Akai M8

MODEL NUMBER :
WEIGHT (NET
IN CARTON):
DIMENSIONS
POWER
REQUIREMENTS :
POWER
CONSUMPTION :
‘RECORDING
SYSTEM :
PLAYBACK
SYSTEM :
TAPE SFEED
TAPE SPEED
DEVIATION :
WOW AND
FLUTTER :
FAST FORW..RD
AND REWIND
TIME:
FREQUENCY
RESPONSE :
DISTORTION
SIGNAL-TO-
NOISE RATIO:
CROSS TALK
| SPECIFICATICNS
ere
errr
en
TS
Akai Model M-8, portable 4-track
stereo tape recorder.
47.3 lbs.
2.4 Ibs.
supplied.
20°H
-:13’W
49’D,
overall,
case
clo-
sed.
(510H
340W
x
226D
in
m/m)
{21.5 kg.) for M-S
il.l kg.) for ell accessories
A.C. 100, 110, 129, 200, 220, or
240 volts interchangeable. 50-60
cycles.
100 VA.
Specific “cross-field” recording based
on the theory of trailless recording
bias
system.
Inline
4
track
stereo
and 4-track monaural recording.
Inline 4-track stereo, monaural play-
back.
Three speeds; 7'4” (19cm.), 3-34”
(9.50em.) and 1-%* (4.75cm.) per
second, 115” second with an acces-
sory capstan and pinch wheel.
Less than +3 per cent at all tape
speeds.
Less than 0.15% at 7-% ips. R.MS.
Less than 0.2570 at 3-% ips. R.M.S.
Less than 9.35% at 1- ips. RMS.
SO seconds for 1,200 ft. tape at 50
cycles and 75 seconds at 60 cycles.
30 to 25.000 cps. at 7-'% ips;
£3 db. 40 to 21,000 cps.
2+3db.40 to 18,000 cps.
+4db.40 to 10,000 cps.
Within 2%. at 1,000 cps,
hermonic:
at 7-4 ips;
at 3-34 ips ;
at 1-% ips.
OVU «total
40 db below recorded level signal
at all speeds.
Within 53 db beiween each track.
CHANNEL
SEPARATION :
POWER INPUT
LEVELS :
POWER
OUTPUT:
INSULATION
RESISTANCE:
INSULATION
YIELD
STRENGTH :
MONITORING
yvorpiur.
SYSTEM :
MOTOR
HEADS
MICROPHONE
USED:
SPEAKER
INCLUDED:
TUBES USED
REELS USED
RECORDING
LEVEL
INDICATOR:
a TO er pe rary snaeminsetiee
a
a EY A He meme ee:
Better than 80 db at 1,000 cps-i 3 VU.
Microphone input level
-55 db (VR. max} at 1,000 cps.
Phono and radio input level
-15 db (VR. max) at 1,000 cps.
Head output, 1 mv. at 1,000 cps.
Pre-Amplifier output, 0.6 V at 1,000
cps, impedance 10,000 ohms
Main outrnnt, 34 dbm. up
(in 600 ohms).
fy
More than 10 MEG ohms
More than one minute at A.C.
1,000 ¥ with Headphone
With
headphone
(8
ohms)
during
recordin:
Hysteresis
two-speed
motor,
dynamically
talanced.
1/100 HP. Power ratio, 70 per ceni..
3,000 to 1,500 r.p.m. at SO cps,
synchronous,
~ 3600 to 1,800 r.p.m. at 6C cps.
Inline four-track stereo/monaural re-
cord-play head;
leadannn SOND shes 2t 1 000-
sm PCGGHOS... Guy Sais at apy &
Four-track, cross-field bias head;
Impedance...14,000 ohms at 60 ke.
Four-track erase head
Impedance...18. 000 ohms at 60 ke.
Square-shaped, dynainic microphone ~
Impedance...56,000 chms
Sensitivity... —55 db.
Frequency Response...70 to 15,000
cps =10db.
Two 4-inch dynamic speakers for
vertical stereo sound eifect
Impedance...8 chms
Allowable Input...6 waits
Frequency Response...80 to
12,006 cps, 2-10 db.
6267 \EF8Si +2, 12ZAD7 .12AXK7i:-.2,
6BQ5» 2, 6%4.2, BARS «1.
Up to 7” reel
Horizonial, A-model VU meter