ONKYO M-506RS | P-305RS (1983) - Super Servo Integral

 

Brand: ONKYO

Model: M-506RS | P-305RS

Year: 1983

The M-506RS is the final version of the 506 series introduced in 1979, and is a highly complete amplifier that inherits basic technologies such as the super servo integral method and linear switching method. The sound is balanced, smooth with high level of perfection.

ONKYO M-506RS Power Amplifier

Continuous power: 2X140W (8ohm, 20Hz to 20kHz)

Total Harmonic Distortion: <0.003%

Frequency Response: 5Hz-100kHz 

Signal to noise: 120dB

Dimensions (WxHxD): 480X174X422 mm

Weight: 20.5 kg

ONKYO P-306RS Pre-Amplifier

Total harmonic distortion: <0,0015%

Frequency response: 0.8Hz-170kHz

Dimensions (WxHxD): 480X100X403 mm

Weight: 10.5 kg

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GRUNDIG CT-905 (1991) | Fine Arts Recorder

 

Brand: GRUNDIG

Model: CT-905

Year: 1991

Technical data:

Heads: 3-head

Motors: 2 motor Dual Capstan

Dolby B-C, HX-Pro, Fluorescent VU meter, 

Manual BIAS & Level with Test-CD

Frequency Response: 30-20.000Hz Metal

    30-20.000Hz Chrome

    30-20.000Hz Normal

Wow & Flutter: 0.08%

Dimensions: 435(+40)x102x330 mm (BxHxT)

Original price: 998 DM Germany

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TOSHIBA V-L70 (1984) | ViewStar Beta Hi-Fi

 

Brand: TOSHIBA

Model: V-L70

Year: 1984

As the diversification of high sound quality sources continued to progress, with the advent of stereo television broadcasts, audio multiplex broadcasts and video discs there has been a strong desire to achieve high-fidelity sound as well for home video tape users. This is what the Beta Hi-Fi is for. This system allows to achieve excellent sound comparable to digital audio, with flat frequency response from 20Hz to 20kHz and an impressive dynamic range of 80dB. All these are of course only suplimentary to the well known and high quality Beta video system including all picture enhancing methods and programmed recording. Size: 420x105x369mm (WxHxD) | Weight: 10.5kg. Available in black or silver with dedicated remote control. 

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Korvet 038 Stereo (1983) | Direct Drive Turntable

 

Brand: Korvet

Model: 038 Stereo

Year: 1983

The Korvet 038 Stereo turntable from 1983 was manufactured at the former Ladoga Plant from Kirovsk, Russia. This model has an ultra-quiet Direct Drive motor while the fitted tonearm uses viscous dynamic damping to eliminate main resonance in both horizontal and vertical planes. It is fitted with the GZM-018 Korvet cartridge featuring Beryllium cantilever and elliptical diamond stylus. A secondary cleaning brush are is also fitted to this optoelectronically controlled automatic turntable. The Korvet 038 Stereo is actually an updated version of the previous Korvet 003 Stereo from 1979. The large "ball" contains glycerine and a slightly smaller ball inside. Vibrations thus are reduced by the interaction between this internal ball, glycerine and the outher sphere. Dimensions 485x225x370mm | Weight: 12 kg.

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ONKYO CX-70 (1980) | Artistry in Sound

 

A slim audio component that combines a sensitive AM/FM tuner and a slide-away cassette deck with AALC and Metal tape capacity (30-16.000Hz). The CX-70 features a Metal tape capable cassette recorder with AALC (Auto Accu-Level Control) system to maintain optimum recording levels at all times. Features at a glance: 20 watts per channel power output, min. RMS, both channels driven into 8 ohms from 20 to 20.000Hz with no more than 0.3% THD. 3-ganged variable capacitor in FM front end and ceramic filter in FM IF stage for high FM sensitivity. Dolby noise reduction system to reduce tape hiss and improve overall S/N ratio. Professional 41-click stop volume attenuator. Source selectors with indicators. Dimensions: 450x92x380mm (WxHxD) | Weight: 9kg.  

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Technics SU-8088 (1979) | Stereo Integrated Amplifier

 

Brand: Technics

Model: SU-8088

Year: 1979

Continuous power: 2X80W (8ohm, 20Hz to 20kHz)

Total Harmonic Distortion: <0.01%

Frequency Response: 5Hz-60kHz 

Signal to noise: 92dB (tuner, aux)

Dimensions (WxHxD): 450x142x360 mm

Weight: 15 kg

Silver: SU-8088, Brown: SU-8088K

Original sale price: 1500 DM Germany

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TRIO KX-1000 (1979) | 3-Head System

Brand: TRIO | KENWOOD

Model: KX-1000 | KX-2060 | KX-2006

Year: 1979

Every advanced design feature of the KX-1000 (KX-2060,KX-2006) is designed to provide the highest quality in cassette tape recordings. The twin oscillator variable fine-bias adjustment allows you to precisely adjust frequency response to get the best performance from every cassette tape formulation, including Metal. Three head and Double Dolby design provides true monitoring of Dolby-encoded signals while you're recording. Fluorescent peak meters provide fast, 110 millisecond response to give you the peak information. High stability tape transport uses a unique double back tension system to maintain constant tape tension and reduce wow and flutter.

Technical Data:

Head: 3-Head

Motors: 1 motor drive

Dolby B, Manual BIAS with Oscillator, 

Frequency Response: 20Hz to 19kHz (Metal tape)

    20Hz to 19kHz (Chrome)

    20Hz to 18kHz (Normal)

Wow and Flutter: 0,04% (WRMS)

Dimensions (WxHxD): 440x153x377mm

Weight: 9.3kg

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PIONEER VX-7 (1984) | Hi.Vista Beta Hi-Fi

Brand: PIONEER

Model: VX-7

Year: 1984

Pioneer's Hi.Vista VX-7 uses the Beta Hi-Fi system to dramatically improve video sound quality. By the way, it has a frequency response of 20-20,000Hz, a dynamic range of over 80dB, and a wow/flutter of less than 0.005%, so no matter what you look at, it has the perfect performance as a high-fidelity master deck. Therefore, you can enjoy the high-quality sound and video to your heart's content. A wireless remote control (sold separately) allows you to perform picture searches at your fingertips. If you use the optional wireless remote control RU-7, you can quickly perform recording/playback, picture search, tuning, and dual audio main/sub switching. High-quality Hi-Fi recording is possible even in III (long-time mode), so you can easily enjoy long-term recording of FM broadcasts. The VX-7 is equipped with a PCM selector switch that allows digital recording using a PCM processor. (Hi-Vista VX-7 has a conventional audio track in addition to the Hi-Fi stereo audio track. Traditionally, audio tracks are recorded and played back in monaural.) Size: 430x105x375mm (WxHxD) | Weight: 11.8kg | Original model: Sony SL-2710

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Victor Zero-100 (1984) | Wide & Dynamic

 

Brand: Victor

Model: Zero-100

Year: 1984

The sound of the Zero-100 is energetic and delicate, wide and dynamic. The enclosure uses a super elliptical baffle made of new UG resin to prevent disturbances in frequency characteristics due to diffraction effects. This baffle has a sturdy reinforcing rib structure based on modal analysis, achieving strength that is almost impossible with wood materials. In addition, an iron reinforcing rod is embedded between the woofer and the squawker mounting part. Careful modal analysis of both the baffle and enclosure reduces box vibration. Level control is mounted on the side panel. It uses a constant impedance step switching type with copper contacts that has low distortion and little deterioration in sound quality.

Technical Data:

3-Way sealed enclosure 

Maximum input: 130W (EIAJ)

Frequency Range: 30Hz-32.000Hz

Impedance: 6ohm

Woofer: 32cm fine ceramic diaphragm based on an aluminum cone

Midrange: 6.5cm fine ceramic dome

Tweeter: 3.0cm fine ceramic dome

Dimensions: 420x740x365mm (WxHxD)

Weight: 35.5kg

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JVC R-5000 (1980) - Personal Hi-Fi System

 

The R-5000 is great to listen to, look at and, thanks to touch-responsive controls, is a cinch to operate. Naturally, it has the sort of features you've come to expect from JVC: a tape deck with metal-capable SA (Sen-Alloy) heads and full logic control; a digital FM/AM tuner that lets you preset up to 14 stations; and an amplifier capable of delivering comfortable power to each channel. Power rating is 30 watts per channel, min. RMS, both channels driven into 8 ohms from 40 to 20,000Hz. This model was sold in Japan under the Victor brand name while a rebadged version was sold in Germany as Nordmende HiFi 8900 SC.

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DENON POA-1500 | PRA-1000 (1983) - Real-Time Audio Technology

Brand: DENON

Model: POA-1500 | PRA-1000

Year: 1983

The POA-1500's non-feedback circuit detects only the distortion in the output stage and performs "direct distortion servo" (distortion canceling circuit), theoretically reducing distortion to the zero region. In this method, the music signal is transmitted only in a fixed direction and does not have input feedback, thereby improving dynamic characteristics. A DC amplifier configuration is adopted, and all signal paths are completely capacitorless. By adopting a direct DC servo circuit, coupling capacitors related to coloration of the sound are eliminated from input to output. A large-sized toroidal transformer and a large-capacity block capacitor are adopted as a power supply part. In the PRA-1000 a non-feedback buffer amplifier is used on the output side, and the signal is sent to the power amplifier that serves as the load in an optimal state. This circuit has a completely symmetrical cascade bootstrapped complementary FET input non-feedback configuration. In addition, a newly developed DC servo circuit is adopted to stabilize the DC offset, and by blocking drift at high speed, the influence of DC deviation on the power amplifier is prevented. The flat amplifier consists of a high-speed OP amplifier and an ultra-low noise FET differential amplifier. By adding a cascade bootstrap circuit to the first stage, distortion increase due to the influence of the first stage volume is prevented, and low distortion characteristics are obtained. Moreover, by incorporating a tone control element into the feedback circuit, a tone control circuit with a simple an configuration is formed. Available in black and silver with wood side panels.

DENON POA-1500 Power Amplifier

Continuous power: 2X150W (8ohm, 20Hz to 20kHz)

Total Harmonic Distortion: <0.002%

Frequency Response: 5Hz-80kHz 

Signal to noise: 123dB

Dimensions (WxHxD): 470x168x418 mm

Weight: 20 kg

Original sale price: 1999 DM Germany

DENON PRA-1000 Pre-Amplifier

Total harmonic distortion: <0,001%

Frequency response: 2Hz-300kHz

Dimensions (WxHxD): 464x124x312 mm

Weight: 6 kg

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