SONY PS-X800 (1981) | Biotracer Tangential Tracking

 

The Biotracer Tonearm and Tangential tracking: A Perfect Match...said Sony in 1981. The PS-X800 is designed for audiophiles and music lovers who will settle for nothing but the very best reproduction of music from their record collection. The Sony Biotracer tonearm controls tracking force, anti-skating and tonearm automatic functions. It actively damps tonearm/cartridge resonance and achieves wide stereo separation from the widest variety of cartridges.

Technical data:

Motor: Linear BNL-Motor

Drive system: Full Automatic Quartz Direct Drive

Tonearm: Biotracer Linear/Tangential Tonearm

Arm length: 180mm

Size: 430x120x345mm

Weight: 11,6 kg

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PIONEER SA-9800 (1979) | Fluroscan Series

 

Pioneer's Non-switching SA 9800 offers the efficiency found in the finest Class B amplifiers. With a distortion level found in the finest Class A. An unheard of 0.005% at 10-20.000 hertz. This level of performance is obtained by the use of RET (Ring Emitter Transistors) that greatly increase frequency response. Instead of slow-to-react VU meters that give you average readings the SA 9800 offers a Fluroscan metering system that is so fast and precise it instantaneously follows every peak in the power to make sure you're never bothered by overload or clipping distortion.

Continuous power: 2x100W 8ohm 10-20.000Hz

Total harmonic distortion: 0.005%

Frequency response: 5Hz-100kHz

Dimensions (WxHxD) 420x150x425mm

Weight: 18kg

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MITSUBISHI DT-30 (1979) | Good Vibrations

In 1979 Mitsubishi introduced a top cassette recorder, the DT-30. This is a discrete 3-head model featuring a 2-motor dual capstan mechanism mounted on a die-cast chassis. It is capable of handling Normal, FeCr and Chrome tapes while for each tape type optimum record results can be obtained with the help of the built-in test signal and bias adjust. The ASPS function let's you automatically insert a 3 second silence at the end of the recording. Another advanced feature is the turntable synchro function. When connected to the DP-EC20 turntable recording starts automatically as soon as the tonearm is lowered. Feel the Good Vibrations. 

Motors: PLL DC Servo motor and DC governor motor

Heads: Ferrite Record & Erase, Sendust Playback

Wow & Flutter: 0.04% (WRMS)

Frequency response: Normal 30-17.000Hz

Fe-Cr 30-20.000Hz

Special (Chrome) 30-18.000Hz

Recommended Tapes: Normal Sony HF

FeCr Sony DUAD

Special TDK SA

Dimensions: 425x120x379mm

Weight: 10.5kg  

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DENON DP-S1 (1993) | The Reference Component

 

Brand: DENON

Model: DP-S1

Year: 1993

The DP-S1 from Denon is State--of-the-Art-CD Transport. Just like a Swiss watch it is featuring ruby bearings that guarantee precise and trouble-free operation. The chassis is made of a non-magnetic sand-cast alloy while the disc stabilizer is turned from a solid slab of alloy. The CD mechanism with it's 6mm spindle shaft resting on a ruby bearing was actually built by Victor (JVC) and it can also be found in the Yamaha GT-CD1 and GT-CD2. The laser unit is mounted in a air-tight and light-isolated chamber. All this is secured by a triple floating suspension mounted on a solid slab base. The top cover is motorized and can be remote controlled with a hand-held unit delivered in its own box. The DP-S1 features five digital outputs (coaxial, TOS, AES/EBU, BNC and optical ST) and it was designed to be used in conjunction with the DA-S1 Alpha Processing D/A converter unit. Size of the unit: 434x143x400mm | Weight: 16,7kg.

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JAMO CBR 200 (1986) | Digital Monitor

 

The CBR 200 introduced by Jamo of Denmark in 1986 was part of their so called Digital Monitor Series. This series has an unusual asymmetric construction with NCC (Non Coloration Compound) front panel and a very unique bass reflex system, the CBR (Center Bass Reflex). With this system the reflex port surrounds the whole contour of the bass speaker instead of a more conventional reflex tube.

System: 3-way CBR

Bass unit: 25cm dual magnet

Midrange unit: 13cm

Treble unit: 25mm dome

Rated power: 200W

Frequency range: 28-24.000Hz

Impedance: 4-8 ohm

Dimensions: 82x40x35cm

Weight: 25kg

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DENON DR-750 (1977) | Studio Precision

 

DENON introduced the DR-750 in November 1977 and it has researched better tonal quality through a tape transport mechanism, the head, and the amplifier design of the DR-750 cassette tape deck. Recording and playback head consists of unique Sendust tip developed by DENON, so that it records with a wider dynamic range together with a superior recording linearity and the lowest distortion at a high level. Combined with the DENON high quality head, model DR-750 achieved an excellent tonal quality. For broadcasting stations a studio rack with a Denon reel to reel and two DR-750 was also available.

Driving system: 2-Motor Dual Capstan

Head: Sendust 

Wow & Flutter: 0.045% WRMS

Frequency response: 35-18.000Hz Chrome

Dimensions: 415x303x226mm (WxHxD)

Weight: 12.5 kg

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Technics SL-P777 (1988) | Linear 18-bit 4DAC

 

Brand: Technics

Model: SL-P777

Year: 1988

The Technics SL-P777 utilize a 4DAC linear 18-bit system for the D/A converter. This circuit employs a 4 DAC configuration in which a D/A converter for the positive signal and a D/A converter for the negative signal are mounted on each of Lch and Rch. Each component is individually D/A converted and synthesized by a newly developed 4 dac control LSI, eliminating the generation of 0 cross distortion in principle. In addition, the S/N ratio of 112 dB or more is ensured by canceling out common-mode noise, greatly improving the reproducibility of small signals. The digital filter that removes unwanted high-frequency components from the input signal from the CD employs a high-precision four times oversampling digital filter, which provides twice the time resolution of the conventional 16-bit two times oversampling output waveform. It is equipped with an 8-sample linear interpolation circuit. When a data error occurs due to scratches or dirt on the disk signal surface, if the number of data errors is up to 8 in succession, the signal does not shift to the previous value hold and the linear interpolation prevents noise generation. A class-AA system, unique to Technics, is adopted for the buffer amplifier and headphone amplifier. High-quality audio parts are used to further improve sound quality. The Edit Guide function automatically calculates and displays on the display the number of songs, number of songs and remaining time that can be recorded on the A side and B side of a tape by simply selecting the length of the tape to be used (90 minutes, 60 minutes or 46 minutes). It is equipped with an auto-peak search function that automatically detects the peak level of all songs on the disc or program songs, and then repeats playback for approximately 3 seconds before and after the peak point, for a total of approximately 6 seconds. This function allows you to easily set the recording level at the deck. Equipped with shuttle search, it is possible to search from 1/8 times speed to 76 times speed by the angle of the dial in 4 stages each in forward and reverse directions. A wireless remote control is also included.

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MITSUBISHI LT-5V (1979) | Linear Tracking & Vertical

 

Brand: MITSUBISHI

Model: LT-5V

Year: 1979

The LT-5V from Mitsubishi (Diatone in Japan) is a vertical record player with linear tonearm. Thanks to its vertical design, the LT-5V only needs a depth of 20 cm. It fits into almost any shelf, cupboard, narrow console or window sill. Since it is operated exclusively from the front, the device can be placed at eye level. The black disc finds a particularly secure position on the LT-5V platter: A stable, hinged bracket holds it on the central axis. With light pressure, the holder snaps into place and fixes the disc in the center. The technology: Belt drive, two turntable bearings and internal flywheel for weight compensation guarantee minimal wear and low-vibration, stable synchronization over a long period of time. The vertically suspended, tangentially guided tone arm makes no tracking errors. A motor guides the tone arm over the record with opto-electronic control and 0.1 degree accuracy. A second motor takes over the vertical movement, raising and lowering the arm.

Technical data:

Type: 2-speed Fully Automatic 

Motor: 2-motor belt drive

Platter: 30.4cm diameter, Aluminum Die-Cast

Wow & Flutter: 0.045% WRMS

Signal-to-noise ratio: 76dB 

Frequency response: 15-26,000Hz AT-12E 

Tonearm: Static-balanced type Linear tracking tonearm

Effective tonearm length (total length): 180mm 

Dimensions: 466x430x200 (WxHxD)

Weight: 12.5kg

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Victor Create D1 Dynamic (1976)

 

The "Create D1 Dynamic" Hi-Fi system was introduced in 1976 by Victor (JVC-Japan Victor Company). This "all wood and metal" Hi-Fi system featured the following "11 series" components: JA-S11 30W/ch stereo amplifier, JT-V11 FM-Stereo tuner, KD-11 cassette deck. They were all installed in a dedicated stand with place for a turntable on the top. Also seen in this original Victor advert are a pair of 2-way loudspeakers with 20cm bass units Made in Germany by Kurt Mueller on dedicated stands, a pair of stereo headphones and as an external source the KD-4 field recorder. This system combo not only has great sound quality, but also an impressive metallic wood design.

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PIONEER 850 System (1974) | Multi-Amp System

 

The Pioneer 850 Series was introduced in 1974 and it consisted of the SC-850 stereo preamplifier, SF-850 electronic crossover network and the 40W/ch SM-850 stereo power amplifier. In its basic combination one could use the preamplifier and power amplifier in a traditional stereo system. On the other hand, using the electronic crossover network allows the user to build a high performance three way audio system. Inserting the electronic crossover after the preamplifier one can use three power amplifier, each dedicated for the bass, medium and high frequency driver of a loudspeaker. Thus offering a greater flexibility in fine tuning your sound system. Typical size of a unit: 350x138x329mm.

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SONY TC-PB5 (1981) | Half Deck

 

The TC-PB5 is a half-size cassette deck specialized for music playback. The additional RM-65 remote control allows synchronized play with other compatible recorders. With the RMS (random memory music sensor) you can program up to 15 songs randomly in the desired order. You can start and play one after another according to the order of stored songs. You can also play the same song repeatedly. The TC-PB5 is equipped with a S & F (Sendust & Ferrite) head. This head combines the maximum magnetic flux density of Sendust alloy and the high frequency characteristics of ferrite. The deck features a 2-motor type mechanism with feather touch logic control, auto tape selector and Dolby B noise reduction. The TC-PB5 can be used in a conventional stereo hi-fi system or with SA-55 active speakers as a compact playback solution.

Driving system: 2-Motor

Head: Sendust & Ferrite

Wow & Flutter: 0.05%

Frequency response: 20-19.000Hz (Metal)

Dimensions: 215x105x280mm (WxHxD)

Weight: 3.5 kg

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DUAL CD 110 (1982) | Compact Disc...Digital Audio

 

In 1982 DUAL presented with great detail (in a dedicated brochure) the CD 110 Compact Disc player. There are several aspects of this model worth to mention. The CD 110 was based on the Philips CD 100 (a 14-bit 4-fold oversampling model) but the Dual brochure is presenting-it as a 16-bit model. While the CD player features the official Compact Disc Digital Audio logo the brochure shows a pre-standardization Philips Compact Disc (without the Digital Audio text) from 1977. In conclusion this model was never mass produced, Dual opting for rebadged Hitachi CD players as their first models.

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Victor QL-Y66F (1986) | Quartz Direct Drive

 

Brand: Victor/JVC

Model: QL-Y66F

Year: 1985

This is a full-auto player of purest sound quality. An Electro Dynamic servo arm is used for the tone arm. The ED servo tone arm is an electronic Q damping arm that detects vibration of the arm by two pairs of coreless linear motors directly connected to horizontal and vertical bearings, and cancels the vibration by generating inverse torque by feedback control of a microcomputer. This suppresses needle skipping and intermodulation distortion induced by low frequency resonance. In addition, full automatic operation is possible without touching the arm with button operation. In addition, manual operation is also supported and the arm can be moved by hand. The cabinet uses a rose-like all-wood cabinet with mirror finish. The servo circuit uses a double-servo quartz circuit with 30 times higher quartz lock stability than conventional ones.

Technical data:

Type: 2-speed Fully Automatic 

Motor: Quartz Direct-Drive 

Platter: 35cm diameter, Aluminum Die-Cast

Wow & Flutter: 0.015% WRMS

Signal-to-noise ratio: 80dB  

Tonearm: Electro-Dynamic servo tone arm

Effective tonearm length (total length): 254mm 

Dimensions: 495x187x405 (WxHxD)

Weight: 12.3kg

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