THIS IS A VERY NICE AMP, LOADS OF POWER, RYTHMIC, MUSICAL, VERY LOW NOISE, EXTREMELY DETAILED WITHOUT THE LEAST BIT BRIGHT. SOUNDS BETTER THAN THE HALO OR CLASSIC PARASOUNDS. MORE ANALOG WARMTH.IT COMES FROM A CLEAN SMOKE AND PET FREE ENVIRONMENT. THIS FORTY POUND AMPLIFIER WILL BE WELL PACKAGED FOR A SAFE FREE TRIP TO ANY OF THE LOWER FORTY EIGHT US STATES. THANK YOU FOR THE INTEREST... FEATURES Designed by John Curl THX certified by Lucasfilm Ltd. Independent power supplies for each channel Massive 1 kVA toroid power transformer 60,000 ?F computer-grade capacitors in power supply Multiple polystyrene film bypass capacitors in power supply DC Trigger Auto On Feature Cascoded Class A input stages with matched J-FET pairs Handpicked complementary MOSFET transistors in high voltage driver stage 8 complementary pairs of 15 ampere 50 MHz output transistors Output transistors direct-coupled to speakers without LRC networks DC servo direct-coupled audio circuits with 0.8 Hz rolloff High-bias Class A/AB operation Gold-plated metal structure RCA input jacks Gold-plated looping output jacks Multiple temperature sensors and silver-cadmium relay protection Glass epoxy circuit boards, double-sided for precision Custom designed audiophile-grade AC power cord Multiple Protection Circuits SPECIFICATIONS Continuous Power Output - Stereo: 205 Watts RMS x 2, 20 Hz-20 kHz, 8 ?, both channels driven 315 watts RMS x 2, 20 Hz - 20 kHz, 4 ?, both channels driven Continuous Power Output - Mono: 630 watts RMS, 20 Hz - 20 kHz, 8 ? Current Capacity: 60 amperes peak per channel Slew Rate: > 130 V/?second Frequency Response: 5 Hz - 100 kHz, +0/-3 dB at 1 watt Total Harmonic Distortion: < 0.03% at full power; < 0.01 % typical levels IM Distortion: < 0.03 % TIM: unmeasurable Dynamic Headroom: > 1.5 dB Interchannel Crosstalk: > 80 dB at 1 kHz; > 60 dB at 20 kHz Input Impedance: 33 k ? Input Sensitivity: 1 V for 28.28 V, THX Reference Level; 1.2 V for full output S/N Ratio: > 110 dB, input shorted, IHF A-weighted Damping Factor: > 800 at 20 Hz Power Consumption: 500 watts Dimensions: w 19 x h 5 1/4 x d 16, h 5 7/8 with feet Net Weight: 40 lb