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JDM MA-900A, Руководство по эксплуатации

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INPUT

LINK

1.6V RMS

+4dB

15Kohm

BALANCED

INPUT

LINK

BALANCED

AMP

E.B

COMP

AMP

CLIP

INDICATOR

INVER TING

LEVEL

DIF AMP

VOLTAGE AMP

+

+

-

PO

WER AMP

MONO/STEREO

POWER

SWITCH

AC

FUSE

-

BIAS

SENSOR

CURRENT

LIMITER

CURRENT

LIMITER

SPEAKER

PROTECT OR

D.C

SERVO

CHANNEL 2 AMPLIFIER

POWER TRANS

NEGATIVE FEEDBACK

+

-

DRIVER

DRIVER

TEMP SEN

VCC

PROTECT
INDICATOR

OUTPUT
SIGNAL
INDICATOR

CH1
OUTPUT

CH2
OUTPUT

CH1/BRIDGED

MONO OUTPUT

MAIN  PO WER

PROT  POWER

POWER INDICA TOR

FAN

MA-SERIES

NOTICE

: XLR CONNECT OR

: 1/4" PHONE  JACK

: BINDING POST  TERMINAL

LEVEL

AC POWER

120V/220V/230V/

240V   50/60Hz

(OPTION)

+

SOFT

START

B

LOCK DIAGRAM 

+⋾᳗᢮,

Содержание MA-900A

Страница 1: ...POWER AMPLIFIER MA 300A 600A 900A dB 0 3 6 9 Clip Signal Power Power PROTECTION Signal Clip 12 15 18 25 35 45 dB 0 3 6 9 12 15 18 25 35 45 STEREO POWER AMPLIFIER MA 900A CHANNEL A CHANNEL B www jd med...

Страница 2: ...35 45 STEREO POWER AMPLIFIER MA 900A CHANNEL A CHANNEL B www jd media co kr POWER dB 0 3 6 9 Clip Signal Power Power PROTECTION Signal Clip 12 15 18 25 35 45 dB 0 3 6 9 12 15 18 25 35 45 STEREO POWER...

Страница 3: ...connecting To prevent electric shock do not open top cover Connect the power cord with safety after check of AC power Amplifiers should be serviced by qualified service person FEATURES Automatic vari...

Страница 4: ...ROLS 1 2 3 2 SIGNAL LED SIGNAL LED light if the output signal exceeds 100mW POWER LED POWER LED as operating light 2 CANNEL VOLUME Control for the output level of channel A B 3 POWER SWITCH Provides p...

Страница 5: ...st 4 Both channels are connected as a bridge for a speaker impedance of at least 8 UG G hRG G R SG iR G T GG G G G G G G h G G G G G G G G G GGGG U UGG G G G_GGGG U MODEL CONDITION AC 100V 120V AC 220...

Страница 6: ...ON Signal Clip 12 15 18 25 35 45 dB 0 3 6 9 12 15 18 25 35 45 STEREO POWER AMPLIFIER MA 900A CHANNEL A CHANNEL B www jd media co kr POWER CHANNE CHANNE CHANNEL A L A L A CHANNE CHANNE CHANNEL B L B L...

Страница 7: ...connection stereo bridge mono 3 MA Series amplifier maybe operated in one of two modes 4 JD MEDIA assumes no liability for damaged loads resulting from careless amplifier use or deliberate over poweri...

Страница 8: ...2 3 INPUT FROM SOURCE SHIELD 1 2 3 SHIELD INPUT FROM SHIELD BALANCED UNBALANCED Input Wiring Tips SHIELD SOURCE METHOD 2 METHOD 1 Ch B Ch A Ch B Ch A BRIDGED Ch B Ch B Ch A Ch B Ch A BRIDGED Ch A STER...

Страница 9: ...8 ohms into 4 ohms into 8 ohms bridged Output power 2 x 128W 2 x 175W 1 x 350W 2 x 250W 1Khz THD 0 1 2 x 380W 1 x 760W 2 x 350W 2 x 490W 1 x 980W MA 300A MA 600A MA 900A MA 600A MA 900A MA 300A 1160W...

Страница 10: ...CURRENT LIMITER SPEAKER PROTECTOR D C SERVO CHANNEL 2 AMPLIFIER POWER TRANS NEGATIVE FEEDBACK DRIVER DRIVER TEMP SEN VCC PROTECT INDICATOR OUTPUT SIGNAL INDICATOR CH1 OUTPUT CH2 OUTPUT CH1 BRIDGED MO...

Страница 11: ...M EMO...

Страница 12: ...JD MEDIA CO LTD www jd media co kr C N 4M MA300A 02 435 831 3 11 Yodang rim Yanggam myun Whasung city Kyung Gi do KOREA Tel 82 31 366 6400 Fax 82 31 366 6404...

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