The Technics Touch 7 represents a fascinating moment in vintage hi-fi, when manufacturers were trying to combine traditional stereo components with the emerging world of CD, electronic controls and home surround sound. With its touch-operated graphic equalizer, spectrum analyzer, dual-reverse cassette deck and optional CD player, the SA-X77 was designed as a complete entertainment system rather than simply another stereo amplifier.
.jpg "Technics Touch 7 (1985)")
Main Specifications
System configuration: SU-X77 amplifier + ST-X77T tuner + RS-X77WR double cassette deck
(Separate box components that link together via propreitary cable)
Surround sound: AV surround processing with dedicated Music and Movie positions
Equalizer section: Touch-operated 7-element electronic graphic equalizer
Spectrum analyzer: Real-time visual display of sound level across the frequency spectrum
Equalizer memories: Four user-programmable memories plus preset curves for rock, jazz and vocal music
Equalizer Plus: Allows two stored equalizer curves to be combined
Equalizer Reverse: Inverts a stored equalizer curve
CD player: Optional SL-PJ11 Compact Disc Player
CD pickup: FF-1 laser pickup
CD programming: Random programming of up to 15 tracks
Cassette deck: Double-speed, double-reverse configuration
Cassette functions: Recording, playback, re-playback and relay playback
Tape editing: Double-speed tape-to-tape editing
Broadcast reception: FM/AM plus stereo and bilingual VHF TV audio
Tuning system: Quartz synthesizer tuning for TV, FM and AM
Recording: Equalized recording directly from the graphic equalizer
Timer functions: Timer recording and timer playback
Speakers: SB-X77, using large 20 cm flat two-way drivers
Speaker shielding: Magnetically shielded for placement near a television
Turntable option: SL-J22 fully automatic turntable
Surround speakers: SB-S30 full-range surround speakers
Headphones: EAH-T15 stereo headphones
Microphone: RP-VK30 dynamic vocal microphone
Original sale price in Japan (including CD player) 269.600 Yen
The most distinctive feature is the touch-operated equalizer. Rather than relying on conventional rotary controls or sliders, the SA-X77 allowed the listener to interact directly with the graphic equalizer panel. A light touch could effectively create an equalization curve, making the system feel considerably more advanced than a conventional integrated stereo receiver. The seven-band electronic graphic equalizer was paired with a spectrum analyzer, giving the listener a visual representation of the music's frequency balance. For a vintage enthusiast, this is one of the features that gives the SA-X77 its personality. Equalizer Plus and Equalizer Reverse. The equalizer section went considerably further than simple tone adjustment. Four memory positions allowed users to store their own curves, while factory-programmed settings were provided for music such as rock, jazz and vocals. The unusual Equalizer Plus function could combine two memorized curves, while Equalizer Reverse inverted an existing curve. These features were useful not only for listening but also for adapting recordings to a particular room, correcting the acoustic character of a listening space, or preparing tapes specifically for headphone listening. AV Surround Sound with Music and Movie Modes. The SA-X77 was also aimed at the emerging home-surround market. Its AV surround function offered dedicated Music and Movie positions, allowing the effect to be tailored to the source material. Music programming could be given a more spacious concert-like presentation, while Movie mode was intended for Dolby Stereo-compatible film material and dramatic sound effects. The surround effect could also be adjusted manually, making the system considerably more flexible than a simple fixed surround circuit. The matching SL-PJ11 Compact Disc Player incorporated the FF-1 laser pickup and offered programmable playback of up to 15 tracks. The ability to select tracks and play them in a programmed or random sequence added an entirely new dimension to a system that was otherwise heavily rooted in the cassette era. This combination of analog cassette technology and early digital playback is particularly interesting from a historical perspective. The cassette section was designed for convenience rather than purist simplicity. Its double-reverse mechanism allowed recording and playback in both directions, while relay playback could automatically continue from one tape to another. A double-speed editing function was also provided, allowing tape-to-tape copying in approximately half the normal time. For the original owner, this made the SA-X77 a versatile music-production and listening system rather than merely a playback deck. In addition to conventional FM and AM reception, the system could receive VHF television audio, including stereo and bilingual broadcasts. Tuning was handled by a quartz synthesizer system, giving the receiver the precise electronic tuning that was becoming increasingly common in higher-end Japanese equipment. It is an excellent example of how manufacturers were turning the stereo system into a general-purpose home entertainment center. Speaker System: SB-X77. The matching SB-X77 speakers were anything but tiny. They used large 20 cm flat two-way drivers and incorporated magnetic shielding, allowing them to be positioned relatively close to a television without causing the color distortion associated with unshielded loudspeakers. The matching surround system could be expanded with a pair of SB-S30 full-range speakers. This made it possible to build a complete surround setup around the main stereo system rather than treating surround as an entirely separate component category.
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.jpg "Technics Touch 7 (1985)")
.jpg "Technics Touch 7 (1985)")
.jpg "Technics Touch 7 (1985)")