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3-ZA20A Zoned Audio Amplifiers
₹ 4,000 Get Latest Price
Product Specifications
| Agency Listing | UL, ULC, CE |
| Alarm Current | 1120mA |
| Availability | In Stock |
| Environmental | 0 Degree C - 49 Degree C (32 Degree F - 120 Degree F) 93% RH, Non-condensing |
| Frequency Response | 400Hz to 4KHz @ +/- 3dB |
| Internal Tone Generator | 1KHz Temporal (3-3-3) Tone (evacuation); 20 PPM (alert) |
| Model Name/Number | 3-ZA20A |
| Output Voltage | 25 VRMS or 70 VRMS |
| SIGA-CC1/2 Support | 10 Units, Maximum |
| THD (distortion) | < 7% |
| Wire Size | 18 to 12 AWG (1.0 to 2.5 mm2) |
GST No - 33BIYPS2247E2ZW | Member since 2026
138, Indira St, Radhakrishnan Nagar, Valasaravakkam, Chennai, Tamil Nadu 600087
3-ZA20A Zoned Audio Amplifiers Read More...
Product Details
The EST3 audio amplifiers take full advantage of digital technology. Digital messages generated by the Audio Source Unit (ASU) and live paging messages are multiplexed into eight separate channels transmitted over a single twisted pair of wires. Each zoned amplifier contains integrated de-multiplexing circuitry that allows any one of the eight digital audio channels to place messages or signals on the amplifier's built-in speaker circuit.Audio channel selection is network software controlled, and audio amplifiers mount in the same enclosures as other EST3 equipment. Power for the amplifiers comes from standard system power supplies through the local rail. Field wiring connects to removable terminal blocks on the amplifier module. Amplifiers support either 25 VRMS or 70 VRMS power limited speaker circuits. For visual signaling, each 20 or 40 watt amplifier comes standard with one 24 Vdc power limited Notification Appliance Circuit that is ideal for strobe use.Standard Features: Three Sizes Available -20 Watts -40 Watts -95 Watts Simultaneous eight channel digital audio - Superior sound quality - No signal interruptions during paging Speaker circuit built into amplifier - Selectable for 70 or 25 VRMS output - Class A (Style Z) or Class B (Style Y) output - Power limited 3.5 amp 24 Vdc notification appliance circuit on 20 and 40 watt amplifiers - Ideal for strobe signals - Class A (Style Z) or Class B (Style Y) output - Power limited Network software control of channel selection Integral backup tone generator - 1 KHz temporal (3-3-3) tone evac - 1 KHz 20 PPM tone alert
138, Indira St, Radhakrishnan Nagar, Valasaravakkam, Chennai, Tamil Nadu 600087
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