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Table of Contents
Related Manuals for Electro-Voice 1700 Series
Summary of Contents for Electro-Voice 1700 Series
- Page 1 1700 Series Mixer/Power Amplifiers Operating Instructions...
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Page 2: Table Of Contents
INCLUDED ACCESSORIES: ................................3 OPTIONAL INPUT OUTPUT ACCESSORY MODULES: ........................3 ELECTRICAL CONNECTIONS FOR THE 1700 SERIES MIXER/POWER AMPLIFIERS ..............3 Power Connections (120 Volt, 50/60 Hz) ............................ 3 Power Connections (100, 200, 220, or 240 Volt; 50/60 Hz) 1707C/1715C Only ................ 3 INSTALLING MODULES IN THE MAINFRAME .......................... -
Page 3: Description
DESCRIPTION The 1700 Series Mixer/Power Amplifiers offer a highly flexible integration of a user configurable six input mixer with a fully protected power amplifier in one convenient cost effective package. The six input ports accept any of the several input modules or output module. -
Page 4: Installing Modules In The Mainframe
5. Install the appropriate fuse value from Table 2. NOTE: Use of fuses other than those listed in Table 2 will VOID THE WARRANTY. 6. If you connected the power transformer’s primary leads for 200-, 220-, or 240-volt operation, perform steps 7, 8, and 9 below to prevent future confusion and possible damage to the amplifier. - Page 5 Figure 5. Block Diagram of 1707C / 1715C Mixer/Power Amplifiers controls. The dual LED nominal/peak displays are pre-fader and CAUTION designed to monitor the output level from the corresponding Don’t let the thermometer bulb touch the metal input module. The nominal (green) LED indicators have an chassis.
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Page 6: Output Connections (1707C/1715C Only)
and cut with the maximum boost occurring at 100 Hz and 10kHz Output Fuse: A fuse in series with the output of the amplifier respectively. section protects the amplifier from excessive current consumption by a load. If this output fuse blows, replace it only The compressor/limiter section features variable release time, with a fuse that matches the same type and rating as compression ratio, and threshold. -
Page 7: Preamp Out/Amp In Connections
Table 3. Maximum Allowable Cable Resistances LINK IN/LINK OUT Connections The LINK IN/LINK OUT phono connectors on the mid-rear panel Figure 10. Patching an External Equalizer or Other Signal of the mainframe permit you to dynamically link two or more Processing Device systems together. -
Page 8: Front/Rear-Panel Controls, Switches, Indicators, And Connectors
3. Set the tone control EO IN/DEFEAT switch to the DEFEAT o i t . l e position. n i t Operating the 1700 Series Mixer/Power Amplifiers o i t n i t 1. Connect a source representative of the type of input signal n i t o i t to one of the input module positions, if any. - Page 9 Table 4 below lists the function/descritption of each connector TREBLE controls for the desired response. From a center or control on the rear panel on the mixer/power amplifier. or 12 o’clock (MID) position, rotate either control clockwise to boost response or counterclockwise to cut response. If using the tone-control section is inappropriate for current Table 4.
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Page 10: 1781 Mic/ Line Input Module
(on or off), mute priority or slave, or remote volume control. ELECTRO-VOICE also offers the 1781AT, a To configure an input module for the priority mode, install a programmable input module with a Transformer installed. -
Page 11: Mute "Off " Mode Of Operation
Figure 4. Remote Volume Control Applications Figure 2. 1785A Input Transformer Connections To configure the module for the slave mode, install a 2-pin female REMOTE VOLUME CONTROL CONFIGURATIONS connector onto J5, the 2-pin male header connector located near the right edge of the module as shown in Figure 1. Remote Volume Control Connections Mute “Off “... -
Page 12: Alternative Configurations Using The Rvc Circuitry For Preset Attenuation
Alternative Configurations Using the RVC Circuitry for Table 2. Connector Assembly Wiring Preset Attenuation A variation of the remote volume control is shown in Figure 4b. A switch in series with a fixed value resistor “R” may be used to attenuate (or mute) the channel to a predetermined level. -
Page 13: Specifications
Figure 5. Typical Input Module Connections Table IV Attenuator Pad Resistance Values SPECIFICATIONS y l l 1781A PROGRAMMABLE INPUT MODULE t s i Gain: ......0 dB to 50 dB, continuously variable 10 dB to 60 dB w/1785A Input Sensitivity: o i t (Ref. -
Page 14: 1783 Line Output Module
High Pass Filter (Low Cut): Impedance Ratio: ..........600il: 10 kil (Primary: Secondary) (Ref., 100 mVrms output, minimum gain, 10 kQ load) Frequency Response (Ref. I kHz, 100 mVrms output) Fl: .......... 320 Hz (>10 dB at 100 Hz) ±1 dB: ............ 40 Hz to 20 kHz Slope: .......... -
Page 15: Installation Of Optional 1786 Output Isolation Transformer
Figure 2. Block Diagram of the 1783 Line Output Module operational amplifier’s inver ting output) to the amp’s The 1783 line output module has an electronically-balanced non-inverting output. This will put the same polarity signal on (differential) output providing high drive capability with low both phono connectors. -
Page 16: Vox Gate
VOX GATE DESCRIPTION modification B (reference Figure 1): The ELECTRO-VOICE 1781A programmable input module can 1. Remove capacitor C001 (47 mF) and C002 (.01 mF). be modified to become a current controlled gate with a adjustable 2. Remove resistor R101 (47 kohm). - Page 17 12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-884-4051, Fax: 952-884-0043 Canada 705 Progress Avenue, Unit 46, Scarborough, Ontario, Canada, M1H2X1, Phone: 416-431-4975, 800-881-1685, Fax: 416-431-4588 Germany Hirschberger Ring 45, D94315, Straubing, Germany, Phone: +49 9421-706 0, Fax: +49 9421-706 287 France Parc de Courcerin, Allee Lech Walesa, Lognes, 77185 Marne la Vallee, France, Phone: +33 1 6480-0090, Fax: +33 1 6480-4538 Australia...