NAGRA IV-SJ  :Maximum frequency deviation  +-45% , Frequency response at -3 dB  0 to 4kHz, Signal-to-noise ratio for deviation of +- 20%  44dB, Peak-to-peak input voltage for devia ...

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NAGRA IV-SJ  :Maximum frequency deviation  +-45% , Frequency response at -3 dB  0 to 4kHz, Signal-to-noise ratio for deviation of +- 20%  44dB, Peak-to-peak input voltage for deviation of +- 20%  PILOT 2,8 V  CUE  2,0  V

 

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The Nagra IV was introduced originally in 1960. It is a portable 6.35 mm (1/4") mono analogue audio tape recorder designed for high quality recording having radio, cinema, and television applications ...

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The Nagra IV was introduced originally in 1960.

It is a portable 6.35 mm (1/4") mono analogue audio tape recorder designed for high quality recording having radio, cinema, and television applications.

Many mechanical and electronic modifications have been made to the machine since its release, to adapt it according to modern day requirements. Despite all these modifications, the machine remains remarkably similar to the original.
The Nagra IV can be delivered in different versions both of which are available in either NAB or CCIR equalization.

Each version has four speeds, either the NAB or the CCIR standard :

• 1 1/2 ips = 3,81   centimeters per second
• 3 3/4 ips = 9.525 centimeters per second
• 7 1/2 ips = 19.05  centimeters per second
• 15  ips    = 38.10  centimeters per second

The Nagra 4.2 is a mono recorder recording full track audio on 6.35 mm tape, and the Neopilot synchronization system.

The audio inputs may be used with either the two internal microphone preamplifiers (switchable between Dynamic, T power and Phantom power depending on the microphone preamplifier which is fitted) or as a line input, via the QCE cable.

The Nagra IV also contains a switchable limiter, a built–in loudspeaker, and an internal reference generator forline up, and calibration purposes.

Optionally the machine may be fitted with the NEOPILOT pilot option.

The machine may also be powered from either an external supply ATN–3 or internal batteries.
The IV may also be used with the QGB 10" real adaptor, to allow the use of larger reels for longer recording
and playback.

Dimensions : 318 x 222 x 110 mm

Weight without batteries : 6,150 kg

Weight with batteries : 7,300 kg

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