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Soundelux R-1

Pricing & Availability

  • MSRP: $599
  • Discontinued


R-1 Documentation

CardioidSoundelux R-1

Cardioid Condenser Microphone

The Soundelux R-1 was a transformerless FET condenser microphone with a large-diaphragm capsule. It was designed “primarily for on-air broadcast talent,” according to product literature.

Soundelux R-1The mic was reportedly manufactured in China, and used a Chinese-made K67-style large-diaphragm capsule.

The circuit board was populated with through-hole components, including high-end WIMA capacitors.

The mic was very low-noise for its time, with a self-noise rating of 9dBA.


Its exceptional SPL handling make it a natural for close micing drums of any kind, as well as electric bass or electric guitar. Thick, rich tone helps it excel as an inexpensive vocal mic. For those field recordists who want the power and impact only a large diaphragm can deliver, its lightweight, low power consumption and internal pop filter make it ideal.

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Frequency Response - CardioidClick Graph to Compare!
R-1 Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Cardioid (20 mV/Pa; 20 - 18,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Diaphragm gauge: 6 microns
50 Ohms (Low) Max SPL: 138 dB
Self-noise: 9.0 dB(A)
Weight Length Max Diameter Interface(s)
430g (15.17oz) 146mm (5.75'') n/a
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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