Technical Details
Brand: Nagra
Model:IV-S
Category:Super High Fidelity
Application:Consumer
Electronics:Solid State
Country of Manufacture:Switzerland
Release dates:1968 - 1972
Speeds: 3 3/4, 7 1/2, 15
Max Reel Size("): 7"
Number of heads: 3
Head Composition: Permalloy
Head Configuration: Mono - Full Track
Voltage(s): Multi
Frequency Response:(all 2 dB): 15 ips: 30 - 20kHz
Wow and Flutter:0.05% at 15 ips, 0.07% at 7½ ips
Signal-to-Noise Ratio:74.5 dB NAB at 15 ips, 68 dB NAB at 7½ ips
Sound quality rating:7 / 10
Long-term reliability rating: 5/ 10
Additional Details
Description
In 1968, Stefan Kudelski’s private company became KUDELSKI SA. The Nagra IV, equipped with silicon transistors,was launched along with the process of “sync” (Pilottone or Neopilot) into the system of film-making. KUDELSKI SA moved into its new factory at Cheseaux-sur-Lausanne.
Many versions of the Model IV were produced.
Additional Info
Total harmonic distortion: 1% at max. peak level, 3rd harmonic at 15 ips / Rewind speed: 2 minutes for standard 5″ tape / Microphone inputs: dynamic: 0.28mV / 50 ohms. condenser: 4.2 mV (phantom powering) / Outputs: line output voltage 1 V / 5 Kohm, headphones max 0.7 V / 200 ohms / Dimensions: 13¼ x 9½ x 4½ ” (333 x 242 x 113 mm) closed / Weight: 11.6 lbs (5.25 kg) without batteries, 15 lbs (6.4 kg) with batteries, 5″ reels & tape / half-track stereo