ARC D-110
Not much is documented about the ARC D-110. What survives comes from classified ads in period audio magazines, which confirm it was an amplifier from Audio Research Corporation (Audio, October 1980, p.144).
An Audio classified from July 1980 offered a mint-condition D-110 at $1700 (p.83). Several months later, another listing paired an Audio Research SP6A preamplifier with a "D-110 AMP" at $1250 (Audio, October 1980, p.144). By December 1983, a D-110 was again available at $1250. It was listed next to the D-110(B) at $1395, the D-90 at $1195, and the D-150 at $2850 (Audio, December 1983, p.111).
These classified entries, such as one in Audio (December 1983, p.111) listing the D-110 at $1250, place the D-110 in ARC's amplifier line, grouped with models like the D-76A, D-90, and D-150. Beyond these used-market prices, no original specifications, production dates, or service documentation have surfaced in the archival record.
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