Akai 1730-SS

8. 4¢CHANNEL SURROUND STEREO SYSTEM
(1) Head Construction
| ‘
Recording / Playback Head
(4CH) (2CH)
Ch | —»> | FRONT LEFT LEFT
ane So aoa rece
Ch 2 —» | REAR LEFT
Ch 3 —> | FRONT RIGHT = RIGHT
ch 4 A] —> | REAR RIGHT
(2) ORDER OF HEADS
UU UU
Full Tr/4-Ch 4-Tr/2-Ch 4-Tr/4-Ch 4-Tr/4-Ch
ERASE ERASE RECORDING PLAYBACK
(3) BLOCK DIAGRAM WHEN SWITCHED
FROM 2-CH TO 4-CH
1. During 2-Ch operation, the internal main amp serves
tracks ] and 3.
2. When switched to 4-Ch operation, the internal main
amp is connected to serve channels 2 and 4 (Left
Rear and Right Rear).
3. During 4-Ch operation, it is necessary for the
external main amp to be connected for Front
Channel operation (tracks 1 and 3).
EXTERNAL SPEAKER
PRE-AMP MAIN AMP
a1 =°3 (rom er
INTERNAL
— aN AMP
~~ ©
| ourrur os "3 C REAR LEFT
Ee = we rg iv (2Ch LEFT)
| | sweor
4ch
°3 C] ror
LO ————
+ [ap +--+ ee ae
6 on (2.Ch RIGHT)
Ch3
1]