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subybaja

subybaja

E. Spengler
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May 19, 2020
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I'm reading the first Harry Bosch detective novel, The Black Echo (1992). He uses a Nagra reel-to-reel mini-recorder, so I looked it up.

Man, what a stunning piece of Apollo-era tech!


NagraSN01.jpg


 
According to the Nagra site: “The SNST-R and its miniature jewel-like construction is a perfect reflection of the engineering and manufacturing expertise at Nagra. The SNST-R is milled from a solid block of metal, with top and bottom covers drawn from a light metal alloy. Its stunning look and superb engineering allow analog enthusiasts to maintain the values of Swiss crafting. Nagra-made heads, the meter, equipped with two scales, giving the recording level and indicating the status of the internal batteries, the manual rewind crank, offer the famous Swiss-watch precision. Measuring 146 x 101 x 26 mm and weighting just 590 g, the SNST-R becomes a discreet high-end miniature recorder.”

“The Nagra SN has a frequency response of 50 Hz to 15 kHz ±2 dB. The wow and flutter performance of 0.05% is also state-of-the-art. Its small size renders it an ideal candidate for all portable, location or discreet recording applications. The machine uses 0.15” (3.81 mm) tape on special open reel spools. Operating at a tape speed of 3.75 inches per second (9.5 cm / S), it yields duration of approximately 40 minutes per reel of tape. The Nagra SNST-R uses two “AA” size batteries or rechargeable cells. This enables more than 5 hours of operation.”

NagraSN05.jpg

To access the battery compartment you turn three screws and the bottom cover comes off, also revealing the circuitry… And like all good hardware there is a block diagram in on the inside of the lid:
NagraSN06.jpg
 
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