QSC CMX800V User Manual

User ManualCMX 300VCMX 500VCMX 800VCMX Series*TD-000322-00*TD-000322-00-B

910Bridge Mono ModeThis mode combines the full power capabilities of both channels into a single speaker system. The amplifier internally re-configures

910SpecificationsCMX300VCMX500VCMX800VStereo Mode (Both Channels Driven) 70 Volt - - 400 W100 Volt - - -Bridge Mono Mode70 Volt 600 W 1200 W 2000 W1

1112InstallationRack mounting of the amplifier is optional.Use four screws and washers when mounting the amplifier to the front rack rails.Support the a

1112ConnectionsInputsEach channel has active balanced XLR and ¼" (6.3 mm) inputs wired in parallel (Figure 22). The input impedance is 20 kΩ bala

1314Speakon™ OutputsCMX amplifiers offer a choice of output connections, with two Neutrik NL4MD Speakon™ jacks and a Terminal Block connector.The Speak

1314Terminal Block ConnectorThe terminal block connector requires the following assembly.1. Strip the wires to 7 ~ 8 mm.2. Insert the wires into the

1516Operation AC Power SwitchBefore applying power, check all connections and turn the attenuation controls fully counter clockwise to maximum attenua

1516Fan coolingThe fan speed varies automatically to maintain safe internal temperatures. Keep the front and rear vents clear to allow full air flow. H

1718Indication: CLIP LED flashingIf the red CLIP indicator flashes when signal is applied, the amplifier output may be shorted. Check the speaker wiring

1718CMX 300V CMX 500V CMX 800VStereo Mode (both channels driven)8Ω / FTC 20 Hz - 20 kHz / 0.1% THD8Ω / EIA 1 KHZ / 0.1% THD4Ω / FTC 20 HZ - 20 KHZ / 0

12IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLSWARNING! The lightning flash with the arrowhead symbol within an equilateral triangle is inte

Mailing Address:QSC Audio Products, LLC1675 MacArthur BoulevardCosta Mesa, CA 92626-1468 USATelephone Numbers:Main Number: (714) 754-6175Sales & M

12Warranty (USA only; other countries, see your dealer or distributor)DisclaimerQSC Audio Products, LLC is not liable for any damage to amplifiers, or

34IntroductionThese rugged, fan-cooled, 2-channel, 2RU amplifiers provide high-value performance and power in a strong, compact chassis. The series com

34Back Panel 1. Barrier strip input2. XLR inputs, Channels 1 and 23. Configuration dip switches4. TRS inputs, Channels 1 & 25. Fan 6. Speakon

56Input Filter What it isThe low-frequency (LF) filter rolls off signals below either 30 Hz or 50 Hz (Figure 6 and 7). This improves bass performance b

56Parallel Input Mode What it isThe Parallel Input switches let you operate the amplifier in Parallel mode, delivering the same signal to both channels

78Bridge Mono ModeWhat it isBridge Mono mode combines the power of both amp channels into one speaker, resulting in twice the voltage swing, four time

78The Difference Between ModesStereo ModeStereo mode is the typical way of using the amplifier. Each channel is fully independent. Separate signals con