Gemini GXA-1600, GXA 750 User Manual

OPERAOPERA

OPERA

OPERAOPERA

BEDIENUNGSHANDBBEDIENUNGSHANDB

BEDIENUNGSHANDB

BEDIENUNGSHANDBBEDIENUNGSHANDB MANUMANU

MANU

MANUMANU MANUEL D’INSTRMANUEL D’INSTR

MANUEL D’INSTR

MANUEL D’INSTRMANUEL D’INSTR

GXA 750/1600GXA 750/1600

GXA 750/1600

GXA 750/1600GXA 750/1600

TIONS MANUTIONS MANU

TIONS MANU

TIONS MANUTIONS MANU

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AL DEL OPERADORAL DEL OPERADOR

AL DEL OPERADOR

AL DEL OPERADORAL DEL OPERADOR

UCTIONSUCTIONS

UCTIONS

UCTIONSUCTIONS

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STEREO POSTEREO PO

STEREO PO

STEREO POSTEREO PO

STEREO VERSTSTEREO VERST

STEREO VERST

STEREO VERSTSTEREO VERST AMPLIFICADOR DE PODER ESTEREOAMPLIFICADOR DE PODER ESTEREO

AMPLIFICADOR DE PODER ESTEREO

AMPLIFICADOR DE PODER ESTEREOAMPLIFICADOR DE PODER ESTEREO AMPLIFICAAMPLIFICA

AMPLIFICA

AMPLIFICAAMPLIFICA

TEUR DE PUISSANCE STÉRÉOTEUR DE PUISSANCE STÉRÉO

TEUR DE PUISSANCE STÉRÉO

TEUR DE PUISSANCE STÉRÉOTEUR DE PUISSANCE STÉRÉO

WER AMPLIFIERWER AMPLIFIER

WER AMPLIFIER

WER AMPLIFIERWER AMPLIFIER

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MULTI LANGUAGE INSTRUCTIONS:

ENGLISH.............................................................................................................................................PAGE 4

DEUTSCH...........................................................................................................................................PAGE 7

ESPAÑOL..........................................................................................................................................PAGE 10

FRANCAIS........................................................................................................................................PAGE 1 3

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PLEASE READ BEFORE USING APPLIANCE,

IMPORTANT WARNING & SAFETY INSTRUCTIONS!

CAUTION

RISK OF ELECTRICAL SHOCK

DO NOT OPEN!

CAUTION: THIS PRODUCT SATISFIES FCC REGULATIONS WHEN SHIELDED CABLES AND

CONNECTORS ARE USED TO CONNECT THE UNIT TO OTHER EQUIPMENT. TO PREVENT ELECTROMAGNETIC INTERFERENCE WITH ELECTRIC APPLIANCES SUCH AS RADIOS AND TELEVISIONS, USE SHIELDED CABLES AND CONNECTORS FOR CONNECTIONS.

THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE USER TO THE PRESENCE OF IMPORTANT OPERATING AND MAINTENANCE (SERVICING) INSTRUCTIONS IN THE LITERATURE ACCOMPANYING THE APPLIANCE.

THE LIGHTNING FLASH WITH ARROWHEAD SYMBOL, WITHIN AN EQUILATERAL TRIANGLE, IS INTENDED TO ALERT THE USER TO THE PRESENCE OF UNINSULATED “DANGEROUS VOLTAGE” WITHIN THE PRODUCT’S ENCLOSURE THAT MAY BE OF SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK TO PERSONS.

READ INSTRUCTIONS: All the safety and operating instructions should be read before

the product is operated.

RETAIN INSTRUCTIONS: The safety and operating instructions should be retained for

future reference.

HEED WARNINGS: All warnings on the product and in the operating instructions

should be adhered to.

FOLLOW INSTRUCTIONS: All operating and use instructions should be followed. CLEANING: The product should be cleaned only with a polishing cloth or a soft dry

cloth. Never clean with furniture wax, benzine, insecticides or other volatile liquids since they may corrode the cabinet.

ATTACHMENTS: Do not use attachments not recommended by the product

manufacturer as they may cause hazards.

WATER AND MOISTURE: Do not use this product near water, for example, near a

bathtub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool; and the like.

ACCESSORIES: Do not place this product on an unstable cart, stand, tripod, bracket,

or table. The product may fall, causing serious injury to a child or adult, and serious damage to the product. Use only with a cart, stand, tripod, bracket, or table recommended by the manufacturer, or sold with the product. Any mounting of the product should follow the manufacturer’s instructions, and should use a mounting accessory recommended by the manufacturer.

CART: A product and cart combination should be moved with care. Quick stops, excessive

force, and uneven surfaces may cause the product and cart combination to overturn.

See Figure A.

VENTILATION: Slots and openings in the cabinet are provided for ventilation and to

ensure reliable operation of the product and to protect it from overheating, and these openings must not be blocked or covered. The openings should never be blocked by placing the product on a bed, sofa, rug, or other similar surface. This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instructions have been adhered to.

POWER SOURCES: This product should be operated only from the type of power

source indicated on the marking label. If you are not sure of the type of power supply to your home, consult your product dealer or local power company.

LOCATION: The appliance should be installed in a stable location. NON-USE PERIODS: The power cord of the appliance should be unplugged from the

outlet when left unused for a long period of time.

GROUNDING OR POLARIZATION:

• If this product is equipped with a polarized alternating current line plug (a plug having one blade wider than the other), it will fit into the outlet only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polarized plug.

• If this product is equipped with a three-wire grounding type plug, a plug having a third (grounding) pin, it will only fit into a grounding type power outlet. This is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the grounding type plug.

POWER-CORD PROTECTION: Power-supply cords should be routed so that they are

not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the product.

OUTDOOR ANTENNA GROUNDING: If an outside antenna or cable system is

connected to the product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with regard to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of antenna-discharge unit, connection to grounding electrodes, and requirements for the grounding electrode. See Figure B.

LIGHTNING: For added protection for this product during a lightning storm, or when it

is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power-line surges.

POWER LINES: An outside antenna system should not be located in the vicinity of

overhead power lines or other electric light or power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system, extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal.

OVERLOADING: Do not overload wall outlets, extension cords, or integral

convenience receptacles as this can result in a risk of fire or electric shock.

OBJECT AND LIQUID ENTRY: Never push objects of any kind into this product

through openings as they may touch dangerous voltage points or short-out parts that could result in a fire or electric shock. Never spill liquid of any kind on the product.

SERVICING: Do not attempt to service this product yourself as opening or removing

covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel.

DAMAGE REQUIRING SERVICE: Unplug this product from the wall outlet and refer

servicing to qualified service personnel under the following conditions:

• When the power-supply cord or plug is damaged.

• If liquid has been spilled, or objects have fallen into the product.

• If the product has been exposed to rain or water.

• If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation.

• If the product has been dropped or damaged in any way.

• When the product exhibits a distinct change in performance, this indicates a need for service.

REPLACEMENT PARTS: When replacement parts are required, be sure the service

technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards.

SAFETY CHECK: Upon completion of any service or repairs to this product, ask the

service technician to perform safety checks to determine that the product is in proper operating condition.

WALL OR CEILING MOUNTING: The product should not be mounted to a wall or ceiling. HEAT: The product should be situated away from heat sources such as radiators,

heat registers, stoves, or other products (including amplifiers) that produce heat.

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REAR:REAR:

REAR:

REAR:REAR:

FRONTFRONT

FRONT

FRONTFRONT PP

ANEL:ANEL:

ANEL:

ANEL:ANEL:

GXA 750/1600

STEREO MODE:STEREO MODE:

STEREO MODE:

STEREO MODE:STEREO MODE:

ARALLEL MODE:ARALLEL MODE:

ARALLEL MODE:

ARALLEL MODE:ARALLEL MODE:

MONO BRIDGE MODE:MONO BRIDGE MODE:

MONO BRIDGE MODE:

MONO BRIDGE MODE:MONO BRIDGE MODE:

CONNECTIONS:CONNECTIONS:

CONNECTIONS:

CONNECTIONS:CONNECTIONS:

XLR

1/4” TRS

XLR

1/4” TRS

SPEAKON

1/4” TRS

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XLR

SPEAKON

INTRODUCTION:

Congratulations on purchasing your Gemini GXA power amplifier. This state of the art power amplifier includes the latest features and is backed by a three year limited warranty. Prior to use, we suggest that you carefully read all the instructions.

FEATURES:

• State of the art technology provides exceptional reliability when working with difficult speakers.

• Stable down to 2 ohm impedence

• Excellent handling of low frequencies as well as clear mids and flawless highs

• High output power to drive professional loudspeakers without distortion

• Oversized toroidal transformer, filter and heatsinks for better low end, transparency and stability

• Comprehensive protection circuitry (short, overheat, DC, subsonic and RF filters, turn-on delay) with high current speaker protection relays

• Three modes of operation - stereo, parallel mono and mono bridge with mode status indication LED on front panel

• Flexible input configuration with active balanced inputs; additional input connectors to chain amps

• True clip LED for better control

• Front-to-Rear airflow with 2 speed dual fan control

• Efficient dual aluminum extrusion heatsink design for thermal stability and reliability

• Turn-on in-rush current limiting circuitry

• Compact 2U well balanced enclosure

• Steel reinforced chassis construction for durability and longevity

CAUTIONS:

Read all operating instructions before using this equipment. To reduce the risk of electrical shock, do not open the unit. There are NO USER REPLACEABLE P ARTS INSIDE. Please contact the Customer Gemini Service Department or your authorized dealer to speak to a qualified service technician. Be sure to allow adequate front and rear ventilation to avoid possible heat damage to your equipment. Be sure that AC power is OFF and all level controls are set to MINIMUM before making connections. This will eliminate any chance of unexpected, loud audio transients that could damage your speaker systems. Be sure that AC power is OFF when changing modes of operation and when changing the position of the ground lift switch. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. Operators of electronic equipment should in no way be in contact with water . When connecting to AC power line be sure you haven’t lost the ground connection by using an adapter or extension cord without a 3 prong plug. DO NOT USE ANY SPRAY CLEANER OR

LUBRICANT ON ANY CONTROLS OR SWITCHES.

CONNECTIONS, CONTROLS AND INDICATORS:

AC POWER SECTION:

FUSE: Replace FUSE (1) with those of proper type and rating. SIGNAL GROUND LIFT SWITCH: SIGNAL GROUND LIFT SWITCH (2)

is used to lift the balanced input connectors’ ground/shield from the amplifier’s ground. When the signal ground lifted, the sound source disconnects from the amplifier’s ground preventing ground loops which can generate hum and noise. See the Signal Ground Lift Switch Instructions for more detail.

AC CORD OUTLET: AC CORD OUTLET (3 ) is used to attach the power cord to the unit.

REAR PANEL:

INPUT SECTION:

There are two parallel input connectors (one female XLR and one 1/4” TRS jack) per channel. Either can be used as an input or as a link to chain

amplifiers. XLR INPUT JACKS: XLR INPUT JACKS (4, 5) electronically balanced

inputs accept a standard XLR male connector. Pin 1 = shield/ground, pin 2 = hot or positive (+) and pin 3 = cold or negative (-).

1/4" TRS INPUT JACKS: 1/4" TRS INPUT JACKS (6, 7) accept a balanced as well as an unbalanced line level signal. The unbalanced line uses a standard tip-sleeve connection. The tip is positive and the sleeve is negative/ground. The balanced line uses a tip-ring-sleeve connection. Tip = hot or positive (+), ring = cold or negative (-), and sleeve = shield/ground.

OPERA TION MODE SWITCH: OPERATION MODE SWITCH (8 ) is used to set the unit for STEREO mode, PARALLEL MONO mode, and

MONO BRIDGE mode.

OUTPUT SECTION:

Disconnect the unit from the AC power source before making any connections. Pay close attention to polarity (shown on the back of the unit) when connecting your speakers. Connecting your speaker systems using the wrong polarity will not damage your speakers, but it will impact the quality of the sound (lack of bass and incorrect stereo image).

SPEAKER OUTPUTS (9, 10, 11): SPEAKON connectors are provided to connect speakers to the amplifier quickly and easily. They are high current rated and provide very stable and durable contacts. A third SPEAKON connector in the center is provided to be used if the amplifier is in the MONO BRIDGE mode. Every SPEAKON connector has (PIN 1-) as negative and (PIN 1+) as positive.

NOTE: TOTAL SPEAKER IMPEDANCE MUST NOT BE LOWER THAN 2 OHM PER CHANNEL FOR

STEREO AND PARALLEL MONO MODES, OR 4 OHM FOR MONO BRIDGE MODE. THE GXA AMPLIFIER IS DESIGNED TO HANDLE LOW IMPEDENCE LOADS AND WILL OPERA TE NORMALLY WITH MOST 2 OHM SPEAKERS/P ARALLEL SPEAKER COMBINATIONS. HOWEVER, FOR OPTIMAL PERFORMANCE AND RELIABILITY WE RECOMMEND USING SPEAKERS WITH HIGHER IMPEDENCE.

FRONT PANEL:

POWER SWITCH: The POWER SWITCH (12) turns the unit on and off. POWER LED: The POWER LED (13) lights when the power is on. If the

POWER LED (13) does not light, refer to the trouble shooting guide. MONO LED: The MONO LED (14) will light when you have set the rear panel

OPERATION MODE SWITCH (8) for PARALLEL MONO operation

always make sure that this switch is in the correct position and that all speaker connections have been made correctly for the mode of operation you wish to use before powering up the amplifier.

BRIDGE LED: The BRIDGE LED (15) will light when you have set the rear panel OPERATION MODE SWITCH ( 8) for MONO BRIDGE operation. Always make sure that this switch is in the correct position and that all speaker connections have been made correctly for the mode of operation you wish to use before powering up the amplifier.

SIGNAL LED: The SIGNAL LED (16) for each channel show when a signal is present. In MONO BRIDGE mode, both the CHANNEL A LED and the CHANNEL B LED will light in unison.

CLIP LED: The amplifier has true CLIP LED (17) to help you properly control the amplifier’s output and achieve undistorted sound. The CLIP LED (17) for each channel light when your signal level is so strong that the distortion reaches 1% THD. The CLIP LED (17) should not remain constantly on or flash repeatedly during operation. For clean sound reproduction, the CLIP LED (17) should only light occasionally for an instant. If the LED remains on or flashes repeatedly , you will hear distorted sound that can be damaging to your speaker systems. If this occurs, reduce the signal level by lowering the input level control for the channel that is clipping or reduce the level at the source. If the CLIP LED (17) lights when no signal is present, it may indicate a DC level on the output which may cause damage to speakers (the DC level will not be audible). Please note that when you are using the amplifier in the MONO BRIDGE mode, both CLIP LED (17) of the bridged channels will operate simultaneously.

PROTECT LED: PROTECT LED (18) when you first turn on the amplifier, the PROTECT LED light briefly during a turn-on delay which indicates that the outputs are disconnected internally. There will be an audible click when the outputs reconnect and the PROTECT LED (18) will turn off. Otherwise, the PROTECT LED (18) indicates that there is a problem either in the amplifier’s external connections, load or temperature conditions or its internal functions. If one of these situations occur, the amplifier senses the problem and automatically switches into PROTECTION mode. The LED will light to warn you of the trouble and the amplifier will stop working. If this occurs, switch off the amplifier and refer to the Trouble Shooting Guide. If the PROTECT LED (18) remains lit when resuming amplifier operation, do not use the amplifier and contact an authorized service technician.

LEVEL CONTROLS: LEVEL CONTROLS (19, 20) establish the input levels required for each channel. Only the CHANNEL A LEVEL

CONTROL (19) works in MONO BRIDGE mode.

OPERATING INSTRUCTIONS:

THE AMPLIFIER’S POWER MUST BE TURNED OFF WHEN CHANGING MODES OF OPERATION.

STEREO OPERA TION:

The unit has two channels for stereo operation. Each channel provides a separate and discrete signal at the speaker outputs according to the signal received at the inputs. The following instructions are for applications with 8 Ohm, 4 Ohm or 2 Ohm speakers of matched power ratings.

1. With the power off, set the OPERATION MODE SWITCH (8) to the

STEREO position. When the power is on, the MONO LED (14) and BRIDGE LED (15) on the front panel will not light. If these LED illuminate,

you have the switch in the wrong position. Correct before continuing.

2. With the power off, connect your input cables to the CHANNEL A and B inputs using either the XLR INPUT JACKS (4, 5) or 1/4" TRS INPUT JACKS (6, 7) of each channel. The other CHANNEL A and CHANNEL B input s can be used to link to an additional amplifier.

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3. Connect the loudspeakers to the CHANNEL A and CHANNEL B SPEAKER OUTPUTS (9, 11). THE TOT AL SPEAKER LOAD MUST BE A T LEAST 2 OHMS PER CHANNEL. If you try to operate at a lower

impedance, the amplifier will go into PROTECTION MODE and stop operation until you correct the load conditions.

With the LEVEL CONTROLS (19, 20) of both channels set to zero (fully

counterclockwise), turn the POWER SWITCH (12) ON. With the level controls of your MIXER or other INPUT device turned all the way DOWN, turn the amplifier level controls all the way up for desired loudness from your speakers.

present in the amplifier’s output section. If a CLIP LED (17) remains on or flashes repeatedly, reduce the signal level by lowering the input level control for the channel that is clipping or reduce the level at the source.

5. Now adjust your MIXER or other INPUT source to your desired listening level. You also have the choice of keeping the volume of both speakers equal, or for certain situations you can adjust the volume so one side will be louder than the other.

Note, when the CLIP LED (17) light, there is distortion

PARALLEL MONO OPERATION:

Follow these instructions for PARALLEL MONO operation using a single input cable, and you will have the same monophonic signal on both the CHANNEL A and the CHANNEL B outputs. Each channel’ s output is controlled independently by that channel’s level control.

1. With the power off, set the OPERATION MODE SWITCH (8) to the PARALLEL MONO position. When the power is on, the MONO LED (14) on the front panel will light. If the LED does not illuminate, you have the switch in the wrong position. Correct before continuing.

2. With the power off, connect your input cables to the CHANNEL A input only using the either the XLR INPUT JACK (5) or 1/4" INPUT JACK (7) of CHANNEL A. The other CHANNEL A input can be used to link to an additional amplifier.

3. Connect the loudspeakers to the CHANNEL A and CHANNEL B

SPEAKER OUTPUTS (9, 11). THE TOTAL SPEAKER LOAD MUST BE A T LEAST 2 OHMS PER CHANNEL. If you try to operate at a lower

impedance, the amplifier will go into PROTECTION MODE and stop operation until you correct the load conditions.

4. With the LEVEL CONTROLS (19, 20) of both channels set to zero (fully

MONO BRIDGE OPERATION:

Follow these instructions to bridge the unit’s outputs. Bridging the amplifier converts the unit to a monophonic or single channel. The amplifier can be used with 4Ohm or higher loads only in MONO BRIDGE mode. This mode is used to provide a higher voltage with greater headroom to your speaker. Before setting your amplifier for MONO BRIDGE operation, make sure that your speaker can handle the high power level provided by the amplifier in MONO BRIDGE mode.

CAUTION: VOLTAGE OVER 100 VOLTS MAY BE PRODUCED AT THE BRIDGE OUTPUT

TERMINALS IN THIS MODE.

1. With the power off, set the OPERATION MODE SWITCH (8) to the BRIDGE position. When the power is on, the BRIDGE LED (15) on the

front panel will light. If the LED does not illuminate, you have the switch in the wrong position. Correct before continuing.

2. With the power off, connect your input cables to CHANNEL A input only using either the XLR INPUT JACK (5) or 1/4" INPUT JACK (7) of CHANNEL A. The other CHANNEL A input can be used to link to an additional amplifier.

3. Connect the loudspeaker to the BRIDGE SPEAKER OUTPUT (10) only. The total speaker load must be at least 4 Ohms or above. If you try to operate at a lower impedance, the amplifier will go into PROTECTION MODE and stop operation until you correct the load conditions.

4. With the CHANNEL A LEVEL CONTROL (19) set to zero (fully

present in the amplifier’s output section. If a CLIP LED (17) remains on or flashes repeatedly, reduce the signal level by lowering the input level control for CHANNEL A or reduce the level at the source. During MONO BRIDGE operation, the CHANNEL B level is inactive, however, both channels LED will flash simultaneously and show output conditions.

USING THE SIGNAL GROUND LIFT SWITCH:

Depending on your system configuration, sometimes applying the ground will create a quieter signal path. Sometimes lifting the ground can eliminate ground loops and hum to create a quieter signal path.

1. With the power amp on, listen to the system in idle mode (no signal present) with the ground applied (the SIGNAL GROUND LIFT SWITCH (2) in the left position).

2. Then turn the power off before moving the SIGNAL GROUND LIFT

SWITCH (2). Lift the ground by moving the SIGNAL GROUND LIFT SWITCH (2) to the right, turn the power back on and listen to determine

which position will provide a signal devoid of background noise and hum. Keep the SIGNAL GROUND LIFT SWITCH (2) in the ground position if the noise level remains the same in either position.

CAUTION: DO NOT TERMINATE THE AC GROUND ON THE POWER AMPLIFIER IN ANY WAY.

TERMINATION OF THE AC GROUND CAN BE HAZARDOUS.

SPECIFICA TIONS:

Output Power EIA: 1 kHz @ 1% THD Single Channel 8Ω 190 340 Both Channels Driven 8Ω 175 300 Single Channel 4Ω 325 600 Both Channels Driven 4Ω 275 500 Single Channel 2Ω 470 950 Both Channels Driven 2Ω 360 800 Mono Bridge 8Ω 550 1000 Mono Bridge 4Ω 750 1600 Dynamic Headroom: 8Ω 1.3 1.3 4Ω 2.3 2.1

Frequency Response.................................................................20 Hz - 20 kHz

Total Harmonic Distortion...........................................less than 0.01% @ 1 kHz

Intermodulation Distortion.........................................less than 0.02% (SMPTE)

Signal to Noise Ratio.....................................100 dB below rated power @ 8W

Damping Factor (GXA-750)..........................................greater than 500 @ 8W

Damping Factor (GXA-1600)........................................greater than 800 @ 8W

Slew Rate.............................................................................................16 V/mS

Voltage Gain..............................................................................................33 dB

Input Sensitivity (for rated power at 8 Ohm):

Input Impedance Unbalanced............................................................10 kOhms

Input Impedance Balanced................................................................20 kOhms

Power consumption: 550 VA 1000 VA

NOTE: POWER CONSUMPTION IS GIVEN A T RATED POWER AT 8

PER CHANNEL, BOTH CHANNELS DRIVEN.

AC Power Requirement:

(power connection is factory configured)...................120V/ 60 Hz 230V/ 50 Hz

Indicators:........................................1 Power Indicator , 1 Signal LED per channel,

1 Clip LED per channel, 1 Protect LED per channel, 1 Mono LED, 1 Bridge LED

Cooling:........................................2 Speed Dual Fan; Front-to-Rear Forced Air

Protection:......Short Circuit, DC, Thermal Cut-off, Sub/ultrasonic Frequency Filters,

In-rush Current Limiter, T urn-on Delay, main fuse, secondary DC supply fuses

Connectors:

Balanced/Unbalanced Inputs......................................................1/4" TRS Jack

Balanced Inputs.....................................................................XLR Female Jack

Speaker Outputs........................................Speakons (CH.A, CH.B and bridge)

Dimensions.........................................19" x 13.75" x 3.5" (483 x 350 x 89 mm)

Weight”

SPECIFICATIONS AND DESIGN ARE SUBJECT TO CHANGE

WITHOUT NOTICE FOR PURPOSE OF IMPROVEMENT.

GXA-750 GXA-1600

0.82 VRMS 1.1 VRMS

27 lbs 34 lbs

12.34 kg 15.5 kg

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