CharterOak SA538 Tube Microphone (Open Box)

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Product Code: 1358-OPEN
CharterOak SA538
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Availability: In Stock

CharterOak SA538 Tube Microphone

Front End Audio frequently has gear that has been opened. It is likely that we opened the item to show to a customer or to demo in our in-house studio. Regardless, our open box items are just like new and you will be hard pressed to tell that the unit was even opened. These products come with a full manufacturer's warranty, as well as our commitment to service. So if you don't mind an occasional fingerprint or a second layer of tape on the box, then you can grab a great deal today!

The CharterOak SA538 Tube Microphone is an affordable, high quality alternative to other condenser microphones in its class. Its sonic integrity, extreme durability, overall design simplicity, and serviceability make it an attractive option to any of the condenser microphones of its type currently available. The CharterOak SA538 is a dual diaphragm vacuum tube condenser microphone. Nine (9) pick up patterns are switchable. The high standard of quality and affordability of the CharterOak SA538 have been achieved through an extended period of research and development, including beta testing by a wide variety of end users. The parts of the CharterOak SA538 are machined from solid brass and high quality electronic components are used throughout.

The process of creating a CharterOak SA538 Condenser Microphone is started by hand under the strict supervision of CharterOak personnel. Under that supervision the parts are quality checked and assembled at our facility in Connecticut. The microphones are finished and the parts are quality checked a second time by experienced engineers. The process involves a seven (7) day burn in of the vacuum tube and no less than ½ hour spent with each microphone in a studio environment. Careful listening tests employ high quality microphone preamplifiers and high resolution monitoring systems. Quality checks on every component of each kit complete the process. It is only after this exhaustive finishing and quality control process is complete, that an SA538 will be cleared for sale to the customer.

From the research and development to the delivery of every CharterOak SA538, it is this attention to detail that makes the SA538 truly unique in its class.

The CharterOak SA538 Tube Microphone is delivered with a lifetime warrantee on all parts and labor and easy access to factory technical support.

CharterOak SA538 Tube Microphone Specifications

  • Acoustic Operating Principle: Pressure Gradient
  • Diaphragm: Dual 1.07" 6 micron thick gold sputtered Mylar
  • Frequency Response: 30Hz-20kHz
  • Sensitivity: 12mV/Pa 0dB=1V/Pa@1kHz
  • Polar Pattern: Cardioid, Omni, Figure-8, and intermediate stages selectable from power supply
  • Impedance: < 200 Ohms
  • Recommended Load: > 200 Ohms
  • Input Noise: 22dB A weighted IEC651
  • SPL: 128dB for 0.5% total harmonic distortion @ 1kHz
  • Power: Custom supply 115V or 230V operation with IEC type 2 AC Cable

CharterOak SA538 Tube Microphone Includes

  • SA538 Tube Microphone
  • Locking Flight Case
  • Power Supply
  • Shock Mount
  • Appropriate Cables
  • Lifetime Warranty

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