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Setting up my new CDP which has a headphone jack. It has a setting "HP AMP Gain", with low, middle and high settings, according to impedance. My Denon AH-D2000 have an impedance of 25 Ohms. Is this considered high or low impedance?
My amp has 6 impedence options from 25ohm to 400ohm. The manual says that some headphones will sound better depending on the setting so to try all the settings for the best sound.
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Yes, but some low impedance headphones are a little more difficult to drive. For example, the AKG K702 and K702 headphones are rated at 62 ohms, but they do much better with an amp's medium or high gain setting. This depends in part on how powerful the CD player's headphone amp is.
Therefore, I would suggest picking a recording you know well and seeing whether your headphones sound better on the low or medium gain setting.,
Don't know what those CDP settings represent but with 25 Ohm headphones I'd probably use the "low" setting.
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