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CardioidSterling Audio ST77 FET

Cardioid Condenser Microphone

The Sterling ST77 is a large diaphragm FET condenser with a transformer-coupled output and a fixed Cardioid pickup pattern.

Unlike most of the LDCs in the Sterling product line, the ST77 forgoes the company’s proprietary “disk resonator” capsule, in favor of a standard single diaphragm — although heavier than is typical, at 8 microns.

The published size, 25mm, refers to the diaphragm diameter. We assume the capsule’s outside diameter is 32mm (unverified).

ST77 in ShockmountThe mic ships with a foam windscreen, an elastic shockmount (p/n SM-7) and a wooden storage case.

Permalink: Sterling Audio ST77

Specifications

Pickup Patterns Pads & Filters
Cardioid (28 mV/Pa; 20 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Capsule diameter: 32mm
Diaphragm gauge: 8 microns
200 Ohms (Low) Max SPL: 134 dB
Self-noise: 18.0 dB(A)
Weight Length Max Diameter Interface(s)
907g (31.99oz) 241mm (9.49'') 61mm (2.40'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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