User Manual
Contents
1. _ lt Z lt Y aa LL Z O IWNER S MANUAL PVCKT5 www pyleaudio com Impedance Matching Stereo Volume Control Introduction This is a wall mounted impedance matching stereo volume control which connects between the speaker level output of an amplifier receiver or speaker selector and a pair of speakers Volume Control Placement When deciding where the volume control will be mounted in the wall consider the various ways it will be used The primary listening area and the ease of running the wire to your chosen location are the important things to keep in mind The most common locations to mount volume controls are by the door as you walk into the room next to existing wall fixtures or in the area that you will be listening to music If you do not understand any part of these instructions please contact your system dealer Improper wiring could cause damage to your audio system Do not put the volume control into the same box as a 110v AC circuit i e light switch electrical outlet etc Speaker wires can act as an antenna for electrical noise Locating speaker wires too close to a light switch or dimmer may cause a buzzing or popping sound to be heard through the speakers If you must locate the volume control near electrical devices use a separate electrical box Once a location has been chosen you may install the volume control after you have first installed a standard single gang plaster2. d to your amplifier or receiver and b the appropriate bridge clip setting 1x 2x or 4x to use on the volume control 1 In the first column determine the minimum impedance capability of your amplifier or receiver 2 Move across the row to the number of 8ohm speaker pairs you wish to use 3 The resulting number 1x 2x or 4x is the bridge clip setting appropriate for your configuration NOTE Both bridge clips must have the same setting 4 The gray area indicates a setting that is slightly below the amplifier or receiver s minimum impedance but will most likely work l Figure 5 A ELECTRICAL BOX A ls f SPEAKER WIRE 2 x VSI45 VOLUME CONTROL g lt Uy INSTALLATION SCREWS Se supplied X DECORATOR PLATE supplied KNOB supplied o DECORATOR COVER PLATE supplied wy COVER PLATE SCREWS supplied 2 Number of 80hm Speaker Pairs ax 3 4 6 ac eS 4x 4x lt 3 Es 4x 4x 4x a 2x 2x 4x 4x 4x 4x S Figure 4 Mounting the Volume Control Once the control has been wired it is ready to be mounted into the wall Referring to Figure 5 place the components of the volume control into the wall in the order illustrated Use the enclosed screws to hold the components in place NOTE The rotary switch is shipped with the control turned as far counterclockwise as it will turn off If you changed this return it to the full counterclockwise position before starti
3. ng installation
4. ring or a single gang electrical box light switch type Wiring the Volume Control CAUTION Please make sure your amplifier or STEP 2 receiver is turned off before proceeding This volume control can be used with up to 14 gauge wire Measure the distance from the speaker to the amplifier For distances of 50 feet or less use 18 gauge speaker wire or ordinary lamp cord For distances greater than 50 feet use heavier 16 gauge wire For best results strip the speaker wire no more than 1 4 from the end Loosen the screws on the underside of the wire block terminal to allow the wire to be pushed completely into the opening then tighten the screws to secure the wire See Figure 1 If you need to remove the wire simply loosen the screws on the underside of the wire block terminal Refer to Figure 2 when wiring the volume control 1 Connect the amplifier or receiver s left speaker output to the left input terminals on the removable wire block terminal Please observe proper polarity of the connections amplifier to input on the volume control 2 Repeat step 1 for the right side 3 Connect the wires from the left speaker to the left speaker output terminals on the wire block terminal Please observe proper polarity of the wires for correct speaker phase speaker to output 4 Repeat step 3 for right speaker connection CAUTION If the input and output connections are reversed the minimum setting on the volume con
5. trol will cause a short across the amplifier or receiver output terminals resulting in serious damage to your amplifier or receiver Please double check steps 1 through 4 This volume control cannot be connected in series with another volume control Adjusting the Bridge Clips for Multiple Speakers See Figure 3 ge 1X g Setting Both Clips on Top 1x Pins 2x Setting Both Clips on Middle 2x Pins TIGHTEN WIRE CLAMP SCREW WITH SCREWDRIVER Figure 1 AMPLIFIER WIRES SPEAKER WIRES STEP 1 STRIP SPEAKER OR AMPLIFIER WIRE S INSULATION TO 1 4 FROM THE END AND INSERT INTO PROPER SLOT Figure 2 SPEAKERS RIGHT LEFT AMPLIFIER Speaker Outputs R INPUT WIRES OUTPUT i WIRES SIDE VIEW VOLUME CONTROL Figure 3 Both Clips on Bottom Z 4x Pins Page 2 Owner s Manual This volume control is designed to run multiple pairs of speakers without damaging your amplifier or receiver The adjustment is made by using bridge clips that can be easily changed NOTE Both bridge clips must have the same setting i e 1x 2x or 4x Failure to properly set the bridge clips may result in damage to your amplifier or receiver Please follow the recommendations in this section carefully Failure to properly set the bridge clips may result in damage to your amplifier or receiver Use the chart in Figure 4 to determine a the maximum number of speaker pairs that can be connecte
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