Furman HA6AB Headphone Amplifier

The HA 6AB HeadphoneMonitor Amplifier is a unique combination of a headphone amp and a conventional power amp. This combination of functions can save the expense of an extra power amp in many recording studios. The HA 6AB is basically an economical 20 watt per channel stereo amplifier. Unlike a conventional power amp, however, it has six headphone outputs stereo phone jacks on the front panel, each with an associated volume control. When used for overdubbing or rehearsal, this provides more than adequate loudness in all headphones even older low impedance models, and allows each musician to set his or her own comfortable volume level. When the overdubbing is complete and the musicians remove

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their headphones, the HA 6AB can power the tape playback through either or both of two sets of studio monitor speakers, selected by pressing front panel pushbuttons. Without the HA 6AB, a separate amp would be needed for the studio speakers. The HA 6AB also features a convenient input level control on the left side of the front panel. A pair of yellow LEDs one for each channel light up whenever signal is present threshold 28 dBu. Another pair of red LEDs show an overload condition in either channel. The Furman HA 6ABs 20 watts per channel make it ideal as a low distortion headphone driver for the most critical listening situations. While most headphone amps provide half a watt or less per headphone channel, the HA 6ABs higher power can drive headphones of any impedance to their full rated listening level, and do so with minimal noise and distortion. Its power capacity is also just right for the small cube reference speakers used in most recording studios as a comparison with the main control room monitors it can power them without overpowering them. On the studio floor, a set of small monitor speakers driven by the HA 6AB can make a session progress more efficiently by giving the musicians a chance to hear a playback without needing to disconnect themselves
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