Akai videotape format

Akai videotape format

1/4 inch Akai is a portable Helical scan EIA and CCIR video VTR. Akai 1/4 inch VTR had two video record heads on the scanner. The units had an optional RF modulator to play back to a TV set as well as a detachable Video monitor. Akai Electric LTD VTR plant was in Tokyo Japan.

Early B&W models

*Akai model # VTS-100 came out in 1967 it was a B&W portable VTR with a one tube camera.
*The next models VTS-110 and VTS-120 had much the same specs:
**S/N >40 db
**Playback about 200 lines of Image resolution
** One 2/3" Vidicon
**Capstan Tape speed (EIA) 11.25 inches a second (20 min reel) / (CCIR) 238.5 mm/s (24 min reel)
**VTR Weight 11 lb.

Color model

*Akai model # VTS-150 came out in 1974. It recorded Composite video on 1/4 inch reel to reel videotape. Could record and play back B&W or color. Came with a hand-held two-tube camera with a zoom lens. The system was very small and lightweight for its time. The VTR with the Video camera was only 22 pounds. One cable to connect the ENG camera to the VTR for power, video and the Microphone audio. This model was available in NTSC, PAL and SECAM.VTR Specs:
*Capstan Tape speed (EIA NTSC) 254.27 mm/s - 10 inches a second/ (CCIR PAL or SECAM) 217.97 mm/s
* Record 26 min. on a 5 inch reel (NTSC) or 30 min. (PAL or SECAM)
*Playback about 230 lines of Image resolution
*S/N >40 db
*One Audio track
*One Control track
*Weight 16.4 lb.
* Used 32 Watts of power
* on Battery ran about 40 min.
*Size 10.5"x14.2"x5.6"Camera Specs:
*Camera NTSC, PAL and SECAM:
** One 2/3" Vidicon
**One Chroma Tube, an Akai dissector tube
**1.5" VF - Viewfinder
**Lens: 6x - (1.5 to 75mm)
**300 lines of resolution
**S/N >40 db
**To use without the VTR, CCU-150 powered the camera with 12v DC.
**CCU-150 had the RF output and Genlock sync in.
**Weight 5.76 lb.
**Size 3.5"x9.3"x13.2"
**Microphone audio, 600 ohms

ee also

* Akai VK (videocassette format) VTRs

Ext. Links and Ref.

* [http://www.radicalsoftware.org/volume1nr3/pdf/VOLUME1NR3_0018.pdf VTS-100 in PDF]
* [http://www.labguysworld.com/Akai_VTS-110_Ops.htm Akai VTS-110]
* [http://www.labguysworld.com/Akai_VT-120_Adv.htm Akai VTS-120]
* [http://www.labguysworld.com/Akai_VT-100.htm VT-100 pictures]
* [http://www.labguysworld.com/Akai_VT-120.htm VT-120 pictures]
* [http://www.labguysworld.com/Akai_VT-150.htm VT-150 pictures]


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