KYOCERA DA-910 (1984) | Better Sound Based on Ceramics

 

The Kyocera (Kyoto Ceramic) DA-910 Remote Control Compact Disc Player stops vibration in its track. How? With ceramics technology-Kyocera's innovative method of ensuring steady laser tracking-immune to vibrations. The bottom line: total purity of sound. Why ceramics? They're rigid and inert, so they provide uncommon stability and resistance to mechanical vibrations from audio feedback. They're non-ferrous, so there are no chassis eddy currents to cause electrical hum. The handsome ceramic-compound resin base of the DA-910 CD player is actually the chassis-supporting and housing all components and isolating vibration. Resonance from the cabinetry is almost non-existent. But Kyocera doesn't stop there. Digital audio's technical requirements demand un-precedented circuit capability so we use fine ceramics throughout to further conquer vibration. For example, all discrete hi tolerance audio components and the 3rd order Besselle analog filters are ceramic encased. There are other material differences. In-stead of an ordinary laminated E frame, Kyocera use a solid ferrite cutlass core power transformer to cut eddy currents, minimize flux leakage and improve voltage regulation. And instead of ferrous metals, Kyocera use 100% aluminum and zinc chassis construction including a diecast laser head and a precision disc drive mechanism.

KYOCERA DA-910 Specifications

Frequency response: 5Hz-20kHz (±0.5dB)

Signal-to-noise ratio: More than 95dB (I kHz)

Dynamic range: More than 95dB (1 kHz)

Harmonic distortion: Less than 0.005% (1 kHz. 0dB)

Wow and flutter: Unmeasurable (dependent on precision of crystal oscillator)

Channel separation: More than 90dB (I kHz)

Dimensions: 430 (W) x 140 (H) x 330 (D)mm 

Weight: 9.5 kg

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ONKYO Radian F7 (1988) | Multi Program Compo

 

The Onkyo Radian F7 consists of the following components: PL-99X fully automatic turntable, PT-F77 TV-FM stereo tuner, PA-F77 stereo integrated amplifier, PE-F77 graphic equalizer, PC-WF77 stereo double cassette deck, DX-F77 compact disc player and PS-F77 loudspeakers.

Main features: The CD triple file allows the CD player to store three pieces of information for each favorite disc. The contents are: a character file that displays your favorite characters (alphabet + numbers + symbols), a memory selection file that programs and plays your favorite song order, and a graphic equalizer pattern file that lets you specify your favorite sound arrangement. It's a new way to enjoy compact discs. The CD player is a High-performance model using optical digital transmission that transmits music via optical signals to the D/A converter built into the amplifier. The cassette deck is equipped with two real time counters that digitally display the elapsed time and remaining time on the tape in minutes and seconds. Time information for Tape 1 and Tape 2 is displayed independently. Editing from CD to tape and from tape to tape has been greatly improved in accuracy. This is a double REC double reverse deck with two recording/playback reverse mechanisms. It can record to two tapes at once, record to tape 1/2 simultaneously, record continuously for 3 hours using two C-90s, and record continuously from tape 1 to tape 2 on both sides. The REC level volume allows you to manually set the recording level, making it possible to accommodate advanced recording techniques. Other functions include: ● Dolby B/C NR 15-track skip selection ● Fully automatic tape selector that automatically detects tape grade (Normal/High/Metal) ● A separate program can be recorded on tape 1/2 while you are away ● Synchronized recording with CD player possible. The tuner/timer is a FM/AM/TV audio multiplex digital tuner. It has a dual display that shows the time and station separately. The PE-F77 is a multi-functional graphic equalizer equipped with four spectrum analyzers. Display 2 can select and display four positions: source, effect, rec, and rear. ●Remote control compatible ●10 patterns stored in memory (5 programs, 5 user sets) ●Peak hold ON/OFF ●Flat switch, reverse switch ●Compatible with CD graphic equalizer pattern files. System remote control included as standard. The amplifier has a built-in D/A converter that converts digital signals into music. In addition to optical digital signals from CD players, it also supports digital input from DAT decks and BS tuners. It also automatically selects the sampling frequency depending on the source, such as 32kHz, 44.1kHz, or 48kHz. By simply adding rear speakers, you can enjoy surround sound with a sense of realism. Moreover, the dynamic surround circuit enhances the surround effect even with just the front speakers. The power is 80W+80W (EIAJ). The loudspeakers are 3-way system. The 27cm woofer is made of advanced high-rigidity material, cross carbon. It directly reproduces the powerful bass contained in the digital source. In addition, the squawker that reproduces the midrange is a delta olefin refined 10 cm unit that brings out the natural vocals, and the treble is a 5cm cone unit. The speaker system is magnetically shielded to reduce the impact on CRTs, etc. Maximum depth 355 (record player), Height of each combo: Record player = 104mm, Tuner = 71.5mm, Amplifier = 129.5mm, Graphic equalizer = 122mm, Cassette deck = 122.5mm, CD player = 124.

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DENON PMA-950 (1980)

 

Specifications

Rated output: 80W+80W (20Hz-20kHz 8ohm)

Total harmonioc distortion: 0.004%

Power bandwidth: 5Hz-100kHz

Dimensions: 470x140x410mm (WxHxD)

Weighjt: 14,5kg

Original price: 1998DM Germany

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Technics RS-M202 (1981) | W-softm

 

Editing, mixing, and multi-track recording can all be done with RS-M202 the first dual well from Technics. Record from cassette to cassette. Place a cassette full of music on the playback deck (Tape 1) on the right, and a empty tape on the recording/playback deck (Tape 2) on the left. Press the dubbing/mix button to set (Tape 2) to recording and (Tape 1) to playback. The recording level can be adjusted with the Level - Tape 1 volume. | Select your favorite songs and edit the tape. You can freely select only the songs you like from the air check tape and edit it. It is very easy to start the selected song with the music selector equipped on Tape 1. | Sing with a tape in the background and record it mixed. Sing with the music played on <Tape 1> in the background and record it on <Tape 2>. The microphone volume can be controlled independently of the background music by the input level volume. | High quality design that allows you to play back with ease. At the heart of each of the <Tape 1> and <Tape 2> is an innovative mechanism that uses the torque of a motor to switch between operations. Stable tape travel allows you to enjoy high fidelity recording and playback with ease. | Auto tape selector & metal compatible. When you set a cassette tape in the tape 2. The selector is featured on both <Tape 1> and <Tape 2>. The recording/playback head <Tape 2> uses an MX head, a Hi-Fi design that takes advantage of the characteristics of metal to enjoy beautiful sound quality.

Main features of the RS-M202● Recording/playback deck + playback deck integrated● Versatile play such as tape editing, mixing recording, and multi-recording● Music selector (Tape 1)● ● Dubbing/mix button● FL display with auto-reset peak hold● Auto tape selector● Level-Tape 1 volume● Dolby NR circuit● Soft-mute drive (Tape 1, Tape 2)● One-button recording● REC mute mechanism● Timer standby mechanism● Soft-mute operation

RS-M202 main specifications●Heads used/MX head (tape 2, recording/playback), high-hardness permalloy head (tape 1, playback), double-gap ferrite head (tape 2, erase)●Motors used/Electronic control DC motors x 2 (tape 1, tape 2)●Frequency response/20-16,000 Hz (Normal), 20-17,000Hz (XAII), 18.000 Hz (Metal)●Signal-to-noise ratio/57dB (XAII, peak), Dolby NR IN: 10dB improvement (5kHz or higher)●Wow and flutter/0.05% (W.R.M.S)●External dimensions/weight/430(W) x 119(H) x 287(D) mm, approx. 5.4kg

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Aurex XR-81 (1981) | CD player prototype

 

Aurex's Digital Audio Disc (DAD) player was based on the compact disc (CD) format. Behind the development of DAD, such as dedicated LSI, semiconductor laser diode, and laser pickup, was Toshiba's 100-year history and comprehensive technical capabilities such as communication technology, material technology, and production technology that have been cultivated in various fields during that time. It was developed based on the accumulated digital audio technology of Aurex/Toshiba, which began with the development of PCM processors. It is an optical DAD player using the CD method, and is a high-performance, compact, and easy to operate audio component for the future. The XR-81 incorpoartaed the TOPH 15 optical pickup head fitted with the TOLD 30/40 laser diodes. The partial type autoloading method makes it quick and easy to load the disc. It feels the same as loading a cassette deck. The front loading and front operation allow for easy stacking with other component devices. The auto search system provides accurate and fast track cues (average access time 3 seconds)...All this effort and a dedicated Japanese brochure for a model that was nothing but a prototype. However, this was actually the basis of the commercially available XR-Z90, one of the first CD players to reach the market. More about the XR-Z90 soon, so don't forget to follow 1001 Hi-Fi.

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Technics SL-7 (1981) | Quartz Direct Drive

 

The Technics SL-7 Quartz D.D. turntable introduced in 1981 has only the size of an LP jacket. A new lifestyle for you. When combining excellent performance and functionality even the appearance is naturally beautiful. There is a beauty that is different from things born from intuition or chance. Highly sophisticated technology is beautifully condensed into an extremely small size, and the rough operation of previous players is reduced to just four keys. The easy operation is well suited to those who cherish music. From now on, the way you interact with records will change. If you want to listen to a record, just push the start key. This is a fully automatic player where everything is controlled by a microcomputer. Not only the record size, but even the rotation speed is automatically set according to the size of the LP (vinyl). If you want to stop the record in the middle of playing, just press the stop key. The arm returns to the rest position and the turntable stops rotating. The stop key also has a function to control the arm's retreat, and two speeds can be selected depending on how hard you press it. Also, no matter what state it is in, if you open the upper cabinet, the arm automatically returns to the rest. A 45 rpm7 adapter is also built into the spindle. While queuing the sound is muted. Don't let be fooled by the fact that it was frequently presented as a matching turntable to compact mini/portable Hi-Fi systems (like this one here) the SL-7 is a serious turntable. 

Technical Data:

Drive System: Quartz Direct Drive

Wow and Flutter: 0.025% WRMS

Cartridge: T4P type EPC-P202C

Frequency characteristic: 10Hz-30kHz

Size: 315x88x315mm (WxHxD)

Weight: 6,6kg

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ReVox T77 - Alice Cooper Limited Edition (2025)

 

This is a special collaboration between Alice Cooper and ReVox. There will be 50 (fifty) T77 turntables made with this unique Alice Cooper look. Each unit will be hand signed and numbered by Alice Cooper. The T77 features integrated MC phono preamplifier and a highly precise electronic PLL speed control via a non-contact optical sensor. The tonearm is made of high-quality metals, with a carbon fiber tonearm tube. The ReVox T77 comes with the high-quality MC cartridge Ortofon Quintet Black S eqipped with a Nude Shibata diamond stylus on a sapphire cantilever. The platter of the T77 is made of black POM (polyoxymethylene), so no extra platter mat is necessary. It also includes a specially designed NAB adapter-shaped record weight and a Neutrik XLR/RCA adapter. There will also be available a 25 (twenty-five) limited edition ReVox B77 Mk III Alice Cooper reel to reel recorder. The T77 turntable will have a price tag of 8,950€ while the reel to reel recorder will be available at 27,950€.

Photo: ReVox

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TRIO K1000R Component (1979)

 

Equipped with feather-touch operation now you can see the operation of your amplifier at a glance. Say goodbye to rotary knobs, there is a new way at your fingertips to control your equipment. The K1000R Component from Trio emphasizes operability of components. The system features the KA-500 43W/ch stereo amplifier, KT-500 preset synthesizer AM-FM stereo tuner, KP-F500 turntable, JL-500 loudspeakers, KX-500 cassette deck. Optional components are: SRK-500 rack system, AT-500 timer unit, TM-4000 TV audio multiplex tuner, RC-500 remote control system. With some minor differences the system was available worldwide as Kenwood System 500.

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SIEMENS RS 555 (1979)

 

The RS 555 was the heart of the Siemens System 555 from 1979. It features a 2x100W (Music Power), 2x60W (Sinus Power) amplifier section, Quartz-controlled systhesizer tuner with digital display and a 24-hour timer with LED clock. The radio section has electronic manual tuning with two speeds in both directions for SW, MW, LW and FM Stereo. There are also 36 station memory locations: 8 for FM, 8 for MW, 8 for LW and 4 each for SW1,SW2 and SW3. Size: 464x140x300mm (WxHxD), Weight: 15,2kg, Original sale price: 1500 DM in Germany.

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PIONEER CT-55T (1976) | Time After Time

 

The CT-55T is a multi-functional cassette deck with built-in electronic digital timer, capable of programmed recording in absence or sleep timer and alarm clock playback. It has a built-in high-precision digital clock using MOS LSI (Ultra-Integrated Circuit). With the Timer knob, you can set the time for recording in absence, play-back as an alarm clock, or operating as a sleep timer. If the outlet is unplugged or there is a power failure, either AM or PM will flash to indicate the current time error. The drive section uses a DC-motor and a capstan and flat belt with a precision finish to ensure stable tape drive. It is equipped with a tape selector with a built-in automatic switching mechanism for chrome tapes. When a chrome tape with a detection hole is inserted, the bias and equalizer are automatically switched to chrome regardless of the position of the tape selector. Also, manual switching is possible for LH tape and Ferrichrome tape. 

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GRUNDIG TS 945 (1979) | Super Hi-Fi

 

The important technical features of the TS 945 are: HiFi according to DIN 45 500, 4-motor tape deck with IC control logic, 4-track stereo with track selection display via LED, Maximum reel size 22 cm Tape, speeds 9.5 and 19 cm/s, variable rewind speed. Special features: State-of-the-art, service-friendly circuit concept through modular technology, tape travel similar to studio technology. Retractable pinch roller and servo-driven head shield allow for slit-free tape insertion. Durable "Recovac" heads and long-life tape guides made of non-magnetic, stainless steel. Optimum belt protection and precise start/stop operation thanks to only one pressure roller. Capstan motor with PLL control for precise maintenance of the tape speed through mains synchronization. 4 motors: 2 DC winding motors for fast rewinding, 1 mains-synchronized DC motor with PLL circuit and synchronous display in the control panel. This is the new clever tape recorder for studio perfectionists, the TS 945 HiFi-Stereo, The Super-HiFi Tape Deck. The ease of use is hard to beat in this price range: The power amplifiers for hi-fi headphones are individually adjustable. The TS 945 features electronic short-stroke keys and electronic memories for tape transport control. Preprogramming any tape position is possible with the preset counter. Level control can be set: either manually, with a limiter, or completely automatically. Both channels are separately adjustable. Thanks to the variable rewind speed, every type of tape can be optimally wound. In cueing mode, "listening in" to the tape is possible, allowing precise location of specific passages...and what more could a passionate amateur musician ask for? A stereo mixer, echo in stereo, duoplay, synchroplay, and multiplay? High-quality power amplifiers with 2 x 50 mW output power at 400 Ω for HiFi headphones.

Technical data:

Track: 4-track Stereo

Tape Speed: 9,5/19 cm/s

Max. reel size: 22cm

Frequency response:

20-16.000Hz 9,5 cm/s

20-20.000Hz 19 cm/s

Dimensions: 47 x 18 x 41 cm

Weight approx.: 13 kg

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PHILIPS AF977 Automatic (1978) | Direct Control Quartz PLL

 

Philips turntables, with all their electronics, from sensor buttons to quartz control to photoelectric limit switches, are difficult to compare with others. The belt drive of Philips turntables protects the turntable from disturbing vibrations of the motor. And the Direct Control technology regulates the speed directly on the turntable axis. From a hi-fi perspective, Belt Drive Direct Control offers the best of both worlds: high rumble clearance and accurate speed. With a precision and durability that can only be achieved with very expensive direct drive systems. The absolute top model of the Philips Electronic HiFi generation is the AF 977 Automatic. From the quartz PLL control to sensor keys, digital strobe display, and photo-electronic limit switch with full electronic precision. Fully automatic, also manually operated. Subchassis suspension. Precisely readable stylus force scale. In short: HiFi progress that can be heard - and seen.

Technical data:

Belt Drive with Direct Control Quartz PLL

Wow and flutter DIN 0.05% WRMS 0.025%

DIN B Rumble-to-noise ratio 73 dB

Platter diameter 310 mm 

Needle tracking force adjustable 0.75-3 p (1p 10 mN) 

Cartridge: Super M 412 İl RETMA 1/2"

Tonearm length 215 mm

Dimensions 42 x 14,1 x 34,8 cm

Weight 6kg

Original sale price: 845 DM in Germany

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DIATONE My Side (1981)

A quality compact component system with a microcomputer-controlled vertical linear tracking player. Introducing the Diatone My Side from 1981, which packs the operating feel of microcomputer control into a compact size. Its compact size means it fits neatly on your desk. The vertical operating turntable is fully automatic and microcomputer controlled with one-touch operation, and the cassette deck is also microcomputer-controlled. There is also a digital synthesizer type auto-function tuner with FM/AM station presets. The My Side system consists of the LT-10V turntable, DA-F41P tuner, DA-U41P amplifier (40W/ch), DT-41P cassette deck and the DS-141 loudspeakers. This system was sold in Japan as "Diatone My Side" while on the international market it was sold as "Mitsubishi Interplay System". 

 

AIWA AX-7800 (1979) | Stay Tuned

 

This is the revolutionary AIWA AX-7800 receiver! An exceptional high fidelity receiver designed to make tuning faster, easier and more accurate than ever: the revolutionary new AX-7800. With the same quartz-locked digital-synthesized tuning system utilized on the most sophisticated and expensive FM tuners available today. Now perfect tuning is as simple as pressing a button. There's no more fumbling or fidgeting with tuning knobs, dials and center tuning meters. The new AIWA AX-7800 simply doesn't have any. Instead, it provides an instant digital readout that's perfectly tuned to the actual station frequency being received. Drift is impossible. Because AIWA's quartz crystal oscillator locks instantly and precisely into the center of each succeeding station's assigned frequency. Now when you tune the new AIWA AX-7800, you stay tuned. With unerring accuracy that even separates weaker stations from their stronger neighbors. Something no conventional receiver with AFC can do. And the AX-7800's DC-power amplifier gives you 60 Watts per channel RMS at 8 ohms from 20Hz to 20KHz. With no more than 0.05% THD.

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