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musical instrument details

CAD Equitek E300 Original Large Diaphragm MultiPattern Condenser Microphone Nice

Estimated price for orientation: 599 $

Category: CAD E300 Condens
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Description
Brand: CAD Conneaut Audio Devices MPN: 1208
Model: E300


For Sale is a Conneaut Audio Devices (CAD) Equitek E-300 Professional Servo Condenser MicrophoneIncluded is a Microphone, Hard Case, CAD Microphone Mount and Original Box!!Also Included is Original Frequency/Magnitude Hand Signed Test From the Factory Microphone is in good condition and has been recently tested and is working greatThe Equitek E300 combines a vintage capsule design with advanced electronics. Typical FET (field effect transistor) condenser microphones use discrete designs. This means they use individual transistors that must be carefully matched for proper characteristics. Even with careful matching, discrete designs are inherently nonlinear. Equitek microphones use a different approach. We do not use any discrete FETs. Instead, we use advanced high speed OpAmps (Operational Amplifiers). These OpAmps are individually laser trimmed for optimum performance and have very high gain. This allows a large amount of negative feedback to be used to significantly reduce any non-linearity. During transients, these OpAmps may require more current than typical phantom power supplies can deliver. The extra current demands are accommodated by our unique power supply design. Instead of using phantom power to operate the microphone, we use it to charge a pair of rechargeable NiCad batteries. This system creates a huge current reserve for the microphone’s electronics, yet there is no maintenance involved because the microphone automatically keeps the batteries charged during use. The use of OpAmps is not the only unique feature of Equitek microphones. For example, we also employ servo circuitry to minimize DC offset and eliminate interstage coupling capacitors.