This is a working vintage  AUDIOMETER, made in UK by A Peters and Sons, model B.D. Pleaase read condition description and check photos that are part of this listing

It is actually a tone generator with adjustable attenuator and a headphones mono amplifier in pp mode, using tube circuitry. All parts like carbon resistors, Hunts capacitors etc were made in UK in the 40's-50's. Similar parts can be seen in QUAD II tube amplifiers

Due to it's age it is offered as a source of vintage audio parts or for collection-experimentation only, not for any medical application..

Will ship from Europe, using a parcel service, shipping will be flat usd 120, tracking available, to any destination.