Marantz ST551 FM tuner Specifications

Sidebar: Specifications

Description: FM stereo/AM tuner with digitally synthesized tuning. Usable sensitivity: 1.9µV/10.8dBf mono, 5.5µV/20dBf stereo. 50dB stereo quieting sensitivity: 35µV/36dBf. Capture ratio: 0.9dB. Selectivity: 60dB alternate channel, 4dB adjacent channel. S/N ratio at 65dBf: 82dB mono, 80dB stereo. Stereo THD: 0.1%. Separation: 53dB. SCA rejection: 40dB. AM suppression ratio: 60dB. 19 and 38kHz products: –40dB. Power consumption: 12W.
Dimensions: 16.5" W by 10.25" D by 2.375" H. Weight: 5 lbs.
Serial Number: 66U010199.
Price: $299.95 (1987); no longer available (2012). Approximate number of dealers: 500-700.
Manufacturer: Marantz Co., Inc., Chatsworth, CA 91311 (1987). Marantz America, Inc., 100 Corporate Drive, Mahwah, NJ 07430-2041. Tel: (201) 762-6500. Fax: (201) 762-6670. Web:

Marantz America, Inc.
(201) 762-6500