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The Edwards Audio Apprentice HA is a single input, op-amp based design with a fully discrete output stage. The inputs are standard RCA sockets.
Designed to have a very low output impedance it uniquely features a fully regulated power supply which both lowers noise and increases the dynamic range. The pre-amp section is now totally active with improved RF rejection and it now has an op-amp based output buffer stage with additional discrete output driver stage. It will happily drive all known types of headphone with ease with its >1W maximum output into 32 Ohms. This is no standard headphone amplifier.
The headphone output jack is a professional quality 6.3mm 1/4” Neutrik type which will prove very robust over many years of use.
The sound quality is totally effortless with big out of the head imaging with clean clear fatigue free dynamics which creates a very musical performance that totally belies this diminutive box. This actually makes headphone listening enjoyable.
It has all the usual Edwards Audio styling and high quality components, but most importantly is also covered by our 10 year guarantee.
With an incredible £119.95 UK price tag this is sure to upset more than a few apple carts.
|Specificatii||Max Input line 5V RMS
THD Distortion 20-20kHz <0.005%
Signal to noise ratio Frequency response 10-100kHz within -3dB
Stereo separation better than 75dB − 20-20kHz
Input Loading 27K
Dynamic Range 108dB
Output impedance <1 Ohm
Max output level 1W into 32 Ohms
Dimensions WxHxL 115mm x 37.5mm x 160mm
Weight 0.28Kg Excl PSU
Power consumption 3.5W