Akai X 355 Owners Manual

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Akai X 355 Owners Manual

Extracted text from Akai X 355 Owners Manual (Ocr-read)


Page 1

{ CROSS FIELD HEAD
sol-.10 STATE AMRLIFlERF:;§_S;;3*;;;.;};_;

-TRACK STEREOPHONIC1:;5:597?-

.,?I ibg 9am: :5 g?% 2 ~ _ SOUND RECORDER
'V :,>** i< -* AND REPRODUCER
e 7777

TABLE: OF CONTENTS

I GENERAL |NFORMAT|0N$ 15, REVERBERA'IION ....................................... ®
. 17. SOUND ON SOUND ....................................
1, SPLC CAT I ....................................... _
2 NOME;CLAII9U\EE ....................................... g?) 18. SOUND WITH SOUND ................................. ®
3. CROSS- FIELD HEAD .................................... © 19- FAST~FORWARD AND REWIND ---------------- ®
4.4 4-TRACK RECORDING PLAYBACK ............ @ 3(1) EggsgfigfiNfgchE --------------------------------- 29
5' SROUBUT SHOOTING""'"WWWW". """" 5" 22. HEAD DEMAGNETIZATION ........................ Q
6. VOLTAGE AND CYCLE CONVERSION ------ ® 23 TRANSISTOR PROTECTION @
24, VENTILATION .......... - ................................... ®
I OPERATING INSTRUCTIONS
I. TAPE LOADING .......................................... ® I[ ACCESSORIES
2. PLAYBACK ------------------------------------------------ I. ACCESSORIES OPTIONAL ........................... ®
3. PLAYBACK USING EXTERNAL 2, ACCESSORIES SPEAKERS ........................... @
SPEAKERS OR AMPLIFIER ------ 3, ACCESSORIES STANDARD ........................ @
4. AUTOMATIC STOP (DECK ONLY) ---------------
5. AUTOMATIC SHUT.OFF
(DECK AND AMPLIFIERS) ....... ® N LUBRICATION CIIART .................................... ®
6. AUTOMATIC REVERSE {METER} --------------- ®
7. AUTOMA'IIC REPEAT (METER) ------------------ ® .................................
8. AUTOMATIC REVERSE OR REWIND v CONNECTING DIAGRAM ®
(METALLIC SENSING TAPE} ------ ®
9. AUTOMATIC SHUT-OFF WITH VI SCHEMATIC
REVERSE AND REPEAT ...... @.
l0. MIKNUAL REyERSE OR REPEAT .............. ® ;- rfigfiggliiwuggrr --~:-.:: .................... : ....... @
ll. RECORDING ................................................ ® ' """""" @
l2. RECORDING FROM DISCS ------------------------ @
l3. RECORDING FROM AN EXTERNAL
AMPLIFIER ------ ®
l4. RECORDING FROM ANOTHER
TAPE RECORDER ...... ®
15. MONITORING ............................................ ®

Page 2

Tape Speed
Frequency Response

Signal to Noise Ratio
Wow and Flutter

Playback only)

Equalization

Cross Talk

Distortion (Total Harmonics)

Head ------------ Cross-Field

Motor Used

Timing Accuracy
Recording Sensitivity

Power Output

Transistor Used

Fast-Forward and Rewind
Time

Internal Speakers

Power Requirements
Weight (Net)

Dimensions

SPECIFICATIONS

1 GENERAL INFORMATIONS 1

3-3/4, 7-1/2 and 15 ips.

30 to 24,000 cps 4:3 db at 7-1/2 ips.
30 to 18.000 cps i3 db at 3-3/4 ips.

Better than 47 db at normal play.
Less than 0.08% RMS at 7-1/2 ips.
at normal, reverse play.

Better than 45 db at reverse play.
Less than 0.14% RMS at 3-3/4 ips.

Correct equalization for playback of tapes recorded to the NAB curve.

Less than --82 db (Monaural)

Within 4.0% at 1,000 cps 0 VU at 10 watts.

* Recording Head : Inline 4 Track Stereo and Monaural,
low impedance 135 ohms at 1,000 cps.

* Playback Head : Inline 4 track stereo and monaural,
low impedance 1,000 ohms at 1,000 cps,
installed on an automatic shift device.

* Erase and Bias Head : Inline 4 track stereo, low impedance 750 ohms at 90 kc.

Hysteresis synchronous 2 speed (4-8 pole) motor for capstan drive.

Two 4-pole induction motors for fast-forward and rewind.

:1:0.3% at all tape speeds.

Input of more than 0.5 mV in MICROPHONE jack.
Input of more than 50 mV in LINE INPUT jack.

25 watts at Music Power on each channel, total 50 watts.
20 watts at Undistorted Power Output on each channel, total 40 watts.

28B 443 (A)x 4

ZSB 75 (B)x12} Preamplifier

253 75 (A)>< 2

2SB370A(A)>< 2] Main amplifier

28B338 (A) x 4
Rectifier SPN-Ol x 2
Rectifier 12C-2 x 1
Silicone Diode x 3

Less than -45 db (Stereo)

2SB370A (B) x 2 Oscillator

45 seconds for either operation using a 1,200 feet recording tape at 50 cycles,

36 seconds at 60 cycles.

6-1/2 round, wide range speakers, one on each channel.
AC 100 to 240 volts, 50-60 cps, 60 VA (at non signal) to 170 VA (at maximum output)

28.5 kg (62.7 pounds)

440H x 407W x 310D mm Overall, case closed. (l7-3/8H x 16W x 12-1/8D)

GENERAL INFORMATIONS

Fig. l.

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2. NOMENCLATURE

Q) Supply Reel Shaft

® Guard Circle

@ Speed Change Switch

@ Track Selector Knob

6) Tape Guide

© Tape Guide Roller

(7) Upper Head Cover

Lower Head Cover

(9) Remote Control Socket

Power Button

® Stop Button

® Rewind Button

® Play Button

Fast-Forward Button

® Record Safety Lock

® Record Safety Button

® Microphone jack (Left)

Microphone Jack (Right)

VU Meter

® Line Volume Control (Left)

® Microphone Volume
Control (Left)

@ Recording Indicator Light

® Line Volume Control (Right)

@ Microphone Volume
Control (Right)

@ Record Output Button

® Stereo Headphone Jack

@ Playback Output Button

® Volume Control (Left)
® Volume Control (Right)
® Function Switch

@ Equalizer Switch

® Tone Switch

@ Speaker Switch

@ Repeat Button

@ Reverse Button

Shut-Off Button

@ Pinch Wheel

® Capstan Shaft

Reverse Pin (I)

Reverse Pin (I)

Tension Arm

(:9 Index Counter

Reset Button

@ Tape Holder

Take-up Reel Shaft

Dial Off Button

@ Tape Count Meter

Set Dial

Manual Reverse Button
Speaker Reflectors

@ Line Input Jack (Left)
62) Line Input Jack (Right)
@ Line Output Jack (Left)
@ Line Output Jack (Right)
65) External Speaker Jack (Left)
External Speaker jack (Right)