Marantz SR7500 teardown

Marantz SR7500 FEATURES

MULTICHANNEL SURROUND

THX Surround EX
DTS 5.1 / -ES / 96/24
Dolby Digital / Dolby Digital-EX
DPL / DPL II / DPL IIx
Circle Surround II
Virtual Surround
Multi-Channel Stereo
Re-EQ
Headphone Surround: Dolby Headphones
Auto Surround Mode Detection

SOUND ENHANCEMENTS

Current Feedback Topology
Real full channel power drive (70%)
Discrete Amplification (All)
Pure Direct
Power Transformer: EI
Linear Drive Power Supply (LDPS)
D/A Conversion: 192kHz/24-bit
Digital Signal Processing: 32-bit
Bi-amp drive (5.1 channel setting)
Video Off
High Grade Audio Components
Chassis: Metal

OTHERS

MRAC (Marantz Room Acoustic Corrections)
On Screen Display: main/multiroom
Variable cross over
Front panel cursor control
Video conversion (CVBS-S-Comp)
Line memory (video conversion)
Analogue down mix
Multiroom: multi source
Multiroom zones: 1
Speaker A/B
Lip sync control
Random Tuner pre-sets: 50
RDS: PTY/PS
Auto TV Switching (On/Off)
Discrete RC coding
Software Upgradable (RS-232)
Bi-directional control via RS232C

INPUTS/OUTPUTS

VIDEO

Composite In/Out (incl. monitor out) 5/3
S-Video In/Out (incl. monitor out) 5/3
Component In/Out 4/1
Multi-Room Video Out: CVBS

AUDIO

Analogue In/out 8/4
Digital Optical In/Out 4/1
Digital Coaxial In/Out 3/1
Multi-Room Audio Out
Pre-Amplifier Out (channels) 7.1
Multichannel in channels 7.1
Multi-Channel In
Headphones Out

OTHER

Speaker Terminal: regular screw (all)
Multi-Room Speaker Terminal
Multi-Room D.Bus In/Out
D.Bus In/Out
IR Flasher In: 2
RS232C
DC Triggers 2
AC Outlets (Not for UK Model)
Front Inputs: Audio / Composite / S-Video / Digital (opt)

SPECIFICATIONS

AUDIO SECTION
Power Output (8/4 Ohm RMS) 105/- Watts
D/A Converter: CS4382
Digital Signal Processor: CS494003
Signal to Noise Ratio: 103dB
Frequency Response (Analogue In): 5Hz to 100kHz (+/- 3dB)
Frequency Response (Dig In): 5Hz to 45kHz (+/- 3dB)
Total Harmonic Distortion (THD) 0.05%
Stereo separation 70 dB (kHz)
Input Sensitivity / Impedance 168 mV / 47 kOhms
TUNER SECTION FM

Frequency Range 87.5 - 108.00 MHz
Signal to Noise Ratio (mono/ stereo) 75/70 dB
Distortion (Mono/stereo) 0.2 / 0.3 %
Channel Selectivity +/- 300 kHz / 60 dB
Usable Sensitivity IHF 1.8 uV / 16.4 dBf
Channel Separation 1kHz 45dB

TUNER SECTION AM

Frequency Range 531 – 1602kHz
Signal to Noise Ratio 50dB
Distortion 400Hz, 30%mod 0.5%
Channel Selectivity +/-20kHz 70dB
Usable Sensitivity Loop 400uV

VIDEO SECTION

Input level/impedance 1 Vp-p / 75 ohm
Output level/impedance 1 Vp-p / 75 ohm
Video frequency response 5-30MHz
Component video frequency response 5-80MHz
Signal to Noise Ratio 60

GENERAL

Available colours: Silver/Black
Metal Front Panel
Remote Control: RC1400
System Remote Control: Pre-programmed / Learnable
Detachable Power Cable
Maximum Dimensions (Wx D x H): 440 x 463 x 186.mm
Weight: 14.8 Kg

Видео Marantz SR7500 teardown канала bored_tech