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Distortion only with certain notes and frequencies?!?

post #1 of 4
Thread Starter 

Phones: AKG Q-701

DAC/Amp: Nuforce Icon HDP

Aprox 100 hours of burn in with music + white/pink noise

 

Short but sweet background:

 

Have a small studio for music production with hard/soft synths and have noticed that certain notes and frequencies seem to distort my Q-701's but not my Yamaha monitors which run on a focusrite DAC. Nothing distorts in the low end but once I start to play notes in the higher frequencies I get distortion BUT if I go 1 note higher the distortion ceases. I don't play particularly loud and don't over emphasize the bass. 

 

Could I have blown one of the drivers? But then why wouldn't it sound distorted upon the notes prior to and after the one that seem to cause the distortion?

 

Appreciate you taking the time to read this and hopefully respond. 

post #2 of 4
Thread Starter 

- Seems to only be happening around the A5 key (With some frequency modulation) but OK if I go higher.

- Does happen with either headphone cable

- Doesn't matter if DAC plugged into the laptop directly or connected thru a USB powered hub.

- Only seems to be affecting the right side

- Also happens when headphones plugged into the laptop (but pushed hard because its not powered all that well)

- Does not affect my TMA-1 Studio heaphones even with the amp @ the same vol (laptop vol down)

 

Still getting a tinny sound. Any thought would be much appreciated.


Edited by wetsounds - 11/10/13 at 12:59pm
post #3 of 4
Thread Starter 

So pretty sure its not a blown driver.. I would think the Nuforce would be able to drive the AKg's no?

post #4 of 4
Thread Starter 

Anyone?

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