Download
Share
Print this page
Montarbo 783 Instruction Manual
  1. Manuals
  2. Brands
  3. Montarbo Manuals
  4. Music Mixer
  5. 783
  6. Instruction manual

Montarbo 783 Instruction Manual

Hide thumbs

Advertisement

Quick Links

Download this manual

Advertisement

loading
Need help?

Need help?

Do you have a question about the 783 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Montarbo 783

Summary of Contents for Montarbo 783

  • Page 2 5.2 Technical specifications Maintenance and servicing must be carried out the official Montarbo Distributor in your State or by qualified personnel specifically authorized by the distributor. - Before placing the product on a surface of any kind, always make sure that its shape and load rating will safely match the product's size and weight.
  • Page 3 This will avoid switching noises that may cause damages to loudspeakers. If service is needed, refer to qualified service Always use quality cables and connectors. personnel only or to the Montarbo distributor in your country. 783 / 784 professional audio mixing systems...
  • Page 4 (784) mono or stereo 4-channel input modules, which from 24 to 48 input channels in the 783 frame and from 32 can be combined as required. to 64 input channels in the 784 frame.
  • Page 5 Input section (2.2.1) Equalizer section (2.2.4) Auxiliary sends (2.2.5) Master and submaster sends (2.2.6) PFL switch (2.2.7) Channel on/off switch (2.2.8) Peak led indicator (2.2.9) PEAK PEAK PEAK PEAK Channel fader (2.2.10) 783-I4M 783 / 784 professional audio mixing systems...
  • Page 6 'rumble' due to stage noise pickup. The effect is generally The signal is post eq and post fader. inaudible with most signal sources, and we recommend to use the filter whenever possible. 783 / 784 professional audio mixing systems...
  • Page 7 This may effect. be very useful in studio applications. 783 / 784 professional audio mixing systems...
  • Page 8 [7]. Consider that a badly adjusted equalizer, even if excluded by the EQ switch [10], will light the PEAK LED without introducing any audible distortion; c) check if an external device connected to the INSERT socket [8] is increasing the signal level. 783 / 784 professional audio mixing systems...
  • Page 9 The signal is post- Avoid connecting miciphones to the line inputs eq and post-fader. (the resulting signal will be of low level and quality). Inserting a mono jack this input becomes automatically unbalanced. 783 / 784 professional audio mixing systems...
  • Page 10 MONO MONO MONO Equalizer section (2.3.2) Auxiliary sends (2.3.3) Master and submaster sends (2.3.4) PFL switch (2.3.5) Channel on/off switch (2.3.6) PEAK PEAK PEAK PEAK Peak led indicator (2.3.7) Channel fader (2.3.8) 783-I4S 783 / 784 professional audio mixing systems...
  • Page 11 This is very useful to reduce the "bass boom" due to close use of directional microphones, and low frequency "spill" and "rumble" due to stage noise pickup. The effect is generally inaudible with most signal sources, and we recommend to use the filter whenever possible. 783 / 784 professional audio mixing systems...
  • Page 12 1 and 2 outputs. The signal is post eq and post fade, so that any change in the channel level in the main mix will result in a proportional change in the level of the corresponding effects, maintaining constant the ratio of direct signal and effect. 783 / 784 professional audio mixing systems...
  • Page 13 [8]. generally best suited to optimize the mixer dynamic range. Consider that a badly adjusted equalizer, but excluded by the EQ switch [9], will light the PEAK LED without introducing any audible distortion. 783 / 784 professional audio mixing systems...
  • Page 14 2 = hot pin cold pin 3 = cold pin use the MICRO inputs for connection of PLEASE NOTE ! microphones or any signal sources below +10dB Inserting a mono jack this input becomes automatically unbalanced. 783 / 784 professional audio mixing systems...
  • Page 15 STEREO DIGITAL EFFECTS PROCESSOR EFF. 1 TONE TONE flat flat EFF. 2 E1/E2 LOAD PROGRAM SELECT PEAK PEAK STEREO DIGITAL EFFECTS PROCESSOR INPUT LEVEL INPUT LEVEL TONE TONE PEAK PEAK flat flat 783-DP2 783-DP2 783 / 784 professional audio mixing systems...
  • Page 16 7 / 8 / 9 / 10 A-B-C-D: these pots adjust the effect send to the four auxiliary (monitor) outputs. These sends are PRE FADE (the signal is independent from the module volume [18] setting. 783 / 784 professional audio mixing systems...
  • Page 17 E1 and E2 controls on the input channels you wish to add 030 HALO It’s a digital recreation of the effect built in effects to. the Montarbo reverb units of the sixties, a vintage classic that never Carefully inspect the input levels on the LED bargraphs of went out of fashion.
  • Page 18 TAPE talk to STEREO STEREO RETURN RETURN TAPE External effcts send / return ROOM section (2.5.1) PFL ON Master section (2.5.4) MONO PHONES GROUP MASTER PEAK PEAK Submaster section (2.5.3) 783-O4G 783 / 784 professional audio mixing systems...
  • Page 19 0dB (or the higher available). As a general rule, we suggest to adjust the GAIN control at the maximum level allowed by the 'peak' led [17] intervention. GAIN GAIN 783 / 784 professional audio mixing systems...
  • Page 20 EFFECTS RETURN section may be used to connect to the mixer any external stereo or mono source, (e.g. a tape recorder or a synthesizer, that does not need effects sends) 783 / 784 professional audio mixing systems...
  • Page 21 EFF. SEND GAIN GAIN LINE Montarbo Montarbo TALKBACK IN 1 LINE IN 2 talk to TAPE talk to STEREO STEREO RETURN RETURN TAPE ROOM PFL ON MONO PHONES GROUP MASTER PEAK PEAK 783-O4G 783 / 784 professional audio mixing systems...
  • Page 22 GAIN GAIN Montarbo LINE TALKBACK IN 1 7 8 3 LINE IN 2 talk to TAPE talk to STEREO STEREO RETURN RETURN TAPE ROOM PFL ON MONO PHONES PEAK PEAK GROUP MASTER 783-O4G 783 / 784 professional audio mixing systems...
  • Page 23 DC SOCKET: connect here the cable from the external mono jack plug. In this case the balanced XLR [35] output is "783 / 84 power supply". (see fig. F - page 26). disconnected. PHANTOM POWER: this is the master switch of the 48 V d.c.
  • Page 24 LED are on. note: any one of these led off means a power supply malfunction- ing. In the event, check the leds and the fuses located on the power supply unit. 783 / 784 professional audio mixing systems...
  • Page 25 EFF. RET 1 GND 1 GND 48 V 2 signal PHANTOM 3 GND GROUP OUT mono MONO OUT LINE IN C.ROOM TAPE LINE TALKBACK IN 1 LINE IN 2 talk to TAPE talk to 783 / 784 professional audio mixing systems...
  • Page 26 10 parallel connected power amplifiers or powered connection of a multitrack tape recorder. speakers. In case you want to have these outputs unbalanced with the correct phase shortcircuit pin 1 with pin 3 in the cable. 783 / 784 professional audio mixing systems...
  • Page 27 Control room output (unbalanced) mono jack hot pin this output is the duplication of the L/R master output. It is fitted with independent level control. It is used to drive the monitors in the control booth. 783 / 784 professional audio mixing systems...
  • Page 28 + 5V - F 0,5 A CET APPAREIL DOIT ETRE RELIE A LA TERRE SERIAL N. 784 and 783 use a separate power supply unit to reduce the noise levels to state of the art values. Mains on/off switch. Using any power supply other than the one supplied with the mixer may cause damage to the unit.
  • Page 29 E1 and E2 and adjust the effects unit general mix. controls according to your needs. It is easier to operate on one input at a time. When finished with one channel, switch it off using the channel’s ON/OFF switch. 783 / 784 professional audio mixing systems...
  • Page 30 3: 3.3 In case of problems… Mixers like 784 and 783 are very sophisticated devices, and If you cannot solve some problem, refer to your dealer they may be inserted in a very complex system. A complex or contact the factory.
  • Page 31 PHANTOM 48V D.C. MONO MONO MONO LINE LINE LINE LINE LINE LINE INSERT INSERT INSERT mute LINE LINE LINE insert insert channel output graphic equalizer effect unit stereo tape recorder 783 / 784 professional audio mixing systems...
  • Page 32 XM 16 ;;;;; ;;;;; SEND 2 MASTER 10 11 12 13 14 15 PHONES VOL STEREO EFFECTS RETURNS active speaker ;;;;; ;;;;; TAPE TAPE enclosures ;;;;; ;;;;; ;;;;; stereo tape recorder active speaker enclosures 783 / 784 professional audio mixing systems...
  • Page 33 GROUP OUT LINE LINE LINE INSERT INSERT INSERT mono MONO OUT LINE IN C.ROOM TAPE line inputs submaster (groups) outputs 1-2-3-4 L/R tape in-out 4-track record line in line out stereo tape recorder 783 / 784 professional audio mixing systems...
  • Page 34 ;;;;; level control and button is fitted with Montarbo Montarbo independent for master L/R pre/post ;;;;; ;;;;; switching. volume control ;;;;; ;;;;; ;;;;; ;;;;; active speaker enclosures ;;;;; ;;;;; ;;;;; active speaker enclosures 783 / 784 professional audio mixing systems...
  • Page 35 TAPE talk to note: 'tape in' is a normal stereo LINE input. It accepts thus any adjust the signal level at the line signal (not microphones). tape outputs TAPE ROOM PFL ON 783 / 784 professional audio mixing systems...
  • Page 36 5: 5.1 Block diagram 783 / 784 professional audio mixing systems...
  • Page 37 +20dB (7,75V) impedance 600Ω max. level +20dB (7,75V) HEADPHONES 100mW into 200 Ω INSERT-IN nominal power 0dB (775mV) nom. level load impedance 200÷600Ω impedance 600Ω max. level +20dB (7,75V) 783 / 784 professional audio mixing systems...
  • Page 38 Should further information be desired, please contact us or our local distributor. Elettronica Montarbo srl can not be considered responsible for damages which may be caused to people and things when using this product.

This manual is also suitable for:

784