Country of Manufacture:Netherlands
Release dates:1977 - 1982
Speeds: 1 7/8, 3 3/4, 7 1/2
Max Reel Size("): 7"
Number of heads: 3
Head Composition: Permalloy
Head Configuration: Stereo
Frequency Response:( 3dB): 7½ ips:35Hz - 25 kHz 3¾ ips: 35Hz - 19 kHz at and 1 ips: 35Hz - 11 kHz at 1 ips
Wow and Flutter:< 0.1% at 7½ < 0.15% at 3¾ and < 0.3% at 1 ips
Signal-to-Noise Ratio:(better than) 60dB at 7½ . 60dB at 3¾ and 58dB at 1 ips.
Sound quality rating:7 / 10
Long-term reliability rating: 5 / 10
4 track recorder with 3 speeds (1
, 3¾ and 7½ ips), three heads and three motors with a maximum
reel size of 7″ (see also the almost identical N4506
Dynamic Noise Limiting (DNL) was incorporated, which
was single-ended (playback only) and in no way comparable to the more
expensive Dolby NR system.
The unit had built-in speakers and amplifiers for playback.
Beneath the VU meters is an elaborate control panel with 12 knobs: Left
and right Line output levels, L & R Mon output, L & R Line in
, Aux in, Tuner in and 2 Phono.
Danish collector Flemming Sorensen writes:
Rewind speed: variable / Inputs: Mic, line, phono, tuner / Speaker(s): 2 internal monitor speakers / Dimensions: 22 x 8 x17″ (557 x 210 x 437 mm) / quarter-track stereo