Mackie 408S Owner's Manual - Page 32
Power Amplifier Contributors and Colophon - fr series
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Power Amplifier Section Maximum Power at 1% THD, midband, both channels driven 406M, 408M, 408S 250 watts per channel into 2Ω 200 watts per channel into 4Ω 125 watts per channel into 8Ω 808M, 808S 600 watts per channel into 2Ω 450 watts per channel into 4Ω 300 watts per channel into 8Ω Continuous Sine Wave Average Output Power, both channels driven (rated power) 406M, 408M, 408S 180 watts per channel into 4Ω from 40Hz to 20kHz, with no more than 0.15% THD 110 watts per channel into 8Ω from 40Hz to 20kHz, with no more than 0.10% THD 808M, 808S 340 watts per channel into 4Ω from 40Hz to 20kHz, with no more than 0.15% THD 240 watts per channel into 8Ω from 40Hz to 20kHz, with no more than 0.10% THD Power Bandwidth < 10Hz to 30kHz (+0, -1 dB) @ rated power into 4Ω Frequency Response < 10Hz to 30kHz (+0, -1 dB) < 10Hz to 55kHz (+0, -3 dB) Distortion THD, SMPTE IMD: < 0.10% @ 8Ω < 0.15% @ 4Ω Signal-to-Noise Ratio > 105 dB below rated power into 8Ω Channel Separation > 75 dB @ 1kHz Damping Factor > 250 @ 1kHz Amp Input Impedance 10kΩ unbalanced, 20kΩ balanced Input Sensitivity 406M, 408M, 408S 1.35 volts (+4.8 dBu) for rated power into 4 ohms 808M, 808S 1.76 volts (+7.1 dBu) for rated power into 4 ohms Gain (Amp In to Speaker Out) 26.4 dB (21V/V) Maximum Input Level 9.75 volts (+22 dBu) Rise Time 406M, 408M, 408S 808M, 808S < 5µs < 6.2µs 32 Slew Rate 406M, 408M, 408S 808M, 808S > 40V/µs > 50V/µs Load Angle 8(±jx) time independent at 8Ω 4(1±jx) time dependent at 4Ω High Frequency Overload and Latching: No latch up at any frequency or level. High Frequency Stability: Unconditionally stable, driving any reactive or capacitive load Turn On Delay: 3 seconds AC Power Requirements United States: 120VAC, 60Hz Europe: 240VAC, 50Hz Japan: 100VAC, 50/60Hz Korea: 220VAC, 60Hz (Capable of operation from 75% to 110% of rated line voltage) Physical Height: Width: Overall Depth: Weight: 406M, 408M, 408S 808M, 808S 11.7 inches 20.5 inches 13 inches 32 pounds 36 pounds (297mm) (521mm) (330mm) (14.5 kg) (16.3 kg) Disclaimer Since we are always striving to make our products better by incorporating new and improved materials, components, and manufacturing methods, we reserve the right to change these specifications at any time without notice. This product is sold by weight, not by volume. Contributors and Colophon This manual was written and laid out by David Franzwa at Mackie Galactic Headquarters overlooking the beautiful Sammamish Slough in sunny Woodinville, WA. Input was provided by the following Mackoids: Steve Eborall, technical writer; Sara Delahan, Art Director; Paul Larson, Tech Support Maestro; Rick Bos, Powered Mixer Product Manager and on-staff tall person; Jeff Gilbert, longtime Mackoid and technical advisor; CJ Murray, project engineer. Proofreading provided by the ever-faithful Linn Compton. Additional tidbits provided by Rick Chinn and Ron Koliha. Preliminary text was written on a Power Macintosh® 8100/ 100AV using Microsoft® Word 98. Typesetting was performed on the same Power Macintosh using Adobe® PageMaker® 6.5. Illustrations were created using Adobe® Illustrator® 7.0. Fonts used include ITC Century Light Condensed, Avenir Demi, and Tekton. Subheadings were made with Futura Condensed. Font management provided by Adobe® Type Manager® Deluxe 4.0 and Type Reunion® Deluxe 2.0. "Mackie," the "Running Man" figure, "PPM Series," "FR Series," and "EMAC" are trademarks or registered trademarks of Mackie Designs Inc. All other brand names mentioned are trademarks or registered trademarks of their respective holders, and are hereby acknowledged. ©2002 Mackie Designs Inc. All Rights Reserved. ®