Marantz SM-11 Esotec Power Amplifier and matching Marantz SC-11 Control Preamplifier. This combo is part of my Marantz esotec collection. The amp and pre are in excellent condition and function superb. One of the rarest and definitely the best Esotec Stereo Amplifier. Price is fair and firm.
"This amplifier has been designed for the most stringent audiophile. It has been tested and re-tested in laboratory and in listening room until it was close to what we think is perfection. Nothing has been spared - the finest materials, the latest technology. The output circuitry is using high-linearity transistors (4 in parallel) and 3 stages Darlington configuration to obtain the best linearity and reliability. The power supply is of the high regulation type with specially developped custom audio electrolytic capacitors equipped with computer grade attaching screws. Every detail has been analysed for its effect on sound quality. Listening tests have led MARANTZ to use copper plated chassis and screws, gold phono connectors and we have eliminated the speaker switching control to provide free signal path directly to the speaker terminal."
Rating of a mode Form Stereo power amplifier Output power 300W+300W (4ohm) 265W+265W (8ohm) THD 0.008% or less Frequency characteristic 10-100kHz+0 -1dB Input sensitivity/input impedance 1.5V/22kohm Dumping factor 100 (8ohms) or more SN ratio (IHF-A) 120dB Power consumption (Electrical Appliance and Material Control Law) 400W Dimensions Width 454x height 200x depth of 476mm Weight 30kg Preamplifier Rating of a mode Form Stereo control console An Output power/impedance Flat Out: 1.5V/50 ohm Input sensitivity/impedance Phono MC: 125 microvolts/100 ohms Phono man month: 2.5mV / 47kohm High SFT Level: 150mV / 47kohm THD 0.002% or less Frequency characteristic (RIAA) 20Hz-100kHz+0 -0.25 dB SN ratio (IHF-A) Phono MC:92dB Phono MM:93dB High Level:115dB Dimensions Width 454x height 121x depth of 386mm Weight 11.5kg
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