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Summary of Contents for Hafler SE240
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Page 1: Power Amplifier
OWNER’S MANUAL HAFLER SE240 HAFLER SE240 POWER AMPLIFIER A Division of Rockford Corporation 613 South Rockford Drive Tempe, Arizona 85281 602 - 967 - 3565... -
Page 2: Specifications
SPECIFICATIONS Power Rating: Less than 0.025% total harmonic distortion at any power level up to 120 watts continuous average power per channel into 8 ohms at any frequency between 20 Hz and 20 kHz with both channels driven, Continuous Power Output: Into 4 ohms, below -04% THD, 20 Hz-20 kHz, per channel: 175 watts IM Distortion (IHF):... - Page 3 Input Impedance: 47,000 ohms. Input Sensitivity: 1.2 volts rms for 120 watts into 8 ohms. Slew rate: 10 kHz, 60 volts peak to peak square wave: 45 v/us Damping Factor: 300 to 1 kHz into 8 ohms. 200 to 10 kHz into 8 ohms. Power consumption: 120 watts both channels into 8 ohms: 550 VA...
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Page 4: Installation
INTRODUCTION The Hafler SE-240 is a two channel audio amplifier which has been engineered to meet high performance and reliability standards while maintaining affordability. The amplifier employs a sonically proven circuit topology driving MOSFET output devices. These devices provide exceptional reliability as a result of their inherent rugged- ness and resistance to abusive operating conditions. -
Page 5: Connecting Cables
If the output impedance is 600 ohms or less, as with Hafler preamplifiers, and the cable capacitance is less than 50 picofarads per foot, up to 50 feet is acceptable. Ordinary... - Page 6 running them parallel to power wiring to reduce the likelihood of hum pickup. OUTPUT. The wires which connect the speakers to the amplifier should be of sufficient size to preserve the SE- 240’s high damping factor. (zip cord) is satisfactory for up to 15 feet if your speakers are of 8 ohms or higher impedance.
- Page 7 Conventional Stereo Connections It is best to make all connections with the SE-240 switched off. Each of the stereo speakers connects to one horizon- tal pair of red and black outputs, on back of the SE-240. The input signals connect to the corresponding input jacks, and the Mono/Stereo switch should be set to Stereo.
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Page 8: Operation
pedance is less than 8 ohms, the SE-240 can deliver more power into the lower impedance. Sound reproduction accuracy is largely a measure of your success in satisfying an illusion of the original. There are few rules for speaker placement. The shape, furnishing and acoustics of the room contribute as much as speaker choice to the overall balance which you will find most satisfying. - Page 9 The Hafler SE-240 is warranted for 3 years from date of purchase, including parts, labor, and return shipping cost from the factory to owner within the continental U.S.
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