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BLOCK  DIAGRAM

6

1+

HF

LF

T

OP

THRU SUB

CROSSOVER

CH 1

INPUT

ON

OFF

HI P

ASS FIL

TER

(45 Hz)

45Hz

150Hz

150Hz

HF

LF

CH 2

ON

OFF

HI P

ASS FIL

TER

(45 Hz)

150Hz

150Hz

MONO

STEREO BRIDGE

MODE

Power

amplifier

Limiter

Power

amplifier

Limiter

45Hz

1+

2+

2+

SPEAKER

OUTPUT

THRU

INPUT

THR

U

T

OP

THRU SUB

CROSSOVER

LEVEL

LEVEL

1+

HF

LF

T

OP

THRU SUB

CROSSOVER

CH 

3

INPUT

ON

OFF

HI P

ASS FIL

TER

(45 Hz)

45Hz

150Hz

150Hz

HF

LF

CH 

4

ON

OFF

HI P

ASS FIL

TER

(45 Hz)

150Hz

150Hz

MONO

STEREO BRIDGE

MODE

Power

amplifier

Limiter

Power

amplifier

Limiter

45Hz

1+

2+

2+

THR

U

INPUT

THRU

T

OP

THRU SUB

CROSSOVER

LEVEL

LEVEL

Ch1, Ch2,

Bridge Ch1-Ch2

SPEAKER

OUTPUT

Ch2

SPEAKER

OUTPUT

Ch3, Ch4,

Bridge Ch3-Ch4

SPEAKER

OUTPUT

Ch4

Содержание DF -series

Страница 1: ...Owner s Manual DF series PROFESSIONAL FOUR CHANNEL CLASS D POWER AMPLIFIER DF2804 MKII R...

Страница 2: ...ACCESSORIES 1 Power Cord 1pc 2 Owner s Manual 1pc 3 Warranty 1pc...

Страница 3: ...onnected to the unit in operation CAUTION The high sound pressure level of speaker systems generated by high output power delivered by the amplifier may be hazardous to your hearing Please take adequa...

Страница 4: ...s of channels bridged To ensure the most advantageous and faultless operation of the amplifier please read this Manual before use UNPACKING The manufacturer s quality control system provides for caref...

Страница 5: ...erference with long input connecting cables Line Outputs The amplifier line outputs are parallel to the inputs each along the respective channel and provide for parallel connection of several amplifie...

Страница 6: ...full range signal is selected individually for each channel with a slide switch The crossover frequency point is factory preset generally to 125Hz However it can be changed by replacing the crossover...

Страница 7: ...ical signals of powerful high frequency spectrum Thermal Protection The continuous operation support protection system is common for four channels When the heat sink becomes heated over 50 the fan goe...

Страница 8: ...SPEAKER OUTPUT THRU INPUT THRU TOP THRU SUB CROSSOVER LEVEL LEVEL 1 HF LF TOP THRU SUB CROSSOVER CH 3 INPUT ON OFF HI PASS FILTER 45 Hz 45Hz 150Hz 150Hz HF LF CH 4 ON OFF HI PASS FILTER 45 Hz 150Hz 15...

Страница 9: ...rload condition causing distortion activation of thermal protection system which disables the respective channel the SIGNALLED goes off See Thermal Protection SIGNAL LEDs indicating output signal on C...

Страница 10: ...hes for channels 4 3 2 and 1 respectively to select the required frequency band TOP higher frequency signal component SUB lower frequency signal component THRU Full Range Switches for channels 1 3 are...

Страница 11: ...tor is interlinked with channel 2 output while channel 3 output connector with channel 4 output thus making it possible to use a single NL4FC connector wired accordingly to connect channel 1 and 2 lou...

Страница 12: ...hazard Since the power applied to the loudspeaker is of primary concern in system design we have included the table below to allow you determine the appropriate wire gauge for your application Power L...

Страница 13: ...use SpeakON NL4FC See the wiring on the figures below CAUTION Never attempt to jumper or otherwise link up any pins of output connectors 2 1 3 2 1 3 1 1 1 2 1 2 1 2 1 2 1 2 1 2 XLR male XLR female Co...

Страница 14: ...which supplies 230VAC 50 60Hz In the event of line voltage sag the unit will continue to operate normally albeit with less power The mains lower voltage limit for the amplifier to retain its operabili...

Страница 15: ...ver attempt to jumper or otherwise link up any pins of SpeakON output connectors TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE DO NOT REMOVE COVER NO US...

Страница 16: ...jumper or otherwise link up any pins of SpeakON output connectors 14 TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE DO NOT REMOVE COVER NO USER SERVICEA...

Страница 17: ...rated impedance should be at least 8Ohm Never attempt to jumper or otherwise link up any pins of SpeakON output connectors TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO...

Страница 18: ...Note Any pair of channels 1 2 or 3 4 can be operated in the bridge mode or individual mode if properly connected and set up The loudspeaker rated impedance should be at least 4Ohm for individual conn...

Страница 19: ...ter Note Any pair of channels 1 2 or 3 4 can be operated in the bridge mode or individual mode if properly connected and set up The loudspeaker rated impedance should be at least 4Ohm for individual c...

Страница 20: ...temperature has exceeded 65 thus activating the thermal protection system Sound Distortion Only SIGNALLED is ON applied input signal is distorted before it gets to the amplifier loudspeakers are dama...

Страница 21: ...1kHz Signal to Noise Ratio 98dB unweighted Input Impedance 10kOhm balanced Sensitivity 0 775V Crossover Frequency 125Hz basic model High pass Filter Cutoff Frequency 45Hz High Pass Filter Slope Rate...

Страница 22: ...445 max 482 466 76 88 96 38 324 362 DIMENSIONS 20...

Страница 23: ...PARK AUDIO II Ltd Vinnytsia Ukraine www parkaudio ua e mail park parkaudio ua R...

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