ADCOM GFA-555 High Power Amplifier - LEGENDARY AMP Askign $650 *Or Best Offer* ADCOM GTP-450 Stereo Tuner Pream Excellent Condition Adcom GFA-555 power amplifier In excellent cosmetic and operating condition. Very low hours on this one with minimal signs of use. Both channels work great, sounds amazing. ADCOM AMPLIFIER GFA-555 EXCELLENT CONDITION !! 200 watts per side Power Amplifier SPECIFICATIONS: Inputs 100k Ω. Two gold-plated, Teflon-insulted Rca Jack's Gain 27 dB. Input Sensitivity 1.75V for 200 W into 8 Ω. 130 mV for 1 W into 8 Ω. Rated Power Output 200 watts per channel into 8 Ω from 20 - 20,000 Hz at less than 0.04% THD, both channels driven. 325 watts per channel into 4 Ω from 20 - 20,000 Hz at less than 0.04% THD, both channels driven (requires fan option to do this for any length of time). 600 watts into 8 Ω from 20 - 20,000 Hz at less than 0.04% THD, bridged mono (requires fan option to do this for any length of time). 850 watts into 4 Ω from 20 - 20,000 Hz at less than 0.09% THD, bridged mono (requires fan option to do this for any length of time) Dynamic Headroom 2.5 dB at 4 Ω on Power Bandwidth 1.7 - 100,000 Hz at - 3 dB. Frequency Response 10 - 20,000 Hz +0, -0.25 dB at 1 W RMS into 8 Ω Damping Factor Not less than 800 from 20 - 20,000 Hz into 8 Ω. Noise Not less than -110dB down from 200 watts into 8 Ω, A-weighted. Power Input 120 VAC 50-60 Hz. 72 VA idle 1,500 VA maximum. 675 VA at 200 W into 8 Ω. It draws zero power when turned off. The GFA-555 II is completely disconnected when switched off. Size Chassis: 6-3/4 x 17 x 12-3/16 inches (172 x 432 x 310 mm) HWD. Overall: 7-1/4 x 17 x 12-3/16 inches (185 x 432 x 310 mm) HWD. 35 pounds 40 pounds packaged. Unit is in EXCELLENT working condition !!!! Sold as is.....Working fine...pls take care in hooking it up !!