Roswell Pro Audio Aurora
Multi-Pattern Condenser Microphone
The Roswell Aurora is a large-diaphragm condenser with switchable pad and pattern. It uses a custom transformerless circuit that is based on the Schoeps model, but optimized for high performance and low noise.
The circuit boards are manufactured and populated in the US. Audiophile-grade parts are used throughout the circuit, including NOS transistors and boutique film capacitors. Special care is taken with the JFET, which is selected for high performance and manually biased for maximum headroom.
Each microphone is individually tested and tuned after assembly; circuit components are changed to fine-tune the mic’s high-frequency response, in order to meet a specific response curve.
The capsule is a 34mm O.D. K67 type, but tuned specially to have a less pronounced high-frequency peak than most K67s.
The mic has two polar patterns, switchable on the front of the mic body: Omnidirectional and “True Cardioid,” in which the capsule’s rear diaphragm is disconnected from the circuit entirely. This gives the Aurora higher sensitivity in Cardioid, by 4-5dB.
A second switch enables a 10dB capacitive pad.
Each microphone goes through rigorous quality control checks, and includes a signed and dated card that outlines the QC procedure.
The Aurora is shipped with an elastic shockmount and a padded aluminum flightcase.
The microphone was replaced in the Roswell product line in late 2016, with a new model called the Delphos.
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The mic was released in 2015.
|Pickup Patterns||Pads & Filters|
(28 mV/Pa; 20 - 16,000)
Cardioid (40 mV/Pa; 20 - 16,000)
| Diaphragm diameter: 27mm
Capsule diameter: 34mm
Diaphragm gauge: 3 microns
|200 Ohms (Low)||Self-noise: 12.0 dB(A)|
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