Hanging microphones for permanent installation in choir and similar performance venues

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Choir microphones have always presented a unique design and installation challenge – the traditional solution is to use an angle guide on the microphone’s lead to aim towards the performance venue. The problem with this approach is that either a very small microphone had to be used to keep aimable weight within practical limits – or locate the microphone’s electronics at some considerable distance from the element – inviting losses and noise. The ChoirMic™ Series solves all of these problems. Our hanging choir microphones provide pristine audio quality without spotlighting and more gain before feedback while picking up almost no sound from the rear of the microphones. They are ideal for miking choirs and orchestra or band in front of the choir.

  • 30kHz flat frequency response
  • No spotlighting
  • Uniform frequency response on or off axis
  • More gain before feedback
  • Picks up almost no sound from the rear of the microphone
  • Electronics housed in microphone
  • Prevents RFI
  • Mini-gooseneck allows quick and easy positioning
  • Comes with 30 foot balanced, twisted pair Canare cable
  • Available in black and white
  • Custom cable lengths available
  • Does not come with XLR (order accessory C30-XLR for installed male XLR)

C30/C-W 30 kHz cardioid hanging ChoirMic™ in white

C30/C-B 30 kHz cardioid hanging ChoirMic™ in black

C30/HC-W 30 kHz hypercardioid hanging ChoirMic™ in white

C30/HC-B 30 kHz hypercardioid hanging ChoirMic™ in black

Frequency Response: 30Hz to 30kHz ±2dB at 12 inches (30.5cm)

Polar Pattern: Cardioid or Hypercardioid

Sensitivity: 20mV/Pa (-34dBV/Pa)

Power Requirements: 48V Phantom, 10mA

Max Acoustic Input: 139dB SPL

Output: XLR (pin 2+)

Output Impedance: 65Ω balanced (between pins 2 & 3)

Min Output Load: 600Ω between pins 2 & 3

Noise: 16dB SPL equivalent (A weighted)

Dimensions L x D: 324mm x 22mm (12.75 x .860 inches)

Attached Cable: 30 feet (9.14m) Canare Star Quad

Weight: .22 lb. (100g) microphone only
1.2 lb (544.3g) microphone with 30′ cable

C30-CCL Custom length mic cable for ChoirMic (Canare StarQuad™)
C30-XLR Installed XLR-Male on ChoirMic™ Series microphone cable
PW1 Foam Windscreen

I am having issues with phantom power load issues when using Tesira Forte DSP. What is the solution?

When using a Tesira Forte DSP with Earthworks microphones, we recommend using an external phantom power supply, such as a Whirlwind MicPower, in line with our microphones. Earthworks microphones require 10mA, and the Tesira Forte can only supply 7mA per Audio channel. Ensure that the phantom power on the DSP is disabled when using an external phantom power supply.