Accuphase Laboratory, Inc.　New product

PRECISION STEREO PREAMPLIFIER C-2850

AAVA volume control for high performance and outstanding sound
Separate high-efficiency toroidal power transformers for left and right channels
Fully modular construction with separate left/right units for each amplifier stage
Logic-controlled relays for shortest signal paths
Independent phase selection for each input position
Printed circuit boards made from glass cloth fluorocarbon resin
Optional playback capability for analog records
Massive wood cabinet with natural grain finish

Output stage with 10-parallel push-pull arrangement in each channel delivers ample power down to extremely low load impedances of 1 ohm
Amplification stage features low-noise instrumentation amplifier topology
Further refined MCS+ circuit
Current feedback principle combines excellent sound quality with total operation stability
Bridged connection mode allows upgrading to monophonic amplifier
4-stage gain control
Newly developed massive toroidal transformer with high power capacity

Revolutionary AAVA volume control
Output stage with high power transistors in parallel push-pull configuration produces quality power: 100 watts x 2 into 8 ohms
Instrumentation amplifier principle for power amplifier block allows fully balanced signal transmission
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

Pure Class A operation delivers quality power: 45 watts x 2 into 8 ohms
Power MOS-FET output stage features 6-parallel push-pull configuration
Instrumentation amplifier principle used in amplification stage
Further evolved MCS+ circuit topology
Current feedback principle combines stable operation with outstanding sound quality
Bridged connection mode allows upgrading to monophonic amplifier
Large high-efficiency toroidal power transformer
4-stage gain control

Revolutionary low-noise "Balanced AAVA Volume Control"
High-rigidity, high-accuracy volume knob sensor mechanism
Separate high-efficiency toroidal power transformers for left and right channels
Selectable preamp gain
Fully modular construction with separate left/right units for each amplifier stage
Logic-controlled relays for shortest signal paths
Independent phase selection for each input position
Printed circuit boards made from glass cloth fluorocarbon resin

Two totally identical power amplifier units driven in parallel
Output stage features novel high-power transistor devices in a dual 8-parallel push-pull arrangement
Latest low-noise instrumentation amplifier technology
MCS+ circuit and current feedback topology in amplification stage
Support for bridged use of two M-6200 units with even higher output power
Strong power supply with massive high-efficiency toroidal transformer and large filtering capacitors

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