OSTE R EO AND MONAU RA L R ECOR D I NG/PLAYBAC K SYSTEM.
OINDIVIDUAL MICROPHONE AND LINE INPUT LEVEL CONTROLS FOR SOUND
individual recordings on a single track with SOUND-ON-SOUND.
speech with SO UND-WITH-SOUND.
STABLE TAPE TRAVEL
AND CLEAR SOUND PLAYBACK
EFFICIENT INDI-'CTION MOTOR AND ONE-MICRON
GAP H EAD
DUAL MON.ITORING TAPE/SOURCE Monrtor Switch enables the operater to compare just-
signals with signal source for more professional
PAUSE CONTROL FOR EASY TAPE EDITING lnstantly suspends tape travel. Simply lift Pause
Lever when a certain part of a program is not desired, Easy Start Button release.
RETAINERS Pulling outward and turning to left or right locks reels firmly into place.
4-DIGIT INDEX COI.JNTER WITH RESET BUTTON
ACCESSORIES ConnectionCord .....1
*Spare fuses not included with CEE, CSA, UL and
LA standard models.
The employment of a highly
motor and boldly designed flywheel in this
model results in stable tape travel and reduced wow and flutter.
coupled with a three head
system including Akai's
one-micron gap playback head assures clear sound playback.
SELLECTOR SWITCH FOR USE OF HIGH GRADE TAPE A Tape Selector Switch changes recording bias, recording equalization, recording level, and playback
equalization according to the tape being used. While high performance Low Noise Tape is standard for this machine, frequency response range is further extended through the use of Chromium D iox
EXPANDED VU METER SCALES FOR
llluminated expanded scale VU Meters provide quick and accurate
deter- mination of recording
and playback levels.
AUTOMATIC SHUT.OFF FOR
SAFETY When the 4000DS Mk-II is set for automatic shut-off, the power of the
entire unit is turned off at the end of the
convenient when the unit is left unattended.
SOUND MIXING A built-in microphone-line mixing circuit
and independent line and microphone input level controls facilitate sound mixing from separate sources. Record your
own vocal arrangement accompanied by your
favorite orchestra and manv other interesting
SOUND.ON.SOUN D Accumulate as many
individual recordings on a single track as is desired.
recording from one monaural track can be
transferred to the opposite track and another recording added while monitoring
through headphones. Con- venient for f un or professional use.
Among the many uses to
which Sound-With-Sound can be applied is language training. For instance, record the teachers voice on one track and rewind tape. Then record your
own repetitive voice on the opposite track
while monitoring through headphones. Playback
For improvement purposes,
specifications and design
to change without notice.
TECHNICAL DATATrack System Reel Capacity
Tape Speed Wow and Flutter
Frequency Response . . . .
Erase Ratio Bias Frequency Heads
MotorFast Forward and Rewind
Din Jack Semi Conductors
. . . .
4 track, 2 channel stereo/monaural system Up to 7" reel 7-1 12 and 3-314 ips ft2o/ol Less than O.12o/o WRMS
at 7 -1 12 ips; Less than O.15% WRMS at 3-3/4 ips 30 Hz to 23,000 Hz (t3 dB) at 7-112 ips
using AKAI LN-150-7 Tape; 30Hz to
16,000 Hz (t3 dB) at 3-314 ips usins AKAI LN- 1 5O-7
tape Less than 1% (1 ,0O0 Hz "O' ' VU) using low noise tape Better than 56 dB (measured via
tape with peak
recording level of +6 VU)
Better than 70 dB 1 0O kHz (3): 1 one-micron gap playback head,
1 recording head, 1 erase head 4-pole induction motor
seconds using a 1200 ft tape Line (21 O.775V ("O"VU) Required
load impedance: More than 50 k ohms
Phone (1): 30 mV/B ohms Microphone (2): 0.55 mV/30 k ohms Line (2):50 mV/200 k ohms 0.5 V/3 mV
Transistors 19, Diodes 5 USA and Canada Models: 12OV, 60 Hz only CEE Models: 22O V,
50 Hz Other Models: 100 to 24O V,
50/60 Hz (Switchable ) 40w407 (W) x 314 (H) x 196 (Dlmm (16 x 12.4 x7.7"1 1 1 .1 kg (24.4 lbs)
AKAI AMERICA,ID. 2139 E.
Del Amo Blvd., compton, calat., 90220, u.s.A. TELEPHON E : (213) 537-3880 TELEX: 67-7494
MANUFACTURED & DISTRIBUTED BY
AKAI ELECTRIC CO., LTD.
12-14, 2-chome, H igash i- Koliya,
Ohta-ku, Tokyo, Japan
Printed in Japan