GRAS 51AB Sound Intensity Calibrator for 1/2" Diameter Microphones 110dB

Manufacturer: GRAS

Model: 51AB

Condition: Used. Comes in non-original packaging. This sound intensity calibrator is in good cosmetic condition. The pictures we found in datasheets online have a black part covering the entire end whereas this one has shiny metal and grooves - we are not sure what this missing part may be.
Cosmetic appearance may vary slightly from pictured unit(s).

Notes: We put a low-level signal from a frequency generator to the BNC input of this calibrator, and a sound was emitted from the calibrator. No other testing was done.
No manuals, cords/cables, or additional items are included if not listed or shown.

Included:

• (1) GRAS 51AB Sound Intensity Calibrator for 1/2" Diameter Microphones 110dB

Specifications:

• Manufacturer: G.R.A.S. Sound & Vibration
• Model/Type: 51AB
• Description: Sound Intensity Calibrator
  • 2-port coupler for phase and level calibration of sound intensity microphone pairs
  • For 1/2" microphones, or 1/4" with an adapter (not included)
  • BNC connector input
  • Output rating: approximately 110dB (re 20 μPa) with 300mV RMS
  • Maximum input: 1V RMS
  • Frequency range: 50 to 6300 Hz
  • Pressure-intensity index: >27 dB

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• Return window is 30 days from delivery date
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CDN Systems LLC, DBA Doug Deals, is not an authorized distributor or affiliated with the manufacturer of this product. Original manufacturer's warranty does not apply.