Tandberg 9000X (1973)
A three-motor reel-to-reel deck that Tandberg's own advertising called the finest stereo recorder available. It was priced to match.
Overview
The 9000X arrived in 1973 as the top of Tandberg's line. It launched alongside the 3300X and the TCD-300 cassette deck in a coordinated refresh the company advertised under the banner "Tandberg tops Tandberg three ways." Tandberg's own copy billed the 9000X as the ultimate Tandberg and, in the opinion of most experts, the finest stereo recorder available. That is marketing, not a lab verdict. It does show where the deck sat in the lineup and how seriously the company positioned it.
The headline engineering claim was the logic control system. Tandberg advertised "the most sophisticated logic control system in tape recorder history," with 15 integrated circuits doing the work of almost 700 transistors to deliver fingertip operation and proper sequential function interlocking. The deck ran three motors and offered true one-hand tape threading. An illuminated peak-reading meter system showed what was actually being delivered to the tape. Tandberg also advertised optional four-channel playback capability.
It was a big deck. It measured 16⅛ inches by 15¾ inches with a 7-inch depth, and weighed 34 pounds according to HiFI-Stereo (August 1973, p.54). That review put the price at $649.50, with an optional remote-control unit, equipped with special provisions for timer use, at $79.90. Dynamic microphones were listed at $49.80 each, a carrying case at $40, and a dust cover at $12.
On the bench, HiFI-Stereo (August 1973, p.54) reported playback frequency response well within ±2 dB from 50 to 7,500 Hz at 3¾ ips, and from 50 to 15,000 Hz at 7½ ips, measured across the full range of the Ampex test tapes. The ±2 dB tolerance is the number to look at here. It says the response was flat across those ranges, not just that it reached a spec-sheet figure.
The 9000X shows up repeatedly in the classified pages of the American audio press through the mid-1970s and into the early 1980s. A 1974 Audio classified listed one at $600 with full warranty. A Washington dealer, Myer-EMCO, advertised the 9000X at $699 alongside the 9200XD at $899 in a period flyer. As late as 1982, Audio classifieds still paired "Tandberg new TD20A (high speed), 9000X open reel" in dealer listings, which suggests the model was still worth naming next to Tandberg's later machines.
The record does not give a clean production run, a service manual, or a settled collector price. It does show a deck that Tandberg built as its flagship and sold at a flagship price, with an ambitious logic-control design.
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