Brand Ampex
Type Micophone pre amp
Model Ampex 4010066-02

Check the listing for details. Ampex Microphone pre amp Cat. 4010066-02. Listed at 45.00 USD. This makes the preamplifier a variable gain device, capable of accommodating a wide variety of professional quality microphones. ±1 db, 50 Hz to 15,000 Hz (500 Hz reference) The unit can be used to drive any amplifier with a 100,000 ohm input impedance, at a 0.1 volt rms level.

$27.00
$45.00