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Which Ohm limit for driven cans by Headamp Pico

post #1 of 2
10/25/10 at 8:51am
Thread Starter 

All,

 

I want to move to high-end cans and want tod rive them with my pico. Wonder which limit I should get up to interms of impedance?

Knowing that I want to use my pico for more than 5 mins ;-)

 

txs for any advice

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post #2 of 2
12/1/10 at 2:11am
Quote:
Originally Posted by Jesse 173451 View Post

All,

 

I want to move to high-end cans and want tod rive them with my pico. Wonder which limit I should get up to interms of impedance?

Knowing that I want to use my pico for more than 5 mins ;-)

 

txs for any advice


Higher impedance is actually easier for the amp & battery life (consider the result if you connected the output of the Pico to another amplifier -- likely 10K to 100K ohms).  You need to know the sensitivity of the headphone.  There are 120 ohm headphones that are significantly harder to drive than some 300 ohm headphones.

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