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JDM

4 Zone Public Address Amplifiers

SPECIFICATIONS

A 4320 Power: ........................................................60 watts RMS

A 4322 Power: ......................................................120 watts RMS

Distortion: ................................................................< 1% @ 1kHz

Signal to Noise Ratio....................................Line: >70dB Mic: >60dB

Frequency Response..........................................80Hz - 15kHz, ±3dB

Mic input sensitivity:................................................3mV balanced

Line inputs sensitivity: ........................................................300mV

Phono input sensitivity: ......................................................2.4mV

Telephone input ..................................................................245mV

Bass: ..................................................................±10dB @ 100Hz

Treble: ................................................................±10dB @ 10kHz

A 4320 Standby current (DC operation): ..............................0.42A

A 4322 Standby current (DC operation): ..............................0.38A

Power supply: ................................................240V AC or 24V DC

Dimensions: ........................................≈420W x 320D x 110H mm

A 4320 weight: ....................................................................10.5kg

A 4322 weight: ....................................................................12.5kg

Fig 5:

Block circuit diagram.

Содержание A 4320

Страница 1: ...JDM 4 Zone Public Address Amplifiers 1 Professional Four Zone Desktop Mixing Amplifiers A 4320 60W A 4322 120W Operating Instructions Revision 02 10 12...

Страница 2: ...sor 24V EMERGENCY OPERATION The unit will operate from 24V batteries for use in emergency applications Screw terminals provided on the rear AMP SECTION Automatic variable speed fan Over current protec...

Страница 3: ...tone chime circuity This is a 4 tone ascending BONG BONG BONG BONG sound 10 SIREN Pressing these switches will activate the siren tones Two sound patterns are offered depending on which button is pres...

Страница 4: ...icrophone input sensitivity and impedance is 3mV 600 ohm Line input is 300mV 50k ohms The XLR sockets of channels 2 and 3 have been designed for Mic or Line input Use the switch beside the XLR socket...

Страница 5: ...JDM 4 Zone Public Address Amplifiers 5 Fig 3a b c Connect speakers as per these diagrams Ensure power is off before connecting or disconnecting speakers Fig 3a Fig 3b Fig 3c...

Страница 6: ...JDM 4 Zone Public Address Amplifiers 6 TELEPHONE PABX UNIT TELEPHONE PAGING INPUT MUSIC ON HOLD SPEAKERS SPEAKERS SPEAKERS BALANCED INPUT SOURCE AUX INPUT SOURCE EG CD PLAYER Fig 4 Connection Guide...

Страница 7: ...80Hz 15kHz 3dB Mic input sensitivity 3mV balanced Line inputs sensitivity 300mV Phono input sensitivity 2 4mV Telephone input 245mV Bass 10dB 100Hz Treble 10dB 10kHz A 4320 Standby current DC operati...

Страница 8: ...nd for a major failure and for compensation for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quali...