Audio Research D-70 (1983)
A high-powered tube amplifier introduced in 1983, noted for its exceptional performance and challenging serviceability.
Overview
The Audio Research D-70 is a tube power amplifier produced by Audio Research in 1983. Known for its formidable presence in high-end audio systems, the D-70 earned passionate praise from reviewers and owners, with one calling it "the finest piece of hi-fi equipment—regardless of type—that I've had the privilege to use." It has been described as a "narcotic" by another reviewer, reflecting its compelling sonic character. The amplifier is reported to pair exceptionally well with Magnepan MMG speakers, bringing them "to life."
Specifications
| Product type | Tube power amplifier |
| Production years | 1983 |
Market
The D-70 mkII has appeared in the collector market in restored condition, with interest in near-mint examples and inquiries into current value. One owner described it as "a nightmare to repair," suggesting potential challenges in maintenance. Despite this, it remains highly regarded, with users affirming reviews calling the mkII version "excellent, well written."
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