JDM MA-300A, Operating Instructions Manual

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3. BALANCED XLR, PHONE INPUTS
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3
Normal input level is 1.6V (+4dBu) 15K balanced with channal
A,B XLR and 1/4" phone jack input terminal for the extension to
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4. SPEAKER CONNECTORS
Turn the amplifier off befor touching the output connection.
WARNING :
To prevent electric shock do not operate the amplifier with
any of the conductor portion of the speaker wire exposed.
SPEAKER CABLING :
Larger wire sizes and shorter lengths minimize both loss of
power and degradation of damping factor.
Do not place speaker cables next to input wirning.
5. MODE SELECTOR
BRIDGE MONO
STEREO
Both channels operate separately : for stereo or 2-channel
operation, speaker impedance for each channel at least 4 .
Both channels are connected as a bridge : for a speaker
impedance of at least 8 .
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MODEL
CONDITION
AC 100V/120V AC 220/230/240V
MA-900A
MA-600A
MA-300A
T20AL 250V
T15AL 250V
T8AL 250V T4AL 250V
T8AL 250V
T10AL 250V
Ch-B Ch-A
Ch-B
Ch-A/BRIDGED Ch-B
Ch-B Ch-A
Ch-B / Ch-A BRIDGED
Ch-A
1
2
4 3
5
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1. AC INLET SOCKET
This is AC power cord socket. Please connect the power cord after
main power switch "off".
2. AC FUSE HOLDER
This is AC fuse holder.
There is DC in P.C.B board
MODEL
VOLTAGE
120VAC 220/230/240VAC
MOBILE35
120VAC
T6AL 250V(65TL)
T10AL 250V(65TL) MOBILE60
T1AL 250V(S51)
T2AL 250V(S51)
T500mAL 50V(50T)
T1A 250V(50T)
IMPORTANT NOTICE:
When fuse is blown out, it should be replaced with the same type
fuse like following table, if it continuous to blown out, stop replacing
fuse and refer servicing to qualified person.
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R
EAR PANEL CONTROLS +㮮὞ጚត,#
STEREO POWER AMPLIFIER
JD-MEDIA CO., LTD.