Product Description
Manufactured in Australia to stringent engineering criteria, the Phase 4 amplifier series exhibit quite remarkable performance and outstanding reliability. Over 2 years in design and development, the evolution of Phase 4 included extensive consultation and input from pro sound contractors and installers across the country. The host of features incorporated commend this amplifier series to the most demanding of pro sound and industrial PA system applications. Redback Phase 4 amplifiers incorporate on demand multi-staged thermally cued fan forced cooling.The output power stage is thermally monitored enabling automatic operation of a long life computer style cooling fan to “off”, “low” or “high” air flow through a specially designed tunnel heatsink. In quiescent or ordinary cycle paging mode the fan is inoperative. Over temperature sensing is employed to shut down the amplifier in extreme over heat conditions, eg extreme over load and /or over drive misuse. Re–start is automatic once normal temperatures are attained. Output peak limiting.The output voltage is limited to 105V maximum RMS voltage irrespective of load impedance to prevent damage to speaker load. Standard 100V line PA amplifiers can deliver up to 180 volts or more under conditions of high drive and very light loading. This output over voltage can quickly destroy any loudspeakers connected.Features2 X 125W amplifiers in a single chassisMulti-stage thermally cued coolingLED bargraph VU meterInput signal presence indicatorOutput peak limited2U 19″ rack mount3 pin XLR input, 3 pin XLR loop outLevel control rear mounted100V, 70V and 4 – 16 Ohm outputsThermal and overload protection240V AC, or 24V DC operation300mA 24V battery trickle charge100% developed, designed & assembled in Australia.Since 1976 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 40 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support.Read more about our Australian Made productsBacked by an industry leading 10 Year Manufacturer Warranty.Our Redback products have a long tried and tested history of bulletproof reliability. Altronics offers a 10 Year Warranty on all Australian Made Redback products. Our local in-house service department has all the know how to answer technical queries and provide timely service.Read more about our industry leading warranty.
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Product Description
Manufactured in Australia to stringent engineering criteria, the Phase 4 amplifier series exhibit quite remarkable performance and outstanding reliability. Over 2 years in design and development, the evolution of Phase 4 included extensive consultation and input from pro sound contractors and installers across the country. The host of features incorporated commend this amplifier series to the most demanding of pro sound and industrial PA system applications. Redback Phase 4 amplifiers incorporate on demand multi-staged thermally cued fan forced cooling.The output power stage is thermally monitored enabling automatic operation of a long life computer style cooling fan to “off”, “low” or “high” air flow through a specially designed tunnel heatsink. In quiescent or ordinary cycle paging mode the fan is inoperative. Over temperature sensing is employed to shut down the amplifier in extreme over heat conditions, eg extreme over load and /or over drive misuse. Re–start is automatic once normal temperatures are attained. Output peak limiting.The output voltage is limited to 105V maximum RMS voltage irrespective of load impedance to prevent damage to speaker load. Standard 100V line PA amplifiers can deliver up to 180 volts or more under conditions of high drive and very light loading. This output over voltage can quickly destroy any loudspeakers connected.Features2 X 125W amplifiers in a single chassisMulti-stage thermally cued coolingLED bargraph VU meterInput signal presence indicatorOutput peak limited2U 19″ rack mount3 pin XLR input, 3 pin XLR loop outLevel control rear mounted100V, 70V and 4 – 16 Ohm outputsThermal and overload protection240V AC, or 24V DC operation300mA 24V battery trickle charge100% developed, designed & assembled in Australia.Since 1976 Redback PA products have been manufactured in Perth, Western Australia by Altronics. With over 40 years experience in the commercial audio industry, we offer consultants, installers and end users reliable products of high build quality with local product support.Read more about our Australian Made productsBacked by an industry leading 10 Year Manufacturer Warranty.Our Redback products have a long tried and tested history of bulletproof reliability. Altronics offers a 10 Year Warranty on all Australian Made Redback products. Our local in-house service department has all the know how to answer technical queries and provide timely service.Read more about our industry leading warranty.