PRO-SERIES POWER AMPLIFIERS Item ref: 172.031UK, 172.032UK, 172.034UK, 172.
Caution: Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty Introduction Thank you for choosing the QTX PRO series power amplifiers as part of your sound reinforcement system. These amplifiers are designed to offer high quality, dependable service for mobile and installed systems. Please read this manual fully and follow the instructions to achieve the best results with your new purchase and to avoid damage through misuse.
Layout 1. 2. 3. 4. 5. 6. 7. 8. Cooling vents – do not cover LED VU meters Left (L) channel gain control Power on/off switch Right (R) channel gain control IEC mains inlet and fuse holder Voltage selector Right (R) channel speaker output (SPK) 9. 10. 11. 12. 13. 14. 15. Right (R) channel speaker output (4mm posts) L+R speaker outputs (6.3mm jack) Right (R) channel speaker output (4mm posts) Right (R) channel speaker output (SPK) L+R line inputs (6.
Specifications Power supply Fuse rating Power max: 4Ω Power rms: 4Ω Power rms: 8Ω Freq.response Input connectors Input sensitivity Min. impedance Speaker outputs S/N ratio THD Dimensions Weight PRO240 PRO480 PRO600 230Vac, 50Hz T2A/T4A (240V/110V) T5A (240V) / T10A (110V) 2 x 120W 2 x 240W 2 x 300W 2 x 60W 2 x 120W 2 x 150W 2 x 40W 2 x 80W 2 x 100W 20Hz - 20kHz 2 x RCA / 2 x 6.3mm jack 775mV, 10k ohms 4Ω SPK connectors / 6.3mm jacks / 4mm Binding Posts >98dB <0.
