Nakamichi Tri Trcer 1000
for COLLECTOR
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"TRI-TRACER NAKAMICHI 1000"
The world's first 3-head cassette deck
with quality and performance comparable to the professional 15 ips.
reel-to-reel deck. NAKAMICHI RESEARCH INC. has finally overcome the
fundamental handicaps of cassette tapes - such as 1 - 7/8 ips. tape
speed and 0,6 mm track width restricting the available electro-magnetic
energy to less than 10% of that of the reel-to-reel tape - with the high
precision tape transport mechanism, sophisticated circuitry, specially
designed heads and many other advanced features which assure the easiest
and foolproof operation with the highest level performance.
"TRI-TRACER"
Is
a pet name created by NAKAMICHI RESEARCH INC. for a series of
professional quality 3-head cassette decks starting from Nakamichi 1000
as a top of the line. "Tri-Tracer" is a 3-head system which traces the
fundamental performance of the tape deck in terms of frequency response,
distortions, signal-to-noise ratio and wow and flutter with the highest
possible standards.
TAPE DRIVE MECHANISM
Closed
loop double capsta, staggered large flywheels maintain perfect tape
tension across the 3-heads with ultra-low wow and flutter. Also
phonic-wheel type DC servomotor maintains correct speed at all times
against voltage and frequency fluctuation.
IC LOGIC ELECTRONIC CONTROL
All
tape motion controls are solenoid operated, with light finger touch
buttons. IC control logic circuit produces any sequence control of
complicated timing which assures the user copmplete freedom from click
noise. Other automatic controls such as automatic shut-off, memory
rewind, automatic rewind and record lock are also provided. The position
in motion will be indicated by illuminated lamps above each control
button.
ALIGNMENT BEACON
A
unique and simple way in which a pair of pilot lamps flicker
alternately when a correct head azimuth alignment is obtained. It
eliminates the poor high-end response and phase shift created by the
change in tape running condition due to dimensional difference among
various brands cassette tape enclosures.
3-HEAD CONFIGURATION
Completely
separate record, playback and erese heads configuration permits
instantaneous off-the-tape monitoring and ensures the best possible
frequency response, up to 20 kHz constantly. The record head is ofhi-Mu
ferrite with a 5 micron gap designed to obtain deep and intensive
recording. The playback head is of special hi-Mu hard permalloy cores
and thin titanium film spacer which enables the gap to be as narrow as
0,7 micron.
DOUBLE NOISE REDUCTION SYSTEM
The
Nakamichi 1000 is also unique in having two independent noise reduction
systems, the one is the Dolby NR system and the other is the Dynamic
Noise Limiter (DNL) system. By using two suppressed by more than 13 dB.
The Dolby NR system has independent circuitry in recording and playback
and instant monitoring of Dolbyized recording is available. The DNL
system works inthe playback mode and effectively suppress the noise in
the frequency range of around 10 kHz.
PITCH CONTROL
Any
speed within the range of ±6% can be selected. This control is for
correction of tape speed previously recorded off speed, and for playback
at higher and lower pitch in music lessons and other wide applications.
PEAK LIMITER
Although
the record amplifier in the Nakamichi 1000 has very wide dynamic range
so that the distortion may hardly occur in normal sound
recording.However in case oflive recording the distortion may occur due
to excessively wide dynamic range of sounds to be recorded, and the
built-in PEAK LIMITER minimizes such distortion.
DP PEAK LEVEL METER
The
Nakamichi 1000 is equipped with level meters indicating the peak level
in recording so that they effectively eliminate the risk of
over-recording.
3-POINT SOUND PICKUP
other than the normal two
microphone inputs the third input for the blend microphone is provided
andeach input level can be adjusted independently sothat the
professional quality mixing is available. The blend microphone is
especially useful for recording of solo vocal or solo instrument.
