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Helix A4 Competition 4-channel Amplifier - SOLD
Used Amp for sell, still in extremely good condition ![]() Driver with class A technology Outputstage with 24 MosFet transistors RMI (realmixed input) for forming an optimised mono-summation signal from the left and right channels NFI (noisefree input) for distortion-free listening Intelligent active crossover Bass Boost Control 0-9 dB, adjustable center frequencies 30-120 Hz Mono/Bridged/ Stereo switch 8.0 volt input for connection to any signal source ADC - Anti Distortion Choke to eliminate distortions Intelligent temperature and power controlled switching power supply Separate speaker protection circuit with current limitation for speaker short-circuiting, cable contact with car chassis, low impedance and wrong connection CPS - Color Protection System SMD - Surface Mounting Devices for constant assembling quality Double-sided, extra strong (2x 110u) and copper plated pc-board for best power and signal transmission and protection against vibrations 24-karat gold-plated solid connectors suitable for 25 m²/ gauge 4 cables Temperature-optimised heatsink for highest efficiency 1% accurate components for perfect audiophile sound quality and maximum power Smoked-grey plexi cover with both side printing Technical Data: Cont. power rating RMS/Max. power at 4 Ohms RMS/12 V 4 x 60/85 Watt Cont. power rating RMS/Max. power at 4 Ohms RMS/13,8 V 4 x 85/160 Watt Cont. power rating RMS/Max. power at 2 Ohms RMS/13,8 V 4 x 153/300 Watt Cont. power rating RMS/Max. power at 4 Ohms RMS/13,8 V bridged 2 x 270/450 Watt Cont. power rating RMS/Max. power at 2 Ohms RMS/13,8 V bridged 2 x 395/650 Watt Total harmonic distortion: < 0,009% Signal to noise ratio: > 100 dB Damping factor: > 450 Frequeny range: 20 Hz -20 kHz TIM distortion: < 0,016% Input sensitivity: 500 mV - 8 V Fuse: 3 x 25 A Input impedance: 10 kOhm Bassboost adjustable channel: C und D 0 - 9 dB Dimensions (HxWxD) mm: 35 x 240 x 432 Weight netto: 4,7 kg http://www.audiotec-fischer.com/engl...odukte/a4.html |
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Last edited by louisl; 02-09-2007 at 11:53 PM.. |
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#3 (permalink) |
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it says $700. its only written in bold.
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HU/Processing: W200/H701
Drivers: IDQ12D2v3/Dyn MW160/Lotus RM110/Seas neo Alum Amps: Alpine PDX 4.150/4.150 |
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