Galaxy Audio CORE XP250 User Manual
GALAXY AUDIO
®
®
CORE X250
CORE XP250
1999 Galaxy Audio, Inc.
OWNER’S MANUAL
©
WARNING! TO PREVENT THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE. TO PREVENT THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO
USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
This symbol indicates that a dangerous voltage constituting a risk of electric shock is present within this unit.
This symbol indicates that there are important operating and maintenance instructions in the literature
accompanying this unit.
GENERAL GUIDELINES FOR OPERATING THE CORE X250/XP250
DO NOT . . .
! Expose the CORE X250/XP250 to rain or moisture.
! Plug-in or unplug patch cords while the power is on.
! Plug-in or unplug an external speaker while the power is on. Doing so may cause a temporary short which can
result in damage to the amplifier section.
! Attempt to make any repairs to the CORE X250/XP250.
DO . . .
! Handle with care.
! Read this manual.
! Complete the registration card.
TABLE OF CONTENTS
TYPICAL SETUP----------------------------------------------------------------------------------------------------- 2
CORE X250 FRONT PANEL-------------------------------------------------------------------------------------- 4
CORE XP250 FRONT PANEL------------------------------------------------------------------------------------ 5
CORE X250/XP250 REAR PANEL------------------------------------------------------------------------------ 6
SOUND REINFORCEMENT BASICS -------------------------------------------------------------------------- 7
Avoiding Feedback -------------------------------------------------------------------------------------------- 7
Monitor Placement --------------------------------------------------------------------------------------------- 7
Low Frequency Distortion----------------------------------------------------------------------------------- 7
Maximizing Gain ------------------------------------------------------------------------------------------------ 8
Ohm’s Law-------------------------------------------------------------------------------------------------------- 9
CORE X250 SPECIFICATIONS---------------------------------------------------------------------------------- 10
CORE XP250 SPECIFICATIONS-------------------------------------------------------------------------------- 11
ARCHITECT AND ENGINEER SPECIFICATIONS --------------------------------------------------------- 12
WARRANTY ----------------------------------------------------------------------------------------------------------- 12
BLOCK DIAGRAM--------------------------------------------------------------------------------------------------- 13
1
®
CORE X250
TYPICTYPIC
TYPIC
TYPICTYPIC
AL SETUPAL SETUP
AL SETUP
AL SETUPAL SETUP
Virtually any combination of mics, instruments, or tape/CD players may be simultaneously plugged into the inputs for all channels with
the exception of the ¼” and RCA jacks for Channel 4. Since Channel 4’s ¼” and RCA jacks are parallel, simultaneously using both will
result in diminished sound quality.
2
! Explanations of controls and jacks are preceded by boxes.
A
WIRELESS MIC
B
WIRELESS MIC RECEIVER OUTPUT to CORE X250 MIC (XLR) INPUT: Channel 1, and/or 2, and/or 3
! MIC IN (+24VDC phantom power) connects a microphone or other device which uses an XLR plug. Use
ONLY balanced devices and cables.
! LEVEL controls the amount (volume) of the channel’s signal that is sent to the MASTER mix.
! AUX controls the amount (volume) of the channel’s signal that is sent to the AUX mix. This control is
level
, meaning the AUX control is active only when the LEVEL control is turned up.
C/D
CONDENSER OR DYNAMIC MIC to CORE X250 MIC INPUT: Channel 1, and/or 2, and/or 3
! See
E
CORE X250 SPEAKER OUTPUT (REAR PANEL) to MAIN SPEAKER INPUT
! REAR PANEL (¼”) SPEAKER OUTPUT This
mix to the main speaker.
F
TAPE/CD PLAYER OUTPUT to CORE X250 (¼”) LINE INPUT or TAPE (RCA) INPUT: Channel 4
! BALANCED (¼”) LINE IN connects OUTPUT from an instrument.
! CD/TAPE (RCA) INPUT connects OUTPUT from a tape or CD player.
! LEVEL and AUX controls function as in B, C and D.
B
speaker level
(powered) output sends the
The ¼” and RCA jacks are parallel. If both are used, sound quality is diminished.
G
CORE X250 AUX OUTPUT to OUTBOARD PROCESSOR (reverb or similar device) INPUT
! AUX OUTPUT The
available at this ¼”
pre-master, pre-EQ
line level
(unpowered) output
AUX mix (determined by the channels’ AUX control settings) is
post-EQ
post-
master
H
OUTBOARD PROCESSOR (reverb or similar device) OUTPUT to CORE X250 AUX RETURN INPUT
! AUX RETURN (AUX IN) BALANCED (¼”) LINE INPUT accepts the
outboard processor. This input’s LEVEL control determines the amount of the “wet” (processed) signal that is
added to the MASTER mix.
I
CORE X250 LINE OUTPUT to RECORDER INPUT
! LINE OUTPUT provides a
identical to the powered mixes available from either the front or rear SPEAKER OUTPUT jacks.
J
CORE X250 SPEAKER OUTPUT (FRONT PANEL) to SATELLITE SPEAKER INPUT
! FRONT PANEL (¼”) SPEAKER OUTPUT provides a powered
MASTER mix to an unpowered satellite speaker; identical in content to the
at the rear (¼”) speaker output jack and the
line level
(unpowered)
line level
post-master, post-EQ
(unpowered) mix available at the (¼”) LINE output jack.
3
line level
(unpowered) signal from an
version of the MASTER mix;
post-master, post-EQ
speaker level
version of the
(powered) mix available
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