Accuphase Laboratory, Inc.　New product

MDSD DIGITAL PROCESSOR DC-37

Revolutionary AAVA volume control
Power MOS-FETs in triple parallel push-pull configuration deliver ample power: 180 watts/channel into 8 ohms
Instrumentation amplifier principle for power amplifier input stage allows fully balanced signal transmission, complemented by MCS+ topology and current feedback amplification circuitry
Logic-control relays for the shortest signal paths
Strong power supply with massive high-efficiency toroidal transformer and large filtering capacitors

Dual mono construction with left/right separate MC head amplifier and equalizer sections
Highly precise equalization: RIAA deviation only ±0.3dB
Versatile load impedance switching options with 6 settings for MC and 3 settings for MM
Gain switching enables high gain of up to 70dB
Three inputs for analog players or tone arms, each with a separate memory for MC/MM, load impedance, gain, subsonic filter and other settings
Two sets of analog outputs for balanced and Line connections
Phase selector for balanced outputs

Pure Class A operation delivers quality power: 30 watts x 2 into 8 ohms
Power MOSFET output stage features 3-parallel push-pull configuration
Instrumentation amplifier principle used in input stage
Amplification stage implements further evolved MCS+ topology
Current feedback principle combines stable operation with outstanding sound quality
Bridged connection mode allows upgrading to monophonic amplifier
Strong power supply with massive high-efficiency transformer and large filtering capacitors
4-stage gain control

Pure Class A operation delivers quality power: 60 watts x 2 into 8 ohms
Power MOS-FET output stage features 10-parallel push-pull configuration and delivers linear high power progression to ultra-low 1-ohm impedances
Ultra low-noise instrumentation amplifier principle used in input stage
Amplification stage implements further evolved MCS+ topology
Current feedback principle combines stable operation with outstanding sound quality
Bridged connection mode allows upgrading to monophonic amplifier
Two selectable meter types: digital power meters showing true power values and bar graph indicators

Fully digital signal processing Voicing Equalizer
High-speed 40-bit floating point DSP
Separate digital filters for Voicing and Equalizer sections
Wide-format color LCD panel allows direct drawing of response curve with stylus pen
Freely programmable 30 pattern memory
Real-time spectrum analyzer for display of music signal and microphone input
Analog and digital inputs/outputs provided as standard

Revolutionary AAVA volume control
Output stage with triple parallel push-pull power MOS-FETs
Instrumentation amplifier principle for power amplifier input stage allows fully balanced signal transmission, complemented by MCS+ topology and current feedback amplification circuitry
Logic-control relays for shortest signal paths
Strong power supply with massive high-efficiency transformer and large filtering capacitors
POWER IN button allows separate use of preamplifier and power amplifier sections

High-grade SA-CD/CD drive
MDSD type D/A converter using eight parallel devices
Support for playback of DSD discs with DSF file format
"Direct Balanced Filter" with separate balanced and unbalanced signal paths
HS-LINK and USB digital interfaces
EXT DSP inputs and outputs allow insertion of DG-58 into signal path for sound field correction
Phase selector for balanced outputs
Numeric indication of sampling frequency