Sony NT-1 Service Manual
Sony NT-1 Service Manual

Sony NT-1 Service Manual

Digital micro recorder
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SERVICE MANUAL
NT-1
SPECIFICATIONS
Format
NT format
Tape
Digital micro tape
Recording system
Recording head
Recording time
Tape speed
Drum rotation
Error correction
Track pitch
Sampling frequency
Modulation system
Number of channels
Quantization
Frequency response
Signal-to-noise ratio
Dynamic range
Total harmonic distortion
Wow and flutter
(NT cassette tape)
Helical scan 2 heads,
digital recording
3 heads
90 minutes (supplied
NTC-90)
Approx. 6.35 mm/s
3000 rpm
Cross-interleaving code
Approx. 9.8 um
32 kHz
LDM-2
2-channel, stereo
12-bit non-linear
(equivalent to 17 bits)
10 Hz — 14,500 Hz
(+1, -3dB)
More than 80 dB (1 kHz,
IHF-A, 20 kHz LPF,
LINE IN)
More than 80 dB (1 kHz,
IHF-A, 20 kHz LPF,
LINE IN)
Less than 0.08 %
Below measurable limit
(less than 0.001%
W.PEAK)
NT cassette tape specifications
Size
Weight
Width
30x 21.5x 5mm
(w x hx d)
;
(1%. x % x % inches)
2.3 g (0.08 oz)
2.5mm
NII
US Model
Canadian
Model
AEP Model
UK Model
Tourist Model
Model Name Using Similar Mechanism
MN-1-66
Tape Transport Mechanism Type
Material
Metal evaporated tape
Maximum recording
120 minutes (double
time
side)
Input
Minimum
Jack type
input
level
minijack
minijack
Output
Jack type
HEAD-
stereo
5 mW +
'eohine
PHONES | minijack
5 mw
minijack
—continue on next page—
DIGITAL MICRO RECORDER
SONY.
Rated
{Miaximum

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Ntu-2

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