🏷️ Basic Information Identification Make: Marantz Model: SR7400 Year: Unknown Generation: Unknown 📋 Manual Details Document Manual Type: Owner's Manual Language: English Page Count: 178 Format: PDF Features Printable: True Downloadable: True Ease Of Use: Easy to follow, step-by-step instructions, diagrams/pictures included Technical Skill Requirement: No technical knowledge or skills needed 📐 Dimensions Physical Width: 440 mm (approx.) Height: 175 mm (approx.) Depth: 401 mm (approx.) Weight: 14.1 kg (approx.) 🔧 Maintenance Cleaning Cleaning Instructions: Refer to manual for cleaning guidelines for front panel and chassis Troubleshooting Troubleshooting Guide: Included in manual 📄 Audio Specs Performance Channels: 7.1 Channel Surround Sound Receiver Power Output Per Channel: 100W x 7 (into 8 ohms, 20 Hz-20 kHz, 0.05% THD) Decoding Surround Formats: Dolby Digital EX, DTS-ES Discrete/Matrix 6.1, DTS Neo:6, Dolby Pro Logic IIx Processing Digital Signal Processing: DSP modes (e.g., Hall, Concert, Cinema, Stadium) 📄 Connectivity Inputs Digital Inputs: Coaxial, Optical (multiple) Analog Inputs: RCA (multiple, including Phono), S-Video, Component Video Outputs Speaker Terminals: Binding Posts Pre Outs: Yes (for all channels) Other Multi Room Support: Yes Remote Remote Controller Model: RC1400 📄 Performance Tuning Tuner Type: AM/FM Tuner Playback Playback Formats: CD, CD-R/RW, MP3 (via specific inputs)