19744 📃
SONY open reel deck catalog, November 1974: the full Secloff series plus 4-channel models. The center spread shows the entire lineup at once - TC-8750-2 and TC-9000F-2 at the top, down through TC-6000 and TC-6360A, with 4-channel decks TC-7850, TC-6040 and others alongside. A dedicated technology page lists seven proprietary SONY developments including the F&F head, closed-loop dual capstan, and logical control system. The back cover covers the ECM condenser microphone lineup and MX series mixers.
- F&Fヘッド (フライト&フェライト) - F&F head (Ferrite & Ferrite) - ferrite head with ferrite core, providing high recording density and minimal wear
- クロースループ・デュアルキャプスタン式 - Closed-loop dual capstan - tape runs through two capstans in a closed loop, eliminating wow & flutter and slippage
- FETアンプ - FET amplifier - low-noise circuit stage with high input impedance using field-effect transistors
- ACサーボモーター - AC servo motor - AC motor with servo control for stable tape speed
- 特殊エスカレーター・ドライブ - Special escalator drive - smooth tape loading and take-up mechanism without sudden starts or stops
- スクレーフルタ - Scrape flutter filter - damping element between heads that eliminates high-frequency flutter caused by tape-to-head friction
- ソニー式ロジカル・コントロール・システム - Sony logical control system - electronic mode switching (play/record/rewind) without mechanical levers, preventing tape damage during fast mode changes
| Model | Type | Price |
|---|---|---|
| SONY TC-8750-2 | open-reel deck, Secloff series, top model | |
| SONY TC-9000F-2 | open-reel deck, Secloff series | |
| SONY TC-7600 | open-reel deck, Secloff series | |
| SONY TC-7660 | open-reel deck, Secloff series | |
| SONY TC-6860 | open-reel deck, Secloff series | |
| SONY TC-8200 | open-reel deck, Secloff series | |
| SONY TC-6360 | open-reel deck, Secloff series | |
| SONY TC-6360A | open-reel deck, Secloff series | |
| SONY TC-6200 | open-reel deck, Secloff series | |
| SONY TC-6000 | open-reel deck, Secloff series | |
| SONY TC-7850 | open-reel deck, 4-channel | |
| SONY TC-7350 | open-reel deck, 4-channel | |
| SONY TC-6040 | open-reel deck, 4-channel | |
| SONY TC-4680 | open-reel deck, 4-channel |
昭和49年11月（1974 November）
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