Audio Research SP14 - User Manual

Overview of the SP14 hybrid stereo preamplifier's design, features, and benefits.

Details on the manufacturing process, component quality, and testing procedures.

Crucial safety precautions regarding electrical hazards, moisture, and fuse replacement.

Guidance on retaining packaging and information about the SP14's vacuum tube.

Comprehensive explanation of all user controls on the SP14's front panel.

Details on connecting input sources and output to amplifiers.

Instructions for adjusting input impedance and capacitance for optimal cartridge matching.

Information on power receptacles, grounding, and fuse specifications.

Steps for powering on, warm-up, and using muting features for protection.

Procedures for powering down and basic maintenance like cleaning.