4 Track Stereo Tape Recorder X-IV

Akai Electric Co., Ltd.; Tokyo

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Country
Japan

Manufacturer / Brand
Akai Electric Co., Ltd.; Tokyo

Year
1965 ?

Category
Sound/Video Recorder and/or Player

Radiomuseum.org ID
154702

Picture
Schematics

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1253876) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1253877) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1526164) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922691) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922692) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922696) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922698) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922701) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922704) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922707) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922709) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922710) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922711) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922712) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (3)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 2381368) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)
My Akai XIV after restoration.

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 612584) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 612585) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 612592) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 612593) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 807928) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 807929) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 807932) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1832475) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1832476) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)
Close up up front

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1832477) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (2)
Tape recorder in its case

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1832478) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)
Closw up of front with tape deck lid open

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1832481) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1832483) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)
Close up of tape deck

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1832485) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)
View of the back

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1832487) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922527) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (2)
Akai Sales Brochure

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922528) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (2)
Akai Sales Brochure

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922647) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (2)
Service Manual

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922651) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (2)
Service Manual

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922660) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (2)
Service Manual

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1922675) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (2)
Service Manual

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1986234) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1986235) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1986237) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1986238) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1986239) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1986240) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1986241) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

4 Track Stereo Tape Recorder X-IV; Akai Electric Co., (ID = 1986242) R-Player — Akai Electric Co., 4 Track Stereo Tape Recorder X-IV (1)

Click on the schematic thumbnail to request the schematic as a free document.

Technical Specifications

Number of Transistors
22

Semiconductors
2SB443 2SB443 2SB75 2SB75 2SB459 2SB443 2SB443 2SB75 2SB75 2SB459 2SB77 2SB370 2SB370 2SB89 2SB367 2SB77 2SB370 2SB370 2SB75 2SB75 2SB370 2SB370

Main principle
Audio-Amplification

Wave bands
- without

Details
Tape Recorder

Power type and voltage
Line / Storage batteries (perhaps also batteries) / 105; 120; 135; 210; 225; 240 / 6 Volt

Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

Material
Metal case

from Radiomuseum.org
Model: 4 Track Stereo Tape Recorder X-IV - Akai Electric Co., Ltd.; Tokyo

Shape
Portable set > 8 inch (also usable without mains)

Dimensions (WHD)
11 x 4 x 12 inch / 279 x 102 x 305 mm

Notes
HiFi-Reporter-Tonbandgerät, 4 Spur Stereo, Crossfield-Technik, Glasferrit-Kombikopf. 4 Bandgeschwindigkeiten 19; 9,5; 4,7; 2,4 cm/s. Spulendurchmesser max. 13cm. 2 VU-Meter, eingebauter Mono-Verstärker mit Lautsprecher hinter Frontpanel. Betrieb mit 6V Bleigel-Akku oder externem Netzteil. Gehäuse in Ganzmetall-Druckguss. Laufwerkschassis wie Modell X-V.

Frequency Response:
7,5 ips - 40-20000Hz +/-3dB
3,75 ips - 40 - 17000Hz +/-3dB
1 7/8 ips - 30 - 11000Hz +/-3dB
15/16ips - 30 - 5500Hz +/-3dB
Loudspeaker included: 5"x3" dynamic speaker, 8 Ohms
Microphones used:
Low impedance dynamic type, 600 Ohms, 30-15000cps +/-10dB, Sensitivity -78dB

The Akai 4-Track Stereo Tape Recorder X-IV contains 15 transistors and one (1) main amplifier.
The power supply unit contains: 4 transistors for power regulation/charge control for the 6V lead acid battery and 3 transistors for a second amplifier (right main amp. block).

Net weight (2.2 lb = 1 kg)
11.2 lb (11 lb 3.2 oz) / 5.085 kg

Mentioned in
- - Manufacturers Literature (Service Manual)

Author
Model page created by Peter Samland. See "Data change" for further contributors.

Other Models
Here you find 614 models, 568 with images and 202 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Akai Electric Co., Ltd.; Tokyo

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The model 4 Track Stereo Tape Recorder is part of the collections of the following members.

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