The OBH 11 is a miniature audio amplifier, designed specifically to drive headphones (from 30 ohms to 300 ohms) from a line level source. The purpose is to eliminate the use of a full size amplifier for boosting the power, if only headphones are used.
An average output level CD player or Tuner can be connected directly to the input of the OBH-11, or it could also be used in conjunction with other OBH products, such as the OBH-8/9 Phono Pre-amps and OBH-12 passive Pre-amp.
It would also work with a stand-alone pre-amplifier or integrated amplifier without headphone output, connected in the tape loop.
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