Acoustical Solutions ASB4230
Acoustical Solutions · Model ASB4230
Specially engineered to provide outstanding acoustic performance. The advanced design features cam-lock construction, which provides flexibility in moving, storing and shipping. The cam-lock design ensures that acoustic integrity, durability and utility remain intact. No other audiometric booth on the market offers this superior construction and quality. The booth is delivered fully assembled, ready to use. The knock-down packaging is offered as an option or for bulk export shipping. The flush-mounted entry door with continuous magnetic seal allows the person being tested to enter and exit easily. Lighting, carpet, vibration isolators (heavy duty casters are optional), six universal 1/4" (6.3mm) phone jack panel, and forced air ventilation are all standard.
Typical Failure Modes
Compiled for this model from its own documentation and established engineering knowledge for this equipment class - not from a verified service record. Confirm against the manufacturer's service manual.
Sound attenuation below spec
HighSymptoms: Ambient noise inside the booth exceeds the target, failed annual attenuation test.
Root cause: Worn door / window gaskets, a warped door, or loosened panel seams.
Ventilation fan noise or airflow loss
MediumSymptoms: Fan noise intrudes on testing, or the booth gets stuffy.
Root cause: Worn silenced-ventilation fan or a blocked baffle.
Interior light / signal fault
MediumSymptoms: Interior light out, talk-back or patient-response signal not working.
Root cause: Lamp / LED, the intercom, or the response-button wiring.
Jack-panel / feed-through fault
MediumSymptoms: Audiometer signal to the transducers drops or is noisy.
Root cause: Worn bulkhead jack panel or a broken feed-through connector.
Serviceable Parts & Consumables
Serviceable items for this model, compiled from its documentation and engineering knowledge for this equipment class. Service class and relative cost are estimates, not manufacturer figures; no part numbers are given. Confirm intervals and pricing against the manufacturer.
Door / window gasket set
Class Periodic replacementRel. cost $$R&R Fairly easy
Silenced ventilation fan
Class Major service partRel. cost $$R&R Moderate
Interior lamp / LED
Class Periodic replacementRel. cost $R&R Easy
Talk-back / talk-forward intercom module
Class Major service partRel. cost $$R&R Moderate
Bulkhead jack panel / feed-through
Class Major service partRel. cost $$R&R Moderate
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Door / window gasket set | Periodic replacement | $$ | Fairly easy |
| Silenced ventilation fan | Major service part | $$ | Moderate |
| Interior lamp / LED | Periodic replacement | $ | Easy |
| Talk-back / talk-forward intercom module | Major service part | $$ | Moderate |
| Bulkhead jack panel / feed-through | Major service part | $$ | Moderate |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
Troubleshooting Approach
A starting sequence for this model, compiled from its documentation and engineering knowledge for this equipment class. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Fails the attenuation check
- Measure ambient octave-band levels inside vs the target.
- Inspect and replace the door / window gaskets.
- Check the door closes flush and the latch draws it home.
- Re-torque loose panel seams.
- Re-run the attenuation test and document it.
Symptom: Fan noise or poor airflow
- Confirm the fan runs and airflow is present.
- Clean the ventilation baffles.
- Replace a noisy fan with the correct silenced unit.
- Verify interior noise with the fan running.
- Re-check the intercom and response signal.
Documents & Manuals
No documents available for this device yet.
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