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I never thought I would be writing about a headphone amplifier - a device we use every day and never give any thought. We use headphones in our business; it is our business, and we can be very particular about them as we know the quality of what we hear is reproduced by them. But do we give much thought on how we drive these headphones? I know I am a victim of "using what has been successful in the past." I learned my lesson after listening and comparing our existing headphone amplifiers with the Aphex Model 454 Head Pod.
The Head Pod is a compact headphone amplifier designed for those who need a loud and clean feed. The controls are cleanly laid out and what one expects in a headphone amp. The front has four 1/4" TRS output jacks fed by their own independent stereo amplifier, each with a separate gain control on top. Along with the individual gain controls is a master gain control on top. The back has the power connection for an external power supply, an input selector switch and two types of inputs.
It features one unbalanced 1/4" TRS jack for a left, right, ground feed and a second pair of balanced 1/4" TRS jacks for discrete left (mono)...