audio research amplifiers

stereo amplifiers

ST-70-C1
ST-70-C2
ST-70-C3
DUAL 50
DUAL 51
DUAL 75
DUAL 100
DUAL 400
D-40
D-52
D-60
D-70
D-76
D-79
D-90
D-100
D-110
D-111
D-115
D-120
D-125
D-150
D-160
D-250
D-350
CLASSIC 30
CLASSIC 60
D130
D200
D240
D300
D400
V35
V70
VT50
VT60
VT100
VT130
VT200
VS55
VS60
VS110
VS115
100.2
150.2
300.2
HD220
SD135
DS225
DS450
REFERENCE 110
REFERENCE 150
REFERENCE 75

mono amplifiers

HF-30
M-60
M-100
M300
CLASSIC 120
CLASSIC 150
V140
VT150
VTM120
VTM200
VM220
DS450M
REFERENCE 300
REFERENCE 600
REFERENCE 610T
REFERENCE 750
REFERENCE 210
REFERENCE 250

multichannel amplifiers

SDA1
150M

integrated amplifiers

CUSTOM
CA50
VSi55
VSi60
VSi75
DSi200