Toa A-912MK2 Manual do Utilizador

900 series MIXER POWER AMPLIFIERSA-903MK2A-906MK2A-912MK2900 SERIESAMPLIFIER A – 903MK2TONE DEFEATOFFONLOW CUTOFF ONSIGNALNORMALPROTECTONOFFPEAKPOWE

106.2.2. A-903MK2: Speaker connection to unbalanced DIRECT outputDIRECT4Ω 8Ω70V25VCOM8 Ω1, 3Impedance selector switch2[Impedance selector switch setti

116.2.4. A-906MK2 and A-912MK2: Speaker connection to unbalanced DIRECT outputDIRECT4Ω 8Ω70V25VCOM4 Ω1, 3Impedance selector switch2REMTVOLMUTE1MUTE2GN

127. RACK MOUNTING BRACKET ATTACHMENTThe unit can be mounted in a standard 19" equipment rack using the optional MB-25B Rack mountingbracket.Note

13Master volume control knobVolume control cover YA-920(accessory)9. VOLUME CONTROL COVERTo prevent the accidental change of the settings of the Input

SIGNAL NORMALPROTECTPEAKPOWERONOFFMASTERINPUT 8INPUT 7INPUT 6INPUT 5INPUT 4INPUT 3INPUT 2INPUT 1TREBLE TONE DEFEATOFF ONBASS LOW CUTOFF ONINPUT 8 INPU

1511. SPECIFICATIONSNotes• The design and specifications are subject to change without notice for improvement. • (D): Direct output, (T): Transformer

133-02-00085-00URL: http://www.toa.jp/Notes• The design and specifications are subject to change without notice for improvement. • (D): Direct output

21. IMPORTANT SAFETY INSTRUCTIONS • Read these instructions.• Keep these instructions.• Heed all warnings.• Follow all instructions.• Do not use this

32. SAFETY PRECAUTIONS• Before installation or use, be sure to carefully read all the instructions in this section for correct and safeoperation.• Be

4When Installing the Unit• Never plug in nor remove the power supply plug with wet hands, as doing so may cause electric shock.• When unplugging the p

53. GENERAL DESCRIPTION TOA's A-903MK2, A-906MK2, and A-912MK2 Mixer Power Amplifiers feature 8 input slots that permit the useof various optiona

AUXOUTPREAMPINPREAMPOUTREMTVOLMUTE1MUTE2BRGIN/OUT70V25VCOMDIRECT4Ω 8ΩAUXOUTPREAMPINPREAMPOUTREMTVOLMUTE1MUTE2BRGIN/OUT70V25VCOMDIRECT4Ω 8Ω13 14 151718

7[Front] 1. Power switch [ ON / OFF]Power is switched on and off with eachdepression of this switch.2. Power indicator [POWER] (Green)Lights green whe

86. INSTALLATION AND CONNECTIONS6.1. Module InstallationEight input ports for plug-in modules are provided. Select the desired modules depending on ap

9DIRECT4Ω 8Ω70V25VCOM4 Ω25 V line (21 Ω)70 V line (167 Ω)Impedance selector switch1, 326.2. Speaker ConnectionsThe unit has 25 V and 70 V outputs for