Showing posts with label AIWA. Show all posts
Showing posts with label AIWA. Show all posts

26 November 2021

Microcassette in Higher Fidelity - An (almost) Complete List

microcassette


microcassette

The microcassette was introduced by Olympus in 1969. The microcassette is significantly smaller than a Compact Cassette but it uses the same width of magnetic tape. Using thinner tape and a 2.4 cm/s standard speed you can have 30 minutes recording time per side, and double that duration at 1.2 cm/s. Unlike the Compact Cassette the tape spools in the opposite direction, from right to left and it is capstan drive just like Compact cassette.

Microcassettes proved to be popular for recording voice in dictation machines and answering machines. However, Microcassettes have also been used as a medium for recording music on Type IV metal tapes. This article presents some of the higher fidelity Microcassette decks that were manufactured for a short period of time in the early 80's.

microcassette
microcassette Capstan Drive

It has to be noted however that before microcassettes, PHILIPS intoduced the minicassette that was featured in the movie A Clockwork Orange but everybody mistakes them by the OLYMPUS microcassettes. They are very similar in size but the Philips minicassette system does not use a capstan for tape transport.

minicassette
A Clockwork Orange movie scene featuring PHILIPS minicassette !!


minicassette
A Clockwork Orange movie scene featuring PHILIPS minicassette !!

An (almost) complete list of Higher Fidelity microcassette recorders:

microcassette
SANYO RD-XM1 (1980)

microcassette
FISHER CRM 500 (1981) Sanyo rebadge



microcassette
JVC D-M3 (1981)

microcassette
Lo-D (Hitachi) D-MC5 (1982)

microcassette
SONY TC-MR2 (1982)

microcassette
Technics RS-M212 (1981)

microcassette
Technics RS-G800 (1982) Tuner-microcassette-amplifier

microcassette
AIWA 3-head, Dual Capstan, Prototype 1981

microcassette
PIONEER MT-C8 (1984)

07 November 2020

AIWA XK-S9000 (1991) - The Masterpiece

 

cassette deck

Introduced in 1991, the XK-S9000 has it all, from Dolby S Noise Reduction to a built-in D/A converter and remote control. The AIWA K-S9000 features a 4-motor dual capstan drive mechanism. When the cassette is loaded (this happens automatically when the cassette is dropped into the door) it is clamped agains a resilient pad to damp shell vibration, a system called by AIWA Super AMTS (anti-modulation tape stabiliser). The deck features 3-head design, with amorphous heads for both recording and playback with "stress-free 6N copper coils" for both the recording and playback heads. The heads are mounted in a ultra-stiff headbase casting that is mounted on three points to increase stability and a head stabilizer is used to reduce vibration of the head assembly itself. 

The display has dual, 24-segment, peak level indicators while for calibration the deck has built-in 400-Hz and 10-kHz test tones for bias and level and an additional 3-point setting for Rec-EQ. Another unique feature is the BTOR system, Blank Tape Optimized Recording. There are two record buttons on the front, one marked "REC" and the other "B-REC". With B-REC the erase head is deactivated when using a virgin tape. Aiwa claims that the result is  a well-dampened sound, sound expansion, less distortion and clear sound reproduction. The AIWA XK-S9000 has twin (external) power supply and built-in 18-bit linear dual D/A converters and 8xoversampling digital filter that allows direct optical or coaxial connection of a CD player. Needless to say, the XK-S9000 has Dolby B- and C-type noise reduction but it also sports Dolby S NR and defeatble HX Pro system. Frequency response is 13Hz - 21/22/23kHz (normal/chrome/metal) -20VU +/-3dB | Dimensions: 469(with side panels)*151*415 mm | Weight 14kg. 

cassette deck

cassette deck

cassette deck

cassette deck

cassette deck

cassette deck

cassette deck







24 October 2020

AIWA AD-6800 (1977) - Flat Response Tuning System

cassette deck

The AIWA AD-6800 is a two motor, 3 Head deck ... that actually has one motor and two heads. For the all essential tape transport there is a 38 Pulse FG Servo Motor combined with a big flywheel while the second motor is only for the automatic cassette loading system. The 3 Head designation seen on the front panel of the deck is not for what we usually know, a deck with monitoring capabilities, there's no Monitor function on this deck. Actually the deck is a two head deck (Ultra-hard long-life FGH - ferrite head) but it has a 3rd head, called Test head which is only active during the recording of the test tones that helps you to adjust the BIAS for all tape types. This system is called by AIWA - FRTS (Flat Response Tuning System). Test signals from two built-in oscillators of 400 Hz and 8 kHz are simultaneously recorded and monitored in order to adjust the bias after setting the Test Head Azimuth. This procedure optimizes the performance characteristics of all types and all brands of cassette tape assuring high output, low noise, wide dynamic range and exceptional clarity. Another unusual but nice feature of the deck is the double level meter with one indicator for VU level and one for Peak levels (with Peak hold) Speciifcation: Wow and flutter 0.05% (WRMS) | Frequency response 20-19000 Hz (FeCr) | Dimensions 450*162*335 mm | Weight 10 kg) 

cassette deck

cassette deck

cassette deck

cassette deck

cassette deck

cassette deck



05 June 2019

AIWA AD-F990 (1983) - Simply Advanced

cassette deck


The fabulous ADF990 is AIWA's most advanced cassette deck (1983), with features that not only ensure simple, foolproof operation, but also unmatched fidelity. Unquestionably the most suprelative 3-head deck in its class (1983), the AD-F990 offers advanced engineering for superior total performance. The AD-F990 features Amorphous combination head for superior performance and durability. It also features Dolby HX Professional, not a noise reduction, but an entirely new way of processing signals, this sophisticated circuitry functions during all recordings but requires no processing during playback. The DATA (Digital Automatic Tape Adaptation) system is a sophisticated microcomputerized circuit that automatically "tests" each tape prior to recording and adjusts the deck's bias, equalization and sensitivity to optimum levels, in only 16 seconds. A series of automated features are present such as: Auto Noise Reduction Detector, Auto Recording Level Control, Auto Tape-Source Selector (all these are manually selectable as well) Other technological features include a Auto De-magnetizing system, Micro-grain dual capstan transport, all-mode tape remaining time display, fluorescent multi-function display and feather-touch electronic volume control with position indicator.



cassette deck

cassette deck

cassette deck

cassette deck

cassette deck

cassette deck




19 January 2016

CLASSIC minis - part 2

1001hifi classic minis

AIWA my Pace - mini series 80 (1980)
Shown components: L80 stereo cassette deck, R80 digital tuner, C80 preamplifier, P80 power amplifier 
See the AIWA 80 in our collection.

aiwa my pace 80
AIWA my Pace - mini series 80 (1980)

BLAUPUNKT Micronics (1980)
Shown components: A-60 amplifier, T-60 tuner, C-60 stereo cassette deck


blaupunkt micronics
BLAUPUNKT Micronics (1980)

Cybernet Minipack 50 (1981)
Shown components: 50-A power amplifier, 50-T tuner-pre-amplifier, 50-C stereo cassette deck
Cybernet sold these components to other brands who sold them as rebadged components such as the KRAUS 50A,  Lenco-Italia MC 70
In the US they were sold under the Realistic brand name by Radio Shack.

cybernet minipack kraus lenco realistic
Cybernet Minipack 50 (1981)

ROTEL Micro 90 (1982)
Shown components: RMA-90 amplifier, RMR-90 remote control center, RMT-90 digital tuner, RMC-90 stereo cassette deck. A different model from ROTEL was rebadged as UHER PACO2

rotel micro 90
ROTEL Micro 90 (1982)

SANYO System PLUS 20 (1980)
Shown components: PLUS T20 digital tuner, PLUS C20 preamplifier, PLUS P20 power amplifier, PLUS D20 stereo cassette deck. We have in our collection the rebadged version of this system 

sanyo plus siemens
SANYO System PLUS 20 (1980) / SIEMENS 666

Technics Concise System C01 (1979)
Shown components: SE-C01 power amplifier, SU-C01 preamplifier, ST-C01 stereo tuner, SH-C01 power supply, RS-M02 stereo cassette deck


technics concise
Technics Concise System C01 (1979)








17 November 2015

CLASSIC minis - part 1


AIWA M-501 1981 
Shown units: RC-R300 remote control receiver, SA-C50 preamplifier, SA-P50 power amplifier,  MT-50 audio programtimer, ST-R50 stereo tuner, SD-L50 stereo cassette deck

AIWA M-501 1981
AIWA M-501 1981

AKAI UC-5 1980 
Shown units: SW-N5 loudspeaker, UC-F5 stereo cassette deck, UC-W5 power amplifier, UC-A5 preamplifier, UC -S5 stereo tuner, RC-5 remote control receiver

AKAI UC-5 1980
AKAI UC-5 1980 

Aurex / TOSHIBA system 15 1980
Shown units: SC-M15 power amplifier, SY-C15 preamplifier, ST-f15 stereo tuner, PC-D15 stereo cassette deck

Aurex / TOSHIBA system 15 1980
Aurex / TOSHIBA system 15 1980

MITSUBISHI  micro HiFi 1980
Shown units: M-P01 preamplifier, M-A01 power amplifier, M-F01 stereo tuner, M-T01 stereo cassette deck

MITSUBISHI  micro HiFi 1980
MITSUBISHI  micro HiFi 1980
PHILIPS mini 109 1980
Shown units: N 5581 stereo cassette deck, AH 109 T stereo tuner, 209 SA preamplifier, 309 PA power amplifier

PHILIPS mini 109 1980
PHILIPS mini 109 1980

TELEFUNKEN M 1 1981
Shown units: TELEFUNKEN MT 1 stereo tuner, MA 1 amplifier, MC 1 stereo cassette deck

TELEFUNKEN M 1 1981
TELEFUNKEN M 1 1981

WEGA MODUL 42 1978
Shown units: WEGA ADC-2 acoustic dimension controler, MODUL 42V amplifier, MODUL 42T stereo tuner, MODUL 42C stereo cassette deck, MODUL 42P turntable

WEGA MODUL 42 1978
WEGA MODUL 42 1978