Ultralite AVB headphone impedance

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pinup57
Posts: 2
Joined: Thu Oct 25, 2007 3:30 am
Primary DAW OS: Unspecified

Ultralite AVB headphone impedance

Post by pinup57 »

Hi there,

I'm about to order an Ultralite AVB and decided to throw in a set of Beyer Dynamics BT770 Pro earphones. These are available in three flavors: 32, 80 and 250 Ohms. MOTU spec sheet por the Ultralite AVB mentions 80mW output power for the headphone driver. Theu do not specify a recommended load. Will the amp be adequate to drive the 250 Ohm version of the BT770 or should I rather go for the 80 Ohms version? The cans will be used for tracking in a rather quiet environment, I already own a decent set of open-back headphones for late-night mixing

Thanks in advance for your insight
Dirk
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