Sony ES SS-M9 loudspeaker Specifications

Sidebar 1: Specifications

Description: Three-way, reflex-loaded, floorstanding loudspeaker. Drive-units: 1" (25mm) soft-dome tweeter, 5" (130mm) plastic-cone midrange unit, two 8" (200mm) plastic-cone woofers. Crossover frequencies: 200Hz, 2.25kHz. Frequency response: 30Hz–20kHz ±2dB, –3dB at 27Hz and 22kHz. Sensitivity: 89dB/W/m (2.83V). Nominal impedance: 4 ohms (3 ohms minimum). Amplifier requirements: 50–300W.
Dimensions: 42" (1065mm) H by 15.75" (400mm) W by 23.4" (593mm) D. Weight: 145 lbs (65.8kg) each.
Serial numbers of review samples: 8000034/35.
Price: $3500/pair (1996); no longer available (2007) (replaced by the ES SS-M9ED, also no longer available). Approximate number of dealers: 50.
Manufacturer: Sony Corporation, 1 Sony Drive, Park Ridge, NJ 07656. Tel: (201) 930-1000. Fax: (201) 930-4748. Web:

Sony Corporation
1 Sony Drive
Park Ridge, NJ 07656
(201) 930-1000