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CharterOak SA538 Dual Diaphragm Vacuum tube condenser microphone w/ center terminated capsule

CharterOak SA538 - Dual Diaphragm Vacuum tube condenser microphone

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Mfg Model : SA538A

Availability: Usually Ships in 2 to 3 Business Days
Product Code : SA538


CharterOak Acoustic SA538 Dual Diaphragm Vacuum tube condenser microphone w/ center terminated capsule

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NOTE: This is the new version SA538 CharterOak Acoustics, now "Made in the USA"

The Charter Oak SA538 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.


SA538 microphone
SA Type Power Supply

  • The CharterOak SA538A is a dual diaphragm vacuum tube condenser microphone with center terminated capsule.
  • Nine (9) pick up patterns are switchable.
  • It is delivered in a locking flight case,
  • Includes external power supply,
  • shock mount, and
  • appropriate cables.
  • Lifetime warranty parts and labor

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 1/2 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 SA538, it is this attention to detail that makes the SA538 truly unique in its class.

The microphone is delivered with a lifetime warranty on all parts and labor and easy access to factory technical support.

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