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CardioidSontronics Aria

Cardioid Tube Condenser Microphone

The Sontronics Aria is a cardioid tube condenser microphone designed primarily for vocal recording. It replaces the Omega in Sontronics’ product lineup.

The capsule is described as a 1.07'' edge-terminated model, which we understand to be a 34mm O.D. with 27mm diaphragms. According to Sontronics founder Trevor Coley, only the front diaphragm is metallized.

The mic’s tube is described as an Eastern European 12AX7/ECC83. MusicTech magazine further identifies it as “a JJ-branded valve made by Tesla in the Slovak Republic.”

The mic’s power supply, model name SPS-2, includes a 2-position switch for pad (0, -10dB) and a 2-position switch for HPF (linear, 75Hz rolloff).

The mic is shipped in a wooden storage case, inside an aluminum suitcase with elastic shockmount, a hard mount, the SPS-2 power supply, and all necessary cables.

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The mic was released in 2014.


Pickup Patterns Pads & Filters
Cardioid (18 mV/Pa; 20 - 20,000 Hz)
  • Pad: -10dB (Via Switch)
  • Filter: HPF @ 75Hz (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 27mm
Capsule diameter: 34mm
200 Ohms (Low) Self-noise: 10.0 dB(A)
Weight Length Max Diameter Interface(s)
744g (26.24oz) 230mm (9.06'') 55mm (2.17'')
  • 3-pin XLR male (1)
Power Specifications
  • Includes tube power supply

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