Preamplifier and power amps by Marantz, models SM 11 & SC 11 which feature power transistors with particularly excellent linearity. Output power 300 W + 300 W (4 ohms) - 265 W + 265 W (8 ohms) THD 0.008% or less Frequency characteristic 10–100 kHz + 0–1 dB Input sensitivity/input impedance 1.5 V/22 kohms Dumping factor 100 (8 ohms) or more SN ratio (IHF-A) 120 dB Power consumption (Electrical Appliance and Material Control Law): 400 W An Output power/impedance. Flat Out: 1.5 V/50 ohms Input sensitivity/impedance. Phono MC: 125 microvolts/100 ohms Phono man month: 2.5 mV/47 kohms High SFT level: 150 mV/47 kohms THD 0.002% or less Frequency characteristic (RIAA) 20 Hz–100 kHz + 0–0.25 dB SN ratio (IHF-A) Phono MC: 92 dB Phono MM: 93 dB High Level: 115 dB Dimensions: H 20 x W 45.4 x D 44.5 cm. Weight: 30 kg.