Infrequent Sound [sex.tex] technology: JVC

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JVC Victor MI-5000 6 Channel Master Mixer With Spring Reverb, 1981-1987, made In Japan

Link: radiomuseum | hifiengine | instruction/owners manual

The MI-5000 was 6-in/2-out Mixing Console manufactured by the JVC Corporation of Japan. It had the following features.
* Inputs for six microphones, two phonos (one stereo turntable), ten line and two tape lines
* Outputs for two recorders and two monitors
* Reverberation Control and Panoramic Potentiometer for each of the six input channels
* LED overload indicator, input attenuator, and slide-type pots for easy fade-ins and fade-outs for each channel
* Master Potentiometer

Country: Japan

Manufacturer / Brand: JVC - Victor Company of Japan, Ltd.; Tokyo

Year: 1980Category: Audio Amplifier or -mixer
Semiconductors (the count is only for transistors) Semiconductors present.
Main principle Audio-Amplification
Wave bands - without
Details
Power type and voltage Alternating Current supply (AC) / 220 Volt
Loudspeaker - For headphones or amp.
Power out
Model: MI-5000 - JVC - Victor Company of Japan,
Material Various materials
Shape Tablemodel, with any shape - general.
Notes
- 6-In/2-Out Mischpult.
- Eingänge für 6 Mikrofone, 2 Phono-Eingänge (ein Stereo-Plattenspieler), 10 Leitungen und 2 Bandleitungen.
- Ausgänge für 2 TB und 2 Monitorgeräte.
- LED-Überlastungsanzeiger.

Прибор прошел процесс реинкарнации внешнего вида - кто помнит наши издевательства над Korg Poly 800, то тут та же история - с секции фейдеров, с боковин, вокруг стрелочных индикаторов, вокруг секции с подключением - пружинного ревербератора полностью убрана серебряная краска которая превращалась со временем в липкое месиво - все начисто убрано

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JVC Victor MC1820L, 1976, made in Japan

Link: radiomuseum | hifi-wiki | petervis

Country: Japan
Manufacturer / Brand: JVC - Victor Company of Japan, Ltd.; Tokyo
Year: 1976

Category: Broadcast Receiver - or past WW2 Tuner
Semiconductors (the count is only for transistors) Semiconductors present.
schematic requested
Main principle Superheterodyne (common)
Wave bands Broadcast, Long Wave and FM or UHF.
Details Cassette-Recorder or -Player
Power type and voltage Alternating Current supply (AC) / 220 Volt
Loudspeaker - This model requires external speaker(s).
Power out 20 W (unknown quality)
Model: MC-1820L - JVC - Victor Company of Japan,
Material Various materials
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 516 x 93 x 300 mm / 20.3 x 3.7 x 11.8 inch
Notes

- HiFi 3-band receiver with cassette deck (50 - 12,000 Hz).

- 2 x 10 watts sine into 4 ohms.

- Inputs: 2xMIC, 2xAUX, 2xLine.

- Outputs: 2xLine, 2x headphones.

- 1xDIN input / output.
Net weight (2.2 lb = 1 kg) 10 kg / 22 lb 0.4 oz (22.026 lb)
Source of data -- Original prospect or advert

New price approx .: 1'000 DM

Так делается благодаря:

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Victor JVC Nivico MCA-V7E Solid State 4 Channel Integrated Amplifier, 1971-1972, made in Japan

Link: hifiengine | Re-capping | Service Manual | service manual | MCA-V7 | MCA-V7B

Грамотно выполнена схемная разводка, земля из одной точки на слаботочные входные и силовые выходные цепи. Каждая пара усилителей с зеркально- перевернутой трассировкой печатной платы, ручная разводка, дорожки нарисованы со стороны деталей. Выходные транзисторы и терморезисторы крепятся на промежуточную алюминиевую пластину, которая уже потом крепится к радиатору. Все это удобно для диагностики и ремонта. Модульная конструкция.

Total dynamic power:

90W (45Wx2) 2CH 8Ω IHF
60W (15Wx4) 8Ω IHF

RMS continuous power (All channel driven):
48W (12Wx4) 4Ω
36W (9Wx4) 8Ω

THD: 0.2%

Power bandwidth: 30-30,000Hz
Frequency response: 20-40,000Hz (+0dB~-1.5dB)

Total harmonic distortion: 0.2%
Damping factor: 50

S/N ratio:
Phono: 80dB
AUX: 85dB
Tape: 85dB
Tuner: 85dB

Input sensitivity:
Phono: 1mV
AUX: 50mV
TAPE MON.: 150mV

Tone control:
Bass: ±10dB at 100Hz
Treble: ±10dB at 10 kHz

Power source: AC 100-240V selectable, 50/60Hz
Dimensions (HxWxD): 140 x 432 x 305 mm

Weight: 10kg

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Victor BLA-E20 [JVC Nivico 5320], 1968, made in Japan

Link: audio-heritage

Price unknown at launch (released August 1968)
18,300 yen (one, around 1969)
¥ 19,400 (1 unit, around 1970)

The speaker system of the H.E series pursuing high efficiency (High Efficiency).

In order to increase the efficiency of the HE series, a special processing method must be used to ensure airtightness during the pulp disintegration stage, and the apparent density, Young's modulus, propagation loss, etc. are used for the speaker unit. We adopt a method that can be freely selected at the stage of Victor vacuum press after making according to the.

A 20 cm cone type woofer is installed in the low range, a 9 cm cone type squawker is installed in the mid range, and a 5cm cone type tweeter is installed in the high range.

In order to make an enclosure into a completely closed structure, the method of fixing the unit from the front by completely sealing and assembling the six ridges with adhesive is adopted.

This not only prevents air leakage, but also forms a duct for the thickness of the baffle when the unit is fixed from the inside, thus preventing the anterior chamber effect from occurring.

The level control is carried.

Specification
method: 3 ways, 3 speakers, a sealing system, and a bookshelf type
unit

For low-pass: 20cm cone type [label: Victor P.D.Speaker SK2196B 8Ohm 10W 893 13A]

For mid ranges: 9cm cone type [label: Victor Tweeter SK2128E 8Ohm 10W 89309]
For high regions: 5cm cone type [label: SK2131D 89323H 8Ohm 3W JVC Japan]

Impedance: 8Ω
Maximum input: 30W
Frequency characteristic: 37Hz-20000Hz
Output sound pressure level: 100dB / W
Crossover frequency: 5kHz, 10kHz (6dB / oct)
External dimensions: Width 330 x height 550 x depth of 250 mm

Weight: 9kg / 1 pcs

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JVC Victor XP-A1000 BK Digital Acoustics Processor Super DigiFine, 1988, made in Japan

Link: hifi-classic | groups.google

32Hz-44Hz-48Hz
На чипах 2 х РСМ 56Р- J и JVC VC-4097 (DAP)

The digital acoustic processor is equipped with features such as program data transfer, scaling and the shape of the venue, and the sensation of air.

The method of symmetric 6-point analysis of the sound field, which uses six microphones, actually measured 15 spaces of the sound field around the world and has a computer program of its characteristics.

In addition, a total of 20 types of predefined templates are loaded, including simulation cinema data, and additional predefined programs can be redesigned according to your preferences, and up to 20 templates can be registered.

It has a coordinated left and right independent signal processing system from measuring, analyzing and reproducing the sound field.

For the analog-to-digital converter, which affects the sound quality, a 64-fold digital filter with oversampling is built in and independent left and right dual ADCs are adopted.

With the help of parameters that can be adjusted depending on the reverberation time and the width of the listening room, the natural characteristics can be set even in rooms that are shifted towards the dead and lines, even in narrow rooms.
It is possible to switch to 6 or 4 channels.
Three optical and coaxial digital inputs / outputs are carried.

Digital Acoustic Processor
quantization 16-bit linear 48 kHz
A / D conversion 64x oversampling Left and right independent 2A / D converter
D / A conversion 2D / A converter with 4x oversampling
Type of process Parallel independent process (4/6 h)
Digital Input Light: 1 line,
coaxial: 2 lines
Digital light output: 1 line,
coaxial: 2 lines
Digital Distortion: 0.004%
Analog: 0.005%
Dynamic range 94 dB
External dimensions Width 435 x Height 103 x Length 357 mm
Weight 5.8 kg
Associated Remote Control.
Price in first year of sale ¥ 128 000

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JVC R-S55L Digital Synthesizer FM/MW/LW Stereo Receiver (1980)

Specifications

Tuning range: FM, MW, LW
Power output: 40 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.03%
Damping factor: 45
Input sensitivity: 2.5mV (MM), 150mV (DIN), 150mV (line)
Signal to noise ratio: 77dB (MM), 98dB (line)
Output: 150mV (line), 30mV (DIN)
Speaker load impedance: 4Ω to 16Ω
Dimensions: 422 x 109 x 403mm
Weight: 8.3kg

Downloads
instruction/owners manual

Related Catalogues
High Fidelity

link:

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JVC KB-600N Keyboard + JVC KQ-10 Digital Sequencer

JVC instruments rebranded as Lowrey http://jvckeyboards.tripod.com

All info http://jvckeyboards.tripod.com/kb500.html

Manuals und Prospekte PDF Midi Standart (english)

KG-10 Guitar Strum - KE-10 Digital Composer - KQ-10 Digital Sequencer

Zubehör für KB-600 und KB-800. Bei gestarteter Begleitautomatik kann man durch das Einschalten des KG-10 die automatische Generierung des "Accomp" unterdrücken. Der Accomp wird dann durch das spielen des KG-10 erzeugt. Dabei benötigt es 6 Stimmen der Tonerzeugung die je nach gespieltem Akkord auf die 6 Triggertasten des KG-10 gelegt werden.
Leider wird weder die Begleitautomatik noch das spielen des KG-10 über MIDI ausgegeben. Das Drücken des MUTE-Tasters führt dazu, dass beim Loslassen der Triggertasten der Ton sofort still ist.