Shure va302 owners manual
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Page 1
VA302 Series Vocal Master SPECIFICATIONS VA302 Series Console Amplifier Type ................................... .All silicon transistor mixer/power amplifier Power Output ........... .I00 watts continuous '(RMs); (to 8 ohm load, see Figure 3, Page 7) Voltage Gain ..................................... .80 db Input Attenuator "Out" (8 ohm load) 65 db lnput Attenuator "In" (8 ohm load) Frequency Response ..................................... k2 db 40 Hz. to 20,000 Hz. (typical) Input Impedance ......... .320 ohms lnput Attenuator "Out" 500 ohms lnput Attenuator "In" Distortion ........................................... .5% maximum at rated output at 1 KHz. Hum and Noise .................................................. .60 db below rated output Speaker Load lmpedance Nominal 8 ohms; operational 5.3 ohms minimum (See Figure 3, Page 7) Input Clipping Level ............................. .Greater than 25 Mv. Input Attenuator "Out" Greater than 150 Mv. lnput Attenuator "In" Bass Control Action ............................ t13 db at 100 Hz. with respect to "flat" setting ........................ Treble Control Action i10 db at 10,000 Hz. with respect to "flat" setting "Aux. Hi-Level" Output Jack ............... .Impedance 5,000 ohms; Output 19 db below speaker output (to 8 ohm load); nominal - 2 V at 50 watts to speakers, Clipping Level 4 V. "Mic. Level" Output ............. Hi-Z: impedance 1,000 ohms; Output 30 db below auxiliary output; nominal 60 Mv. Clipping Level 120 Mv. Lo-Z: impedance 36 ohms; Output 52 db below auxiliary output; nominal 5 Mv. Clipping Level 10 Mv. Echo-"To Input" Jack (Output To External Echo Unit) .................. .Impedance 10,000 ohms; Output 20 db above microphone inputs with individual volumes at "10"; Clipping Level 3 V. Echo-"To Output" Jack (Input From External Echo Unit) ................. Impedance 40,000 ohms; Sensitivity 200 Mv. for rated amplifier output with "Echo Gain" Control and "Master Volume" Control at maximum settings; Clipping Level 2 V. with maximum setting of "Echo Gain" control. Clipping level increases with reduced setting of "Echo Gain" control. "Reverb Switch" Jack .................... D.C. switching (no audio), parallels the Master Reverb In-Out Switch. Any cable with a resistance of less than 5,000 ohms may be used. ...... Center Notch Frequencies of "Anti-Feedback" Filters . Filter "A" 5,000 Hz. Filter "B" 2,200 Hz. Filter "C" 1,000 Hz. Filter "D" 155 Hz.
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Console (Continued) .................................................. power Supply: VA302-C ,120 volts, 60 HZ. VA302E-C ........................................... 120/240 volts, 50160 HZ. Factory wired for 240 volt operation. VA302E6-C ......................... ,100, 120,140, 200, 220, 240 volts, 50160 Hz. Switch selectable. .................................... Power Consumption .80 watts maximum with no signal in. 180 watts with 1 KHz. signal and 100 watts output, 400 watts maximum operating Ambient Temperature Range ................. -7°C. to 43°C. (20" F. to 11O0F.) without derating Dimensions ................................. 213 mm height x 635 mm width x 375 mm depth (8% in. x 25 in. x 14% in.) ........................................................ Weight: VA302-C 18.6 kg (41 Ib) ......................................... VA302E-C and VA302E6-C .19.05 kg (42 Ib) VA300-S Speaker Column Power Rating ................................................................. .I00 watts Impedance ..................................................................... 16 ohms Frequency Response .................................................. 50 Hz. to 10,000 Hz. Horizontal Distribution .............................................................. 140' Vertical Distribution ................................................................. 65' ............................... Dimensions 1594 mm height x 400 mm width x 222 mm depth (62% in. x 15% in. x 8% in.) Weight.. ................................................. 31.78 kg (70 Ib) including cable The Shure Model VA302 Vocal Master Sound System consists of one Control Console (VA302-C) and two Speaker Columns (VA300-S). The Shure Model VA302E Vocal Master Sound System consists of one Control Console (VA302E-C) and two Speaker Columns (VA300-S). The Shure Model VA302E6 Vocal Master Sound System consists of one Control Console (VA302E6-C) and two Speaker Columns (VA300-S). Designed specifically for the performing vocalist, the Vocal Master Sound System provides the required porta- bility, flexibility, and dependability demanded by profes- sional entertainers. The mixerlpower amplifier Control Console permits the user to mix up to six microphones with individual control over volume, tone and reverberation. A solid-state 100 watt R.M.S. power amplifier is incorporated in the Console. Unique circuitry design protects the solid-state compo- nents against damage as a possible result of open-circuit or short-circuit conditions of the amplifier outputs. The output transistors are also protected against overheating by the use of automatic thermal sensors. All components of the Vocal Master Sound System are conservatively rated and are operated well within their respective tolerances to assure long life and trouble-free performance. The VA302-C is Underwriters' Laboratories, Inc. listed, and is listed by the CSA Testing Laboratories as certified. The VA300-S Speaker Columns are highly directional, wide range, line-radiators. A rear-ported enclosure is uti- lized which contributes to the directional characteristics of the Speaker Column and is crucial in reduction of feed- back. The VA300-S employs four special 8-inch loudspeakers and two special 10-inch loudspeakers providing a total cone area of 2,310 cm2 (358 in2). Each Speaker Column is furnished with a 15m (50 ft), #I8 gauge, 2-conductor rubber jacketed cable with locking phone plugs attached.