Harrington Signal Inc. Model ASHX PowerTone Explosion-proof Amplified Speaker is designed for use in hazardous locations. The unit produces a crisp, clear, highdecibel tone. The tone may be generated by the PowerTone Signaling System or by a compact, solid-state, plug-in card.The speaker cone and projector are made of spun aluminum. The speaker driver, circuitry and tone card are contained in an explosion-proof housing.
An internal gain control allows for volume adjustment. The amplified speaker is Listed for indoor and outdoor use, is NEMA 3 rated, and is finished in red enamel. PowerTone Model ASHX Amplified Speakers operate at 24 VDC and are polarized for connection to system supervised alarm notification circuits.
The PowerTone Amplifed Speaker is well suited for signaling in hazardous areas with high ambient noise levels and where a unique audible signal is required. The amplified speaker is designed for locations where the danger of explosion or fire exists.The speaker is suitable for use in National Electrical Code (NFPA 70): Class I, Groups B, C, D, Division 1 hazardous locations.
When used in conjunction with the PowerTone Signaling System and PTCK25 connector card, the speaker can produce multiple tones for various signal requirements.For single tone applications the PowerTone Signaling System or universal tone card may be used. The speaker may be used with any compatible 25 or 70Vrms audio system by using the PTCK25 or PTCK70 connector card. The speaker can be indoor or outdoor mounted. The ASHX is NEMA 3 rated.
24 VDC polarized operation.
UL sound pressure level. (see chart)
Multiple tone capability (with PowerTone System & PTCK).
Wide selection of tones (universal tone cards).
Voice capable with PTCK audio interface card.
Spun aluminum cone and projector.
Rugged explosion-proof circuitry housing.
Internal gain control.