Quickie makes music sound "blown"

modestmeowth · 2961

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Offline modestmeowth

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on: June 01, 2014, 09:43:37 AM
I currently have a Uberfrost dac running into the Quickie then from there into a Crack all feeding a pair of HD800. Some tracks get this weird blown speaker sound that I do not get just running the Crack without the Quickie. Is there somewhere I should look to fix this?



Offline Paul Birkeland

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Reply #1 on: June 01, 2014, 09:46:09 AM
There's certainly the possibility that if you're running the Quickie wide open, you may be overdriving the 3S4.  (IE - turn the level control down a bit on the Quickie)

This would be supported by the "blown" sound occurring during loud passages regardless of the level set on the Crack itself.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man


Offline Grainger49

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Reply #2 on: June 01, 2014, 09:48:26 AM
I'll throw in with Paul.  Clipping sounds a lot like a blown driver.



Offline Doc B.

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Reply #3 on: June 01, 2014, 09:55:36 AM
I currently have a Uberfrost dac running into the Quickie then from there into a Crack all feeding a pair of HD800. Some tracks get this weird blown speaker sound that I do not get just running the Crack without the Quickie. Is there somewhere I should look to fix this?

Sure, take the Quickie out of the system. It's giving you too much gain and you don't need it in there. If you must have it in there turn down the volume on the Crack. That will keep the Quickie from overdrivng the 12AU7 in the Crack.

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.


Offline modestmeowth

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Reply #4 on: June 01, 2014, 10:33:33 AM
I currently have a Uberfrost dac running into the Quickie then from there into a Crack all feeding a pair of HD800. Some tracks get this weird blown speaker sound that I do not get just running the Crack without the Quickie. Is there somewhere I should look to fix this?

Sure, take the Quickie out of the system. It's giving you too much gain and you don't need it in there. If you must have it in there turn down the volume on the Crack. That will keep the Quickie from overdrivng the 12AU7 in the Crack.

I would love to keep the quickie in the system given that the bass it adds is pretty awesome. Is there a away to alter the wiring for lower gain? Instead of a 12au7 I am running a E80CC if that makes a difference.
« Last Edit: June 01, 2014, 10:36:12 AM by modestmeowth »



Offline Paul Birkeland

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Reply #5 on: June 01, 2014, 11:49:18 AM
I would love to keep the quickie in the system given that the bass it adds is pretty awesome. Is there a away to alter the wiring for lower gain? Instead of a 12au7 I am running a E80CC if that makes a difference.

Yes, turn down the level control before the stage that's clipping.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man