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TNC Audio ACM-4

Pricing & Availability

  • MSRP: n/a


Reviews & News

ACM-4 Documentation

BidirectionalTNC Audio ACM-4

Bidirectional Ribbon Microphone

The ACM-4 is a dual-ribbon microphone, manufactured by ShuaiYin (see their SYR50). It is likely identical to the Apex 215 and Avant CR-14 (see the sidebar).

(Photo courtesy drBill)

The TNC Audio ACM-4 is also known as: ACM4.

The mic was released in 2008.


Pickup Patterns Pads & Filters
Bidirectional (2.2 mV/Pa; 30 - 18,000 Hz)
Ribbon Construction Impedance SPL/Noise
dual aluminum ribbons n/a
Weight Length Max Diameter Interface(s)
n/a n/a n/a
  • 3-pin XLR male (1)
Power Specifications

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