Hafler HA75 Headphone Amplifier Reviewed

July 29, 2015 § Leave a comment

http://goo.gl/jS8PN4 Read Here

“. I could also pump up the gain even more by reducing the Feedback setting. Output impedance is rated at 20 ohms, which in my opinion is a suitable spec. (Higher output impedance minimizes level differences among headphones and protects against shorting; lower output impedance improves damping factor and minimizes the effect of the headphone amp on the frequency response of the headphone.)”

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