MTR HPA-2 2 channel headphone amplifier
MTR HPA-2 Dual Channel Headphone Amplifier
Derived from the HPA-6 model, this smaller stand-alone version has one stereo input and one Aux. input, a Loudness button, and two headphone outputs, each with a volume control and a mono button. It is mains powered, with a rear panel on/off switch and fuse.
Multiple units can be scattered around the studio, and the Aux. input allows the electronic musician to set his own level relative to the foldback. Also used by club DJ's with mixers having an inadequate headphone amp. Specifications are as the HPA-6 except the Loudness button, which gives 6dB boost at 160Hz and 10KHz.
Weight is 2 Kg, dimensions are 225 (W) x 162 (D) x 70 (H) mm. As used by the BBC.