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172.020UK/172.025UK User Manual
QA400/QA100
QA SERIES POWER AMPLIFIER
Item ref: 172.020UK/172.025UK
User Manual
19” Rackmount (2U)
High power output
Combo XLR/6.3mm jack and RCA inputs
Speaker, 6.3mm jack and binding-post outputs
Fan cooled
Output circuit overload protection
Mains powered via IEC connector
Specification:
Output Max per channel @ 4Ω
Output RMS per channel @ 4Ω
Output Max per channel @ 8Ω
Output RMS per channel @ 8Ω
Thank you for purchasing this QTX Sound QA-series power amplifier.
This product is intended to give long term, reliable service in normal usage.
Please read these instructions before use to avoid incorrect operation and outline the functions and controls.
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172.020UK/172.025UK User Manual
Front panel:
(1) VENTILATION GRILLE - Do not cover or restrict airflow
(2) CHANNEL A+B LEVEL - Attenuate output levels
(3) INDICATOR LEDS - Show signal present, clipping or protect mode
(4) POWER SWITCH - Switches mains power on/off
Rear panel:
(5) COOLING FAN - Do not cover or restrict airflow
(6) IEC MAINS INLET - Check voltage and connect to mains with supplied lead
(7) MAINS FUSE - to replace fuse, disconnect mains & open with screwdriver
(8) OUTPUT SECTION – Connect speakers using speaker sockets, jack or binding posts
(9) INPUT SECTION – Connect mixer or other audio source via combo XLR/jack or RCA L+R