🔬 Larson Davis Acoustic Coupler Kit – Multi-Configuration Assembly

Complete Larson Davis Laboratories acoustic coupler system used for precision microphone calibration and acoustic measurement.

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✅ INCLUDED

• Main coupler housing (black anodized cylinder)

• Precision tapered metal insert (acoustic cavity)

• Base plate / mounting disk

• Adapter spacer ring

• Solid metal cavity plug (volume modifier)

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⚙️ FUNCTION

Engineered to create a controlled acoustic chamber for accurate calibration of measurement microphones.

The included components allow for adjustable internal volume configurations, supporting different calibration setups.

Used in:

• Sound level meter calibration

• Environmental noise measurement

• Industrial hygiene testing

• Acoustic laboratories

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🧪 CONDITION

• Clean, well-maintained condition

• Minor cosmetic wear from professional use

• No structural damage

• All components appear original and functional

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⚠️ NOTES

• Exact model and microphone size compatibility not specified

• Likely supports ½” or 1” microphones (buyer to verify)

• Sold as shown

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💡 VALUE STATEMENT

Complete multi-piece coupler assemblies are rarely available—most listings are missing inserts or volume components. Ideal for labs and technicians needing a flexible, ready-to-use calibration solution.

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🔑 ITEM SPECIFICS

• Brand: Larson Davis

• Type: Acoustic Coupler / Calibration Adapter Kit

• Model: Not Specified

• MPN: Does Not Apply

• Country/Region of Manufacture: United States

• Condition: Used

• Application: Microphone Calibration