Igeneral Informations; Specifications; Nomenclature - Akai X-355 Operator's Manual

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
1. SPECIFICATIONS
3.3/ 4, 7.1 / 2 and 15 ips.
30 to 24,000 cps ± 3 db at 7-1 / 2 ips.
30 to 18.000 cps ±3 db at 3.3/ 4 ips.
Better th an 47 d b a t normal play.
Less than 0.08% RMS a t 7-1 / 2 ips.
at normal, reverse play.
I
GENERAL INFORMATIONS
Better tha n 45 db at reverse play.
Less tha n 0. 14% RMS a t 3. 3/ 4 ips:
Correct equalization for playback of tapes recorded to the NAB curve.
Less tha n - 82 db (Monaural) Less than - 45 db (Stereo)
Within 4.0% at 1,000 cps O V U at IO watts.
*
R ecordi ng H ead : Inline 4 Track Stereo and Mona ural,
low impedance 135 ohms at 1,000 cps.
*
Playback H ead : lnline 4 track ste reo and monaural,
low impedance 1,000 ohms at 1,000 cps,
installed on an a utomatic shift device.
*
Erase and Bias H ead : l nline 4 track stereo, low impedance 750 ohms at 90 kc.
H ysteresis synchronous 2 speed (4.8 pole) motor for capstan drive.
T wo 4.po le induction motors fo r fast.forward and rewind.
± 0.3% a t all tape speeds.
Input of more than 0.5 mV in MICROPHONE jack.
Input of more than 50 mV in LI NE I NPUT j ack.
25 watts a t M usic Power on each ch an nel, tota l 50 watts.
20 watts a t Undistorted Power Output on each channel, total 40 watts.
2SB 443 {A) x 4} Pre. amplifier
2SB 75 (B)x 12
2SB 75 {A)x 2 }
2SB370A(A) x 2 M ai n amplifier
2SB338 {A) x 4
R ec tifier SP .01 x 2
R ec tifier l 2C.2 x I
Silicone Diode x 3
2SB370A (B) x 2 Oscillator
45 seconds for ei ther operation using a 1,200 feet recording tape at 50 cycles,
36 seconds a t 60 cycles.
6- I / 2" round , wide range speakers, one on each cha nnel.
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 3 10Dmm O verall, case closed. ( 17.3/ 8 "H x 16"W x 12-1 / 8
11
D )
GENERAL INFORMATIONS
2. NOMENCLATURE
rn
(j)
Supply R eel Shaft
@ Guard Circle
@
Speed Change Switch
©
Track Selector Knob
®
T ape Guide
®
Tape Guide Roller
(1) Upper Head Cover
®
Lower H ead Cove r
®
R emote Control Soc ke t
@) Powe r Button
@ Stop Button
@ Rewind Button
@ Play Button
@ Fast-Forward Button
@ R eco rd Safety Lock
@
R ecord Safety Button
@ Mic rophone J ack (Left)
@ Microphone J ack (Right)
@ VU M e ter
@ Line Volume Control (Lef t)
@ Microphone Volume
Con trol (Left)
@ R ecording Ind ica tor Light
@ Line Volume Control (Right)
@ Microphone Volume
Con trol (R ight)
@ R ecord Output Button
@ Stereo Headphone J ack
@ Playback Output Button
@ Vol ume Con trol (Left)
®) Volume Control (Right)
@) Func tion Switc h
@ Equalizer Switch
@
Tone Switch
@ Speaker Switch
@
R epeat Button
@ R eve rse Button
@ Shut.Off Buuon
@ Pinch Wheel
@
Capstan Shaft
@) Reverse Pin ( I )
@ Reverse Pin (
l )
@ Tension Arm
@) Index Counte r
@
Reset Button
@ T ape Holder
@ T a ke-u p R eel Sha ft
@ Dial Off Bu tton
@ Tape Count M e ter
@ Se t Dial
@) Manual Reverse Button
@
Spea ke r Reflectors
®
Line Input J ack (Left)
@ Line Inpu t J ack (Right)
@
Line Output J ack (Left)
I§
Line Outpu t J ack (R ight)
@) External Spea ker J ack (Left)
@) External Spea ker J ack (Right)