NOTE: When you buy through our links, we may earn a commission. Learn more*
Audio Research SP-3 Vacuum Tube Amplifier Operation Confirmed
Buy: $3055.56 EUR
ESOTERIC AUDIO RESEARCH 834L Vacuum Tube Preamp with cables & manual
Buy: $2303.69 EUR
ESOTERIC AUDIO RESEARCH 834L Vacuum Tube Preamp with cables & manual
Buy: $2303.70 EUR
ESOTERIC 834L Vacuum Tube Preamp with cables & manual AUDIO RESEARCH
Buy: $2287.02 EUR
Ultimate Audio Research Operation Repair & Service manual schematics  390 on DVD
Buy: $17.07 EUR
Audio Research LS28SE Line Stage Preamp (Natural Silver)
Buy: $9500.00 EUR
Audio Research REF80S - Natural Silver 2x70W Stereo Amplifier
Buy: $14999.00 EUR
AUDIO RESEARCH SP-3 Schematic Diagram for Service and Instruction Manual
Buy: $8.99 EUR