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CardioidShure PG27-USB

Cardioid Condenser Microphone

The PG27-USB is a large-diaphragm condenser microphone with an onboard 16-bit, 48 kHz ADC and USB audio output. It is the USB version of Shure’s PG27, and shares most of its components and circuitry with that microphone.

The 35mm capsule has a diaphragm diameter of 27mm.

The mic has a switchable -20dB pad and three rotary controls:

  • Mic gain
  • headphone volume
  • monitor mix

An onboard 1/8-inch audio jack allows “zero-latency” monitoring of live audio. Its output volume, and its mix relative to a prerecorded track can be adjusted via two thumbwheels indicated above.

A three-color LED (located near the gain control, on the side of the microphone) can be used to monitor the signal level:

  • Off: -30dB FS
  • Green: -30dB–-12dB FS
  • Yellow: -12–0dB FS
  • Red: above 0dB FS (clipping)

A second LED, immediately below the Shure logo, lights up green to indicate the presence of appropriate USB bus power.

The PG27USB includes a 3m USB cable, a metal “ring mount” mic clip, and a zippered storage pouch.

The mic is compatible with the “ShureLock” A27SM elastic shockmount and A32WS windscreen (available separately).

The PG27USB is manufactured in China to Shure’s design specifications.

Permalink: Shure PG27-USB

The mic was released in 2009.


Frequency Response - CardioidClick Graph to Compare!
PG27-USB Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (n/a mV/Pa; 20 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 27mm
Capsule diameter: 34.9mm
Diaphragm gauge: 6 microns
n/a Max SPL: 144 dB
Weight Length Max Diameter Interface(s)
452g (15.94oz) n/a n/a
  • USB (1)
Power Specifications

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