Hafler GX2300CE, GX2600CE manual Design Features, Biamp Stereo

Page 13

Design Features

70V

 

 

 

100v 4

 

 

 

 

8

2

 

CH A

 

Load

 

 

Power

2300

 

 

 

 

70V

 

 

 

100v 4

 

 

 

 

8

2

 

CH B

 

1

9

2

3

 

 

 

 

 

12

 

 

 

 

 

 

 

-18

-15

-12

 

 

 

-21

 

-9

 

 

 

-24

 

-6

 

 

 

-27

 

-3

 

Channel A

 

-32

 

 

 

 

-38

 

 

 

 

 

OFF

0dB

signal

protect

Stereo Mono

 

 

 

70V

 

 

 

 

 

 

 

 

 

 

100V

 

 

 

 

 

-18

-15

-12

clip

thermal

-21

 

-9

 

 

 

-24

 

-6

 

 

 

-27

 

-3

 

Channel b

 

-32

 

 

 

 

-38

 

 

 

 

 

OFF

0dB

4

7

8

 

 

HP

 

180˚

Delay

 

 

Crossover LP

 

 

 

 

must

 

 

 

Full

 

 

 

CD EQ +0

2

6

Phase choose

300W

 

 

 

one

 

2– 8

 

 

 

 

 

0”-

only

 

 

 

 

+10 dB

 

 

6”-

Audio GND

 

 

Freq

500Hz –

 

12”-

 

 

 

18”-

Chassis Float

 

 

 

800Hz –

 

24”-

 

 

+

CH A

 

 

 

 

30”-

 

BIAMP STEREO

 

 

ON

 

IN

 

 

 

 

 

HP

 

180˚

 

 

 

 

Crossover LP

 

 

+

+

 

 

Full

 

Phase

 

 

CD EQ +0 2

6

 

Delay

 

 

+10 dB

 

 

0”-

 

 

 

Freq

 

 

 

6”-

must

 

 

 

500Hz –

 

12”-

choose

 

 

 

 

 

 

18”-

one

 

 

 

800Hz –

 

24”-

 

 

 

 

 

 

30”-

only

600W

 

 

 

 

 

 

 

300W

CH B

 

 

 

 

ON

4– 16

2– 8

IN

(Mono)

 

 

 

Mono,70V,100V

 

 

 

 

 

 

 

 

Class 2 wiring

 

For 70V, 100V, or Mono

Use CH B input

Load across RED terminals

Set load switches to one half load impedance

Attention: Utiliser un fusible de rechange de même type.

CAUTION: For continued protection from risk of fire, replace only with same type and rating of fuse.

 

A Division of

 

Rockford Corp.

®

Tempe, AZ 85281

GX 2 3 0 0 Made in the U.S.A.

300 W Stereo, 2– 8

600W Mono, 70V,100V

250W

250V T7A 115V~

50-60Hz

 

5

15

6

 

10

 

 

11

13

14

16

1. Recessed Front Panel - Prevents switches and controls from acci-

10. Output Binding Posts - Connects the speaker array to the ampli-

dentally being adjusted or broken.

 

 

 

 

fier. These jacks allow bare wire, spade lugs or dual banana

2. Power Switch - Turns the amplifier ON and OFF

 

 

plugs to be connected to the amplifier.

 

 

 

 

 

 

3. Power LEDs - Verifies that the amplifier channel is ON

 

11. Internal Fans - internal fans keep the amplifier circuitry cool.

 

Allow a minimum of 3" clearance on the front and back of the

4. Status LEDs - Displays the status of the amplifier. The LEDs are as

amplifier vents for adequate ventilation.

 

follows: SIGNAL indicates if signal is present; CLIP illuminates if

 

12. Chassis/Float ground switch - Isolates Audio GND and helps

the amplifier is being overdriven; PROTECT illuminates if the

eliminate noise in the signal chain. With the switch in “Chassis”

amplifier is experiencing a “short” in the speaker array; THER-

position, the Audio GND is connected to chassis ground. In the

MAL illuminates if the amplifier has shut down due an overheat-

“Float” position, the Audio GND is isolated (floating) from the

ing condition.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

chassis.The chassis is permanently connected to earth (safety)

5. Female XLR & 1/4" TRS Input Jacks - Feeds input signal to the

ground.

 

 

amplifier using industry standard male XLR or 1/4" TRS

 

 

 

 

 

(tip/ring/sleeve) plugs.

 

 

 

 

 

13. Mains Power Fuse - Protects the “mains” electrical circuit in

6. Crossover/Delay/Phase/CD EQ - Each channel is

 

 

case abnormal current draw from the amplifier is experienced.

configurable for typical 2-way speaker systems.

 

 

14. Mains Power Connector - Connects AC Voltage to the amplifi-

7. Stereo/Mono Switch - This dual purpose switch is used to select

er. The power connector is safety approved IEC type 320. The

the operating mode of the amplifier. In Stereo mode the amplifi-

earth (safety) ground pin of the power connector is permanent-

er can be configured for standard 2-channel stereo operation. In

ly connected to the chassis. This

connection

is capable of

Mono mode the amplifier can be configured for Standard Bridge

shunting in excess of 30A of fault current.

 

mono, 70V mono or 100V mono operation. Turn amplifier off

 

 

 

 

before operating this switch.

 

 

 

 

 

15. Stereo/Biamp Switch - This dual purpose switch selects either

8. Level Controls - Adjusts the gain of the amplifier.

 

 

standard 2-channel stereo mode or 1-channel in, 2 channels

 

 

out Biamp mode. Turn amplifier

off before

operating this

9. Load Switch - Selects the speaker impedance or transformer voltage

switch.

 

 

that will be connected the output binding posts. In Standard Mode

 

 

 

 

 

the

amplifier

can

drive

2,

4

or

8

16. Removable Rear Panel - 8 screws can be removed to service

speaker loads. In Constant Voltage Mode the amplifier can drive an

fans and internal components without unracking the amplifier.

array of speakers using 70V or 100V transformers.

 

 

 

 

 

– 11 –

Image 13
Contents Page Page Table of Contents Declaration of Conformity U T I O N L I G R O H T U N G T E N T I O N Notare Importanti Informazioni Sulla Sicurezza GX2300 GX2600 SpecificationsWHY a NEW Amplifier TOPOLOGY? Technical Design FeaturesIntroduction Universal Line Voltage Input What Else Distinguishes These AMPLIFIERS?Protection Circuits Biamp Stereo Design FeaturesPOWER/THERMAL Requirements InstallationCooling NoisePower Switch Audio Ground CHASSIS/FLOAT SwitchOutput Input OperationEarth Grounded Source Equipment Floated equipment Floated Source EquipmentPhase DelayCD Horn Equalization CrossoverSTEREO/MONO 70V 100V Switch STEREO/BIAMP SwitchLevel Controls ProtectSignal Load SwitchThermal ClippingStereo Mode GX2300/GX2600 Wiring Diagrams2300 Bridge Mono Mode GX2300/GX260070V Stereo Mode GX2600 only 100V Mono Mode GX2300/GX2600What is Covered Service Policy and Limited WarrantyLayouts Crossover CD EQ EMI FilterTime DELAY/PHASE Inverter Bridge Rectifier Schematic DiagramsPC-2460-e.sch-1 Crossover CD EQ Time DELAY/PHASE Inverter Amplifier C600maualB.sch-1 Protection C600maualB.sch-2 High Voltage Control Page Housekeeping Control C600maualB.sch-6 Input C600maualB.sch-8 Power C600maualB.sch-5 MAN-2987-A 6/00 MJT

GX2600CE, GX2300, GX2600, GX2300CE specifications

The Hafler GX series amplifiers, including the GX2300CE, GX2600, GX2300, and GX2600CE, represent a sophisticated blend of power and precision in audio amplification technology. Designed for both professional and home audio use, these amplifiers deliver high-quality sound reproduction while maintaining reliability and durability.

The GX2300CE and GX2600 are particularly noted for their robust power output. The GX2300CE can produce an impressive output of 125 watts per channel into 8 ohms, making it suitable for driving a wide range of speakers with ease. The GX2600 pushes this power even further, targeting serious audiophiles who demand more dynamics and headroom from their audio systems. With a 220 watts per channel output at 8 ohms, it is built to handle even the most demanding acoustic environments.

One of the standout features of these amplifiers is their use of Hafler's proprietary "Current Feedback" technology. This innovative design allows for greater bandwidth and reduced distortion, ensuring that the audio signal remains true to the original source. The result is a clear, transparent sound that enhances the listening experience. Alongside this technology, the amplifiers come equipped with multiple input options, including XLR and RCA inputs, providing flexibility for various audio sources.

In terms of build quality, the GX series showcases Hafler’s commitment to durability and aesthetics. The rugged chassis is designed not only to withstand the rigors of both studio and stage environments but also to minimize resonance and external vibrations. The front panel is user-friendly, with easily accessible controls for volume and input selection, enhancing convenience in any audio setup.

The GX2300 and GX2600 also feature advanced thermal protection circuitry, preventing overheating and ensuring long-term reliability. This feature is particularly beneficial for extended playback sessions or in high-demand situations when the amplifiers are pushed to their limits.

In conclusion, the Hafler GX2300CE, GX2600, GX2300, and GX2600CE amplifiers are engineered to provide exceptional audio clarity, robust power, and advanced technology. Whether used in a professional studio or a home theater system, these amplifiers stand out for their performance and adaptability, making them a favored choice among audio enthusiasts and professionals alike.