Pre-amplifier Safety first! • Caution: hot and sharp surfaces! This professional device needs to be installed by qualified personnel only. • Please check the packing for any kind of damage upon reception of the goods. If the packing is damaged, please contact your dealer before opening it.
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PM7400MKII Instruction manual the electrical system ground. • Turn the level controls on the amplifiers all the way down during power-up to prevent speaker damage if there are high signal levels at the inputs. • Do not connect the inputs / outputs of amplifiers or consoles to any other voltage source, such as batteries, mains sources or power supplies, regardless of whether the amplifier or console is turned ON or OFF.
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Pre-amplifier Features • 2 zone stereo mixer, 1 balanced line output and 1 unbalanced line output with individual volume controls • 6 line inputs, 1 balanced (XLR), 5 unbalanced (RCA) • 2 balanced microphone inputs with switchable phantom power • Switchable vox mute on mic 1 with adjustable music mute level •...
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PM7400MKII Instruction manual 2. Mix the microphone signal of mic 1 with the music using the ‘vox’ or ‘voice-over’ circuitry: The Vox/Ext. mute switch must be pressed in, and the mute contact at the back must be open. By setting the mic 1 and vox mute level at the back to an appropriate level, you can create an automatic music muting by talking into mic 1.
Pre-amplifier Front panel 1. Microphone 1 input: balanced jack input. This is the same input as the microphone 1 combo XLR/ jack at the back. This mic has a switchable vox circuit with adjustable music mute level. This way, a spoken message will suppress the music. Alternatively, you can use the priority contacts at the back.
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PM7400MKII Instruction manual switched off by default. Mic 2 will be heard in both output zones. 6. Microphone bass tone control: for better speech intelligibility, turn the microphone bass control down a little. 7. Microphone mid tone control: for better speech intelligibility, turn the microphone mid control up a little if necessary.
Pre-amplifier Rear panel 1. GND connection: connect an additional ground wire here if necessary. 2. Line 1 balanced right channel input on XLR. 3. Line 1 balanced left channel input on XLR. 4. Line 2 unbalanced L/R input on RCA connectors. 5.
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PM7400MKII Instruction manual for microphone 1-2 priority. Do not apply any foreign voltage to these connectors. Connect a potential free contact only! 12. Vox mute level control: turn this control to set the microphone 1 activated vox circuit mute level. This control has no function when the front mute switch is not pressed to the in position.
Pre-amplifier Technical Specifications Inputs line level Balanced stereo inputs on XLR, 5 x unbalanced stereo on RCA Inputs mic level 2 X balanced on jack and combo jack / XLR Input sensitivity line inputs 500 mV Input sensitivity mic inputs 5 mV Input impedance line inputs 10 kΩ...
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PM7400MKII Instruction manual Mains operating voltage 230 VAC / 50-60 Hz Fuse rating 315 mAt / 250 V Dimensions 483 X 44 X 275 mm (without rubber feet) Net weight 2.6 kg...
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developed Audioprof nv Industriepark Brechtsebaan 8 bus 1 2900 Schoten - Belgium Company names, product names and trademarks are property of their respective owners. v-Audio specifications are subject to change without notice.
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