AKAI GX-4000DB (1981)

 

The story of THE 4000 series from Akai dates back to 1975 which in turn was an upgraded version of a model introduced in the mid 60s. THE 4000 model range is probably the most recognisable basic open reel deck in history. After countless revisions and upgrades the final version GX-4000D remained in production until the mid 80s. One of this versions was the GX-4000DB shown here that included Dolby noise reduction. Technical Data: 4 track, 2 channel stereo/mono system | Reel capacity up to 18cm | Wow & Flutter 0,08% WRMS | Frequency response 30-24.000 Hz at 19cm/s | Heads 3-head GX | Motor: 1-motor belt drive | Dimensions (W/H/D) 440x315x230mm | Weight: 13,2kg

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Early 70s 4000 diagram 

DUAL CS 627 Q (1981)

 

The Dual CS 627 Q is a fully automatic, Quartz-PLL direct-drive turntable introduced in June 1981, representing Dual’s advanced engineering direction of the early 1980s. Available in elegant Satin Metallic finish, the CS 627 Q was housed in the company’s specially developed HDC (High Damping Compound) plinth, designed to minimize structural resonance and external vibration. Four integrated, height-adjustable shock-absorbing feet further enhance isolation and stability. At its core lies the electronically controlled EDS 502 direct-drive motor, governed by Quartz PLL speed stabilization for exceptional rotational accuracy. When Quartz lock is disengaged, the turntable offers a generous ±11% variable pitch control, allowing precise speed adjustment. The CS 627 Q was factory-equipped with the Ortofon TKS 55 E cartridge featuring an elliptical stylus, mounted in Dual’s newly developed U.L.M. (Ultra Low Mass) tonearm system. This ultra-light arm design minimizes....

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SABA HiFi-350 (1981)

 

The result of state-of-the-art technology: the SABA HiFi Series 350. Introduced in 1981 it promised a new benchmark in HiFi technology – inside and out. At just 35 cm wide, the four components deliver precision performance, perfectly matched to each other. Its dimensions (smaller) and qualities (better) were made possible by a new technology: The HIGH-SPEED-CONTROL B power amplifier circuit.

The technology of the individual components:

Integrated Amplifier MI 350: 2 x 50 W music power (2 x 35 W RMS). Output power readable via a five-LED chain. Input for turntables with moving magnet or moving coil cartridges. Connection options for 2 tape recorders or 2 cassette recorders (also combined) and 2 speaker groups. Tuner MT 350: Three wavebands (FM, MW, L) and quartz synthesizer tuning for pure sound and quartz-accurate station storage. Manual and electronic station search. 7 (dual-assignable) station buttons. Cassette deck CD 350: For metal, chrome, and standard tapes. Soft-touch controlled transport; a light touch is all it takes to perform the desired function. Automatic scan for easier location of specific recordings. Fluorescent indicator for monitoring the recording level. Tape counter with memory function, mute function, and Dolby noise reduction. CSP 350 turntable: Tangential tonearm, fully automatic, and direct drive. Pitch control fine adjustment and luminous strobe indicator. All functions operable with the dust cover closed. Finish: nickel silver. Dimensions: Tuner: 35 x 6.5 x 24 cm Amplifier: 35 x 6.5 x 24 cm Cassette deck: 35 x 12.5 x 24 cm Turntable: 35 x 15.5 x 35.5 cm (W x H x D). The TU-35 (white) and TU-355 (wood) racks were sold separately while the matching loudspeakers were the B-3500.

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