Vintage 455C Noise generator
The 455C Noise generator was a rack mount source of white noise in the audio and ultrasonic frequency ranges. The noise spectrum was 20 to 100,000 Hz. with a 2 position low pass filter. 20 to 20,000 Hz. or 20 to 100,000 Hz.
This particular instrument was manufactured in June of 1969 and still has the original inspection tag attached, Hand stamped by our own Merrill Bancroft.
