don't know...a few reviews mentioned oscillation and I saw a demo here and there that got a bit more wild than mine with decay/dwell cranked. Manual also mentions oscillation.
Re: My Ghost Echo won't self-oscillate!
Posted: Wed Aug 17, 2016 9:17 pm
by Ev_O)))
Yeah my mates one self oscillates dramatically. Pretty insane.
Re: My Ghost Echo won't self-oscillate!
Posted: Wed Aug 17, 2016 10:11 pm
by UglyCasanova
Maybe try changing the PT2399?

Re: My Ghost Echo won't self-oscillate!
Posted: Wed Aug 17, 2016 10:43 pm
by colossus
Yeah, that's worth a shot. I have a bunch. Can't hurt at least!
Re: My Ghost Echo won't self-oscillate!
Posted: Thu Aug 18, 2016 12:06 am
by taco satori
Had a big box Ghost Echo that definitely oscillated before I got anywhere close to the full turn of the knobs. Chip? Tweaks to the corcuit for the smaller version? Larger box mojo oscillation toan?
Re: My Ghost Echo won't self-oscillate!
Posted: Thu Aug 18, 2016 1:11 am
by bob the r0bot
It's totally possible that they tamed it back in a later board revision. It might be worth asking mr earthquaker if that's the case and busting out the soldering iron.
Re: My Ghost Echo won't self-oscillate!
Posted: Thu Aug 18, 2016 2:04 am
by Ev_O)))
Yeah big box or small? My mates is a big box
Re: My Ghost Echo won't self-oscillate!
Posted: Thu Aug 18, 2016 9:18 am
by colossus
Small box. I'll try a new chip and if no dice, I'll email EQD. I found a thread about DIY ghost echos and they mention swapping a certain resistor for more feedback.