Akai X-1810 User Manual

I. SPECIFICATIONS
STYLE Portable
WEIGHT 21.4 kg. (47 Ibs.)
DIMENSIONS
17.4(W)
x
18(H)
x
9.6(D)”:
(435
x450
x
240
mm)
POWER SUPPLY AC 100 to 240V; 50/60 Hz.
RECORDING SYSTEM
REG) 3. s:.cce In-Line 4-track 2-channel
stereo/monaural CROSS-
FIELD HEAD Recording
System
Cartridge ..... In-Line 8-track stereo re-
cording system
Transfer ....., Pre-recorded conventional
reel tape cun be transferred
(dubbed) to cartridge tape.
PLAY BACK SYSTEM
? Reel ....cccecees In-Line 4-track 2-channel
stereo/monaural playback
system
Cartridge ..... In-Line 8-track 2-channel
stereo playback system
TAPE SPEED © Reel 5..ccevsisee 3 speeds (1-7/8, 3-3/4, and
7-1/2 ips)
Cartridge ..... 3-3/4 ips
TAPE SPEED DEVIATION
Reel ............ £0.8%
Cartridge ..... +2%
WOW AND FLUTTER
(Fwd and Reverse : Reel ............ Less than 0.12% at 7-1/2
Playback only) ips
Less than 0.25% at 3-3/4
ips
Less than 0.35% at 1-7/8
ips
Cartridge ..... Less than 0.35%
FREQUENCY RESPONSE
Reel .......s000 30 to 22,000 Hz. +3 dBat
7-1/2 ips
30 to 18,000 Hz. +3 dBat
3-3/4 ips
30 to 9,000 Hz +3 dB at
1-7/8 ips
Cartridge ..... 50 to 16,000 Hz +3 dB
EQUALIZATION : Correct equalization for playback of
tapes recorded to NAB curve.
SIGNAL TO NOISE RATIO
REEL ssccrcasvuss Better than 46 dB Forward
Operation at all speeds.
Better than 44 dB Reverse
Operation at all speeds.
Cartridge..... Better than 41 dB.
CROSS-TALK f REEL ctscisecsoce Better than 65 dB (mona-
ural)
Better than 43 dB (stereo)
Cartridge Better than 50 dB
ERASE RATIO ® JReeél:cc . Better than 70 dB
Cartridge Better than 65 dB
INSULATION RESISTANCE
More than 50 M Ohms
INSULATION DURABILITY
1,000V AC for more than 1 minute
duration
OUTPUT
LINE OUTPUT :
(or Din Output)
1.228V (OVU. + 4 dB +2 dB) with a
250Hz OVU Recordec tape. Required
Load Impedance more than 20 KQ.
Forword«—+» Reverse +2 dB
5W maximum per each channel at music
power. (Total 10W). Impedance 80.
MAIN OUTPUT:
INPUT
LINE INPUT 60 mV, Impedance 150 K 9.
MIC INPUT 0.5 mV, Impedance 100 KN.
DIN INPUT 20 mV, Impedance 68 KO.
FAST FORWARD AND REWIND TIME
80 seconds for a full 1,200 ft. tape at
50 Hz.
65 seconds for a full 1,200 ft. tape at
60 Hz.
MONITOR SYSTEM
: Program being recorded can be moni-
tored through Stereo Headphones.
MOTORS Capstan Motor:
Hysteresis Synchronous 3-speed (2-4-
8 pole) motor. Condenser capacity
3 uF (50 Hz), 2 4 F (60 Hz).
Revolutions 3,000, 1,500, 750 rpm
(50 Hz); 3,600, 1,800, 900 rpm
(60 Hz).
Reel Motor:
Two 6-pole eddy current outer-rotor
motors. Revolutions 930 rpm at
50 Hz, 100V; 1,120 rpm at 60 Hz,
110V.
HEADS Rec/Playback Head:
(Reel) In-Line 4-track 2-channel stereo/
monaural recording/play back.
Gap: 2/1000mm, Impedance: 1,200 0
at 1,000 Hz.
Bias Head:
In-Line 4-track 2-channel stereo/
monaural.
Gap: 0.2 mm, Impedance: 5001 at
65 KHz.
Erase Head:
In-Line 4-track 2-channel stereo/
monaural,
Gap: 0.2 mm, Impedance 5009 at
65 KHz.
(Cartridge) Rec/Playback Head:
In-Line 8-track 2-channel stereo.
Gap: 1/1000 mm, Impedance: 7509
+15% at 1,000 Hz.
Erase Head:
In-Line 8-track 2-channel stereo.
Gap: 0.1 mm, Impedance: 2109
+10% at 65 KHz,
RECORDING LEVEL INDICATOR
: Vertical twin type VU Meters
RECORDING CAPACITY
Reel .... . 8 hours monaural record-
ing at 1-7/8 ips using a
1.200 ft. tape.
4 hours stereo recording at
1-7/8 ips using a 1,200 ft.
tape.
Cartridge ..... 1 hour stereo recording
using a 300 ft. cartridge
tape.
65 KHz +5 KHz.
2.5 to 5 seconds.
BIAS FREQUENCY:
MUTING TIME
TRANSISTORS USED
2SC1060 (B) (C) vice 4
2SC650 (A) ...... .4
2SC945 (Q) (R) .2
2SC968 (3) (4).. a7)
28D223 (Y) 1
2SC281 (B) 4
2SC45B (C) cccecscsscrseeseeeres 3
2SC458 (B) ccccccssseseseceeee 2
SC971 (3) (2) ... 2
2SC1211 (C) (D) vce 1
SILICON DIODES USED
10D1 (or VO6B) 2
10DC-1 (BIK) w....... |
RD24A (or 18339A) wu... 1
10D1 3
10D2... 2
10D4 1
GERMANIUM DIODES USED
IN34A _7
REEL CAPACITY : 5or7”
CARTRIDGE AKAI 8-track cartridge (Lear Jet type)
POWER CONSUMPTION
110W (X-1810D 95W)
a
ee
8
ee

Akai X-1810 Specifications

General

Brand	Akai
Model	X-1810
Category	Tape Deck
Language	English