Audio Obscurity: The VSC Analog Pitch Correction System C. 1980

Download four pages of documentation regarding the M8 series of analog pitch-correction devices from the VSC corporation:

DOWNLOAD: VSC_Ana_Pitch_Cntrl

There were three models of these devices offered:  the ready-made M8-C (above), which offered a pitch-shift range of 0.6x to 4.0x (with glorious 300-5Khz bandwidth); the M8-A was a expansion-only module, and the M8-B was a compression-only module.

If the idea of completely analog real-time pitch-shifting is not wacky enough for ya, how about mechanical pitch shifting?  See this earlier post…