New GX Series Amplifier from HaflerNew Fixed Install GX Amps with Cinema-Specific Features One of Three New Amp Lines from Hafler that are All Based on the Same Basic Amplifier Platform
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September 28, 2000Hafler introduces to the systems contractor market its new fixed install GX amplifier with cinema-specific features at the 109th AES Convention. This new amplifier series is the one of three new amp series that are all based on a platform referred to as the C-Series, with differences being in cosmetics, input processing and output capabilities.
"Fixed install sound design contractors have been using the large Hafler amplifiers in their installations for years with excellent results," says Jerry Cave, managing director for Hafler. "Our new contractor format amplifier has features specific to the cinema industry. Finally, there is now an audiophile quality, reliable, sound choice to perfectly fit the needs of the cinema sound contractor’s installations."
The Hafler GX Series amp series crossover is designed to meet the needs of a typical cinema Installation in the form of two optional plug-in cards. Features include:
- 4th order Low-Pass, High-Pass, or Full-Range
- 500 or 800 Hz Crossover Frequency
- DIP Switch Selectable Time Delay—six positions, 0" to 30" of Low-Pass
Time Delay
- Continuously Variable CD Horn Equalization
- Phase Inversion Switch
In Stereo Mode or Biamp Mode, each amplifier channel is configured independently with its own Cinema Card and Speaker Load setting. In Bridged Mono Mode, both channels are configured with a single Cinema Card, with a Dual or Bridged Mono Output. All of these features can be accessed from the rear panel of the amplifier.
"We have planned three power levels 300x2, 600x2 and 1200x2," explains Jim Strickland, vice president of engineering, Rockford Corporation. "The 300 and 600 watt units are a new Class G circuitry based around our patented Transonova platform which provides for a very simple gain path for incredible sound quality, as well as high efficiency and lower heat. All are fan cooled. Power is the same regardless of impedance, so the user/installer need not worry about the load."
Mark Albers, senior design engineer for Hafler, explains, "The 300- and 600-watt units are two rack spaces, and use switching power supplies, surface mount, and MOSFET—as all Hafler amps do. The 1,200-watt unit will likely be three rack spaces high. All will be 115V/230V adaptable."
Says Cave, "Hafler C-Series amps deliver REAL power without thermal problemsæcontinuously. Plug it in and don’t worry about it. Hafler amplifiers maintain consistent thermal performance at any impedance. The C-Series represents Hafler’s first step to designing and building great sounding, higher powered amplifiers." For more information, visit their web site at www.hafler.com. | 
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