t.bone SC-450
Cardioid Condenser Microphone
The SC-450 is a large-diaphragm condenser microphone with switchable pad and filter, and a transformer-coupled output.
The circuit appears to be essentially identical to the MXL 2001/V67, albeit with pad and filter options. The circuit is a 2-stage FET design, the fundamentals of which were borrowed from the AKG C414 EB, although with negative feedback built in to provide some corrective equalization (high-frequency attenuation) to the signal from the capsule. The transformer is presumably a very low ratio, e.g. 2:1.
The capsule is a K67 style: dual backplate, center-terminated, with a characteristic high-frequency peak.
The published specifications are surprisingly different than the MXL 2001: 10 dBA self-noise (compared to 18 dBA for the 2001), and 23mV/Pa sensitivity (compared to 15mV/Pa).
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Specifications
| Pickup Patterns | Pads & Filters |
|---|---|
|
Cardioid
(23 mV/Pa; 20 - 18,000 Hz) |
|
| Capsule Dimensions | Impedance | SPL/Noise |
|---|---|---|
| Diameter n/a |
n/a |
| Weight | Length | Max Diameter | Interface(s) |
|---|---|---|---|
| n/a | 190mm (7.48'') | n/a |
|
| Power Specifications |
|---|
|
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