Models M610 and M610-2E - Shure

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OVERALL DIMENSIONS - FIGURE 1Phase: the "live" or "hot" terminal of the plug, and thePin 3 of the Microphone lnput is in phase with pin 3 of blue lead to the neutral terminal of the plug. Thethe Microphone Output and out of phase with the tip of green/yellow lead is the grounding conductor andAux. Output and the tip of the Aux. Input.should be connected to the ground or earth terminalFilter Characteristics:of the plug.Moving Filter Frequency control from 0 to 12 reduces Before connecting the M610-2E to the power source,gain by 12 d~ t 2 ,j~ at frequency of maximum attenua- the line voltage selector slide switch on the rear paneltion. This center frequency is within -+20% of nominal (Item 22 of Figure 3) must be set to the proper posifrequency.One octave from center frequency, moving tion- To change the selector switch to the 108-132Filter Frequency control from 0 to 12 reduces gain by V.A.C. position, loosen the mounting screw holding3.5 dB t 1 dB.the switch locking tab until the tab can be rotatedaway from the switch lever. Tighten the mountingBelow 63 switch: 6 dB per octave slope, 9 dB downscrew and set the switch as(+2 dB) at 20 Hz.Above 8K switch: 6 dB per octave slope, 8 dB downCONTROLS AND CONNECTORS(+2 dB) at 20 kHz. See Figure 3.Typical filter frequency response characteristics are Inputs:shown in Figures 4 and 5. Filters are electrically iso- Microphone:lated for minimum phase interaction.The microphone input (16), located on the rear panelOperating Voltage:and designated Mic. Input, is designed for low-impe-AC Operation: dance (balanced or unbalanced) microphones with 25M610: 108-132 volts, 50/60 Hz, 3 watts to 600 ohms impedance or high-impedance (unbalanced)dynamic, ribbon, or condenser microphones. The unit isM610-2E: 108-132 Or 216-264 50/60 Hz, not recommended for use with crystal or ceramic microasselected by a switch On the phones. The impedance is selected by a slide switchrear panel.(17) above the Mic. lnput receptacle. The input recep-DC Operation: 30 volts * 20% at approximately tacle is a professional three-pin audio connector (fe-12 mA.male).* Figure 2 refers to microphone connections. SeeTemperature Range:Figure 2 for low- and high-impedance connections toOperating: -7°C to 57°C (20°F to 135°F)receptacle.Storage: -29°C to 7I0C(-20°F to 160°F)Note: Some condenser microphones produce very highNet Weight: 1.8 kg (3 Ib, 15 oz) output signals which may overload the input. UsePackaged Weight: 2.4 kg (5 Ib, 4 oz)of an attenuator (such as the Shure A15A In-LineMicrophone Attenuator) will improve this situa-Dimensions:tion.See Figure 1.'Designed to mate with Cannon XL series. Switchcraft A3 (Q.G.) series orINSTALLATIONequivalent connector. [Shure part 95A407 (male) or 95A548 (female).]WARNINGTo reduce the risk of fire or electric shock, do notexpose this appliance to rain or extreme moisture.Auxiliary:The Aux. lnput phono pin jack (15) on the rear panelhas a built-in switch that disables the Mic. lnput preamplifierwhen a phono plug is inserted.The Aux. lnput will accept output from a high-impedance,high-level source, such as a mixer, audioconsole, tape recorder, MVl-FM tuner, or phonographpreamplifier.Outputs:The M610 or M610-2E is typically connected in theauxiliary, high-level line between the preamplifier/mixer and the power amplifier, or between the microphoneand the preamplifier/mixer in single-micro- The receptacle marked Mic. Output (18) is a dual-imphonesystems. Any combination of inputs and out- pedance output, either low impedance balanced or highputsavailable may be used, however, according to impedance unbalanced, as selected by the switch (19)the particular needs of the user.above the receptacle. The receptacle is a professionalThe Model M610-2E is supplied with a three-con- three-pin audio connector (male).* See Figure 2 forductor power-line cord, but no plug. The power-line output receptacle connections.cord plug should be installed by qualified service The phono pin jack marked Aux. Output (20) is a highpersonnel.The brown lead should be connected to impedance, high-level output designed primarily to feed
MICROPHONE MIC. INPUT MICROPHONE MIC. INPUTLOW IMPEDANCEHIGH IMPEDANCE(BALANCED LINE1MICROPHONE INPUT PLUG CONNECTIONSMIC. OUTPUTMIC. OUTPUTLOW IMPEDANCEHIGH IMPEDANCE(BPLANCED LINE)MICROPHONE OUTPUT PLUG CONNECTIONSMICROPHONE CONNECTIONS - FIGURE 2u FRONT PANEL u7~610-ZE ONLY)MU\ / \ / REAR PANEL /CONTROLS AND CONNECTORS - FIGURE 3a power amplifier or auxiliary input requiring 0.1 to 2volts.Accessory 30 Volts D.C.:These rear panel jacks (21) provide 30 volts dc foraccessories such as the A68M Microphone Preamplifier.The jacks are also used as a power input whenusing the Model A67B Battery Power Supply (Accessory).These jacks provide 34 Vdc open circuit (30 Vdcat 6 mA max.).Controls (See Figure 3):Power Switch and Pilot Light:The power On-Off switch (14) controls operation ofthe unit when it is powered either by the ac line or byan external dc source. The pilot light (13) indicatesoperation only when ac power is used.Filter Frequency Controls:The eight linear motion Filter Frequency controls (2)-(9) located on the front panel are used for adjusting thelevel of eight octave-spaced bands having center frequenciesof 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz,4 kHz, and 8 kHz respectively. The levels of the octavespacedbands are individually and continuously adjustablefrom flat at full up position to approximately 12 dBcut at full down position. Figures 4-1 and 4-2 illustratethe frequency response characteristic of each octavefilter when adjust& for 6 dB cut and full cut.Below 63 and Above 8K Switches:The Below 63 filter slide switch (1) reduces the gainof frequencies below the 63 Hz octave band when placedin the down position, and the Above 8K filter slideswitch (10) reduces the gain of frequencies above the8 kHz octave band when placed in the down position.Figure 5 shows the frequency response characteristicsof these filters.Mode (Filter-Bypass) Switch:In the Bypass position, the Mode switch (11) disablesthe filters and the Filter Level control and sets gain fromAux. lnput to Aux. Output, or Mic. lnput to Mic. Output,at approximately unity. The filters and Filter Level controlare operative in the Filter position.Filter Level Control:The Filter Level control (12) provides up to 24 dB gainwhen filters are enabled, as well as gain reduction belowunity. The Filter Level control is used to increase systemgain as filters are adjusted. A setting of 4 for this controlwill provide approximately unity gain through theController in the Filter mode.
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Models M610 and M610-2E - Shure

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