APART MA240 Instruction Manual
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APART MA240 Instruction Manual

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MA120 - MA240
Instruction manual

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  • Page 1 MA120 - MA240 Instruction manual...
  • Page 3 MA120 - MA240 Instruction manual MA120 - MA240 manual...
  • Page 4 Mixing amplifiers...
  • Page 5 MA120 - MA240 Instruction manual • Do not connect the inputs / outputs of amplifiers or consoles to any other voltage source, such as a battery, mains source, or power supply, regardless of whether the amplifier or console is turned on or off.
  • Page 6 Introduction “Setting a new industry standard” When we, at Apart, look at mixing amplifiers today it seems like the complete pro audio industry slumbered. Stuck into old habits, the overall look and feel remains a hassle for both users and installers worldwide.
  • Page 7 / 4 ohm output connectivity. • Output power - MA120: 1 x 120 W @ 70 V / 100 V / 4 ohm. - MA240: 1 x 240 W @ 70 V / 100 V / 4 ohm. • High thermal efficiency. •...
  • Page 8 Mixing amplifiers Connections Emergency input: connect your balanced 0 dBV line level emergency input to the euroblock connector. If available, connect the emergency contact to the “mute all” connection. The contact must be “potential free”, i.e. a relay or switch contact that does not carry any voltage. Alternatively, activate the “vox”...
  • Page 9 MA120 - MA240 Instruction manual MIC A input: connect a microphone here: the euroblock accepts balanced microphone or line level signals and RCA. Set the mic/line switch accordingly. Phantom power (48 V) can be applied to the balanced euroblock by pushing the phantom power switch. The led beneath the switch will be lit when phantom power is present.
  • Page 10 Mixing amplifiers Input 4: line level input on RCA connectors. Adjust the gain control so that the clip led does not light up when the signal is at its highest level. Input 1-4 eq: lo and hi controls for line inputs 1-4. Auto standby: set the switch to “enabled”...
  • Page 11 - MA120: T 2 A L / 250 V. - MA240: T 3.15 A L / 250 V. For qualified personnel only! Before using the amplifier for the first time, check the total impedance of your speaker lines using an impedance meter: temporarily disconnect the speaker line from the amplifier and measure the speaker line.
  • Page 12 Mixing amplifiers Operation 1. On / Standby button and led: switch the standby ON / OFF with this button. Please note that the main power switch at the rear of the unit (14) must be switched on. Read more about standby below.
  • Page 13 MA120 - MA240 Instruction manual 7. Status leds: Protect led lights up when an overload of the amplifier occurs. The amplifier will be muted until the condition is normal again. Emergency led will light up to indicate that an emergency message is coming through. The paging led lights up when the paging contact is closed.
  • Page 14 Mixing amplifiers The unit will wake up from manual standby by any of the following: • Pressing the standby / power button. • Activating the emergency input by the emergency vox or the emergency mute all. • Cycling the power using the rear power switch (or a mains power interruption).
  • Page 15 MA120 - MA240 Instruction manual Practical example Connecting the speakers Example: 100 volt speaker line. Connect the speaker line wires as shown. The 4 ohm and 70 volt connectors are not used. Connect the common or speaker line ground wire to the COM connector.
  • Page 16 Mixing amplifiers Practical example Connecting and setting up a paging microphone 1. Connect the microphone wire as shown in the picture. The + - GND is used for the balanced signal of the microphone. The paging contact closure is indicated in the picture. mic signal paging contact...
  • Page 17 MA120 - MA240 Instruction manual 4. While speaking in the microphone as loud as possible, turn the gain control slowly clockwise until the clip led lights up at the highest peaks. Now turn the control back a little. Open the volume control until the paging message sounds as loud as desired.
  • Page 18 Mixing amplifiers 6. Turn the chime potmeter about halfway, push the “test” button to hear the chime and adjust the chime volume as desired using the chime potmeter. Note: the paging mic and chime levels are independent from the position of the big volume control on the front of the unit. The paging contacts must be potential free, i.e.
  • Page 19 MA120 - MA240 Instruction manual Practical example Connecting a line source (tuner, CD player, ...) to input 1 1. Connect the output of the line source to the cinch connectors of input. 2. While the line source is playing, turn the gain...

  • Page 20: Warranty Info

    Apart Audio. The warranty only concerns the spare parts and not the involved labor, transportation or any other costs. The product must be returned in the original packaging with the proof of purchase by an Apart-Audio authorized reseller.

  • Page 21: Technical Specifications

    MA120 - MA240 Instruction manual Technical specifications Product name MA120 MA240 Emergency input Nominal input sensitivity 0 dBV (1 Vrms) THD+N @ -6dB (pre-out) < 0.5% Frequency response (-3dB) 45 Hz – 20 kHz Input impedance 5 kohms Paging mic Nominal input sensitivity bal.
  • Page 22 Mixing amplifiers Product name MA120 MA240 Input 1-4 Nominal input sensitivity unbal. line -12 dBV (250 mVrms) (gain max) THD+N @ -6dB (pre-out) < 0.1% Frequency response (-3 dB) 20 Hz – 20 kHz LO EQ +-10 dB @ 100 Hz...
  • Page 24 Apart Audio nv Industriepark Brechtsebaan 8 bus 1 2900 Schoten - Belgium Company names, product names and trademarks are property of their respective owners. Apart-Audio specifications are subject to change without notice.

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Ma120

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