Quadrophonic Microphone
QM 69
In the mid-70s quadraphonic sound became popular among hi-fi enthusiasts. The Neumann QM 69 was a variant of the SM 69 fet with four separate outputs for each half of the two dual diaphragm capsules.
QM 69
WARNING (for California residents only): This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects and other reproductive harm. For more information go to: www.p65warnings.ca.gov.
