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9 polar patternsSuperlux CMH8G

Multi-Pattern Tube Condenser Microphone

The CMH8G is a 9-pattern large-diaphragm vacuum tube condenser.

The capsule is a K67 derivative, likely with a 32mm outside diameter. The diaphragms are made of 3-micron Mylar.

The mic has a transformer-coupled output. The tube model is not specified.

The mic’s self-noise is excellent for a large-diaphragm tube mic, at 14dBA in Cardioid (18dBA Omni/Figure 8).

The CMH8G ships with its power supply, cables, shockmount, hard mount, and foam windscreen in a padded flightcase.

The Superlux CMH8G is also known as: CM-H8G.

The mic was released in 2004.

Specifications

Pickup Patterns Pads & Filters
Omnidirectional (25 mV/Pa; 30 - 20,000 Hz)
Cardioid (40 mV/Pa; 30 - 20,000 Hz)
Bidirectional (25 mV/Pa; 30 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Diaphragm gauge: 3 microns
200 Ohms (Low) Max SPL: 146 dB
Self-noise: 18.0 dB(A)
Weight Length Max Diameter Interface(s)
550g (19.40oz) 200mm (7.87'') 55mm (2.17'')
  • 3-pin XLR male (1)
Power Specifications
  • Includes tube power supply

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