CAD Audio - 'M179' Equitek Large Diaphragm Variable Polar Pattern Condenser Microphone
CAD Audio - 'M179' Equitek Condenser Microphone, Variable Polar Pattern, Transformerless, OpAmps, High Gain
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CAD Audio - 'M179' Equitek
Large Diaphragm Variable Polar Pattern
Condenser Microphone

High-Quality & Multi-PurposeThe CAD M179 is a variable-pattern side address microphone designed for professional recording and broadcast applications. The implementation of high speed, low noise, low distortion electronics makes the M179 the ideal candidate for the most critical applications. The CAD M179 combines a vintage capsule design with advanced electronics. The M179 features the dual pattern version of the original equitek e-300 capsule, an externally biased capsule with a gold sputtered 1.1" diaphragm.
-36 dBVSensitivity
10 - 20 kHzFrequency Response
200 ΩImpedance
At A Glance
• Continuously variable pattern with a "hard" cardioid center detent
• Large 1.1" dual diaphragm external bias condenser capsule
• Transformerless balanced output circuits
• Stainless steel internal pop/EMI filter
• 6dB/Octave @ 100Hz high-pass filter
Professional Features

Maximum PerformanceUsually FET (field effect transistor) condenser microphones use discrete designs. This means they use individual transistors that must be carefully matched for full characteristics. Even with careful matching, discrete designs are inherently nonlinear.
M Series microphones use a different approach and don’t feature any discrete FETs. Instead, they use advanced high speed OpAmps (Operational Amplifiers). These OpAmps are individually laser trimmed for maximum performance and come with very high gain. This gives you a large amount of negative feedback to be used to significantly reduce any non-linearity.
Enhances Any Project

High EfficiencyAlso integrated is a new discrete high efficiency power supply circuit allowing further dynamic range and lower self-noise. The CAD M179 combines an advanced headamp design, with incredibly efficient power circuitry, and a vintage capsule design.
All of this results in a superior transient response, low distortion, low noise, and high output level. You will find that the M179 has an incredibly open and clean sound that will enhance any project.
The Tech Spec
Features | Specification |
---|---|
Type | Side address, external bias condenser |
Frequency Response | 10-20 kHz |
Polar Pattern | Variable |
Impedance | 200 ohms |
Sensitivity | -36 dBV (16mV) @ 1Pa |
Equivalent Noise Level | 11 dB-A |
Maximum SPL | 143 dB SPL (with pad) |
Total Harmonic Distortion | Less than 0.15% |
Switches | High-pass filter, 20dB pad, High-Pass Filter, 6dB/octave |
High-pass filter | 100Hz, 6dB/octave |
Powering | Minimum requirements are 24-52V phantom power capable of delivering at least 8 mA |
Connector | Three pin male XLR type |
Finish | Durable charcoal gray urethane. Satin nickle plated front & rear screen |
Dimensions | 2.25” (57.2 mm) Dia., x 7.00” (177.8 mm) High |
Net Weight | 17.8 oz. (506 grams) |
Furnished Accessories | MZM-5 elastic suspension shockmount |