General: Nagra IV-SJ is the Enhanced version of IV-S that came out in 1972. This was an instrumentation recorder for precise noise and vibration measurement and other scientific audio analysis organisations. Equipped with special microphone preamplifiers, modulometer, and stepped input, attenuators the IV-SJ is used for a multitude of different environmental and industrialization applications. Customers for the IV-SJ varied from NASA to Rolls Royce and Greenpeace and was commonly used to record whales and ultrasonic waves. The IV-SJ also makes for a formidable audio machine with a super low noise floor and great dynamic range. Link to a video I did a while back on a different machine of the same model:This machine had an easy life and was well cared for. I removed the calibration stickers which indicated a healthy service interval as far as 1999, at which point the
NAGRA IV-L Reel to Reel Analog Tape Recorder $500.00 - PicClick
NAGRA IV-SJ Stereo Reel to Reel with accessories
Nagra IV-SJ Reel to Reel with Accessories and 10 Adapters
Brand Nagra for sale
Used nagra reel for Sale
Legendary Swiss precision instrument in top condition. Operated by mono cells or external power supply (not included)). Built-in monitor speaker.
Nagra IV-SJ
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Brand Nagra for sale
Nagra IV-SJ Reel to Reel With Accessories
Nagra IV-SJ Reel to Reel with Accessories and 10 Adapters