OPERATING INSTRUCTIONS PA AMPLIFIER A-230 CE-GB Please follow the instructions in this manual to obtain the optimum results from this unit. We also recommend that you keep this manual handy for future reference.
1. IMPORTANT SAFETY INSTRUCTIONS • Read these instructions. • Protect the power cord from being walked on or pinched particularly at plugs, convenience • Keep these instructions. receptacles, and the point where they exit from the apparatus. • Heed all warnings. •...
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· No rack-mounting screws are supplied with the the power supply plug from the AC outlet and unit. Separately prepare the appropriate screws contact your nearest TOA dealer. Make no further for the rack. attempt to operate the unit in this condition as this may cause fire or electric shock.
3. GENERAL DESCRIPTION TOA's Basic Amplifier A-230 is a high cost-performance mixer power amplifier suited for paging announcement or background music in schools, offices, shops, factories, mosques, churches, and small rooms. 4. FEATURES • High durability, high reliability, and high cost performance.
5. NOMENCLATURE AND FUNCTIONS 5.1. Front 1. Power switch 5. Bass Control Press to turn on the power. Adjusts bass response. Rotate counterclockwise Press again to turn off the power. to reduce it. The maximum position "0" provides flat characteristics. 2.
12. MIC 1 and MIC 2 Inputs 13. Muting Level Control ( Mic 1 : 5-pin DIN Socket ) Adjusts the background music level 0 – 30 dB to • –60 dBV (1 mV), 600 Ω, unbalanced. be automatically reduced when priority function Use a 5-pin DIN plug connector.
6.2. Output Connections Be sure to replace the supplied terminal cover after connection CAUTION completion. Because high voltage is applied to the speaker terminals, never touch these terminals to avoid electric shock. • Low Impedance Speaker • 100 V Line Speaker COM 4Ω...
Shorting DIN plugs pin-4 and pin-5 of rear-mounted Mic 1 input allows Mic 1 input to reduce the volume of Mic 2, Aux 1, and Aux 2 inputs by 0 to 30 dB. The attenuation level is preset for –30 dB at the factory. We recommend using TOA's microphone PM-222D or PM-660D to bring the best results. 5-pin DIN Connector...
9. VOLUME CONTROL SETTINGS Output levels are adjustable with individual volume controls. For music play or announcement, adjust the corresponding volume control so that the signal output is not distorted. Note that the sound quality is downgraded when the output is distorted. 10.
• The design and specifications are subject to change without notice for improvement. Traceability Information for Europe (EMC directive 2004/108/EC) Manufacturer: Authorized representative: TOA Electronics Europe GmbH TOA Corporation Suederstrasse 282, 20537 Hamburg, 7-2-1, Minatojima Nakamachi, Chuo-ku, Kobe, Hyogo, Japan Germany URL: http://www.toa.jp/...
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