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continuously variable pattern selectionBrauner VM1S

Multi-Pattern Tube Condenser Stereo Microphone

Originally released in 1999, the VM1S is a stereo tube microphone designed by Dirk Brauner. It consists of two matched VM1 large-diaphragm, multipattern tube mics in a single housing. The top capsule can be rotated in relation to the bottom, allowing for an infinite number of stereo variations, including:

  • XY, coincident stereo
  • Mid-side stereo
  • Blumlein stereo

The mic has used a variety of tubes since its inception, including NOS Telefunken EF806S, E80F, and currently EF732. All tubes are carefully selected for tonality and low noise. Note that this stereo mic uses two tubes.

The amplifier is a class-A circuit. No high-pass filter is provided, but there is a -10dB pad on the power supply.

The VM1S ships with a stereo mic cable, a suspension shockmount (p/n BMS1), a dual, multipattern power supply, and an aluminum flight case.

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The mic was released in 1999.


Pickup Patterns Pads & Filters
X/Y Stereo (28 mV/Pa; 20 - 20,000 Hz)
Mid-Side Stereo (28 mV/Pa; 20 - 20,000 Hz)
Blumlein (28 mV/Pa; 20 - 20,000 Hz)
  • Pad: -10dB (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diameter n/a
n/a Max SPL: 142 dB
Self-noise: 11.0 dB(A)
Weight Length Max Diameter Interface(s)
n/a n/a n/a
  • 3-pin XLR male (2)
Power Specifications
  • Includes tube power supply

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