Dynaco pat-4 preamplifier

Tested and Functional

Specifications:
Frequency response: 10Hz to 100kHz

Total harmonic distortion: 0.05%

Gain: 54dB (MM), 20dB (line)

Input sensitivity: 10mV (MM), 500mV (line)

Signal to noise ratio: 70dB (MM), 85dB (line)

Semiconductors: 8 transistors, 2 diodes

Dimensions: 13.5 x 14.25 x 9 inches

Weight: 10lbs