SKU: SLK-100-PAR OSD 100W Modern Design In Wall Volume Control, Rotary Knob White Black Brown Impedance Matching
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- Screwless Decora style impedance-matching volume control for whole house audio systems and dedicated audio zones
- Rated at 100 Watts per channel with minimal bass roll-off
- Impedance-matching feature stabilizes the ohm load so parallel connections of multiple volume controls can be installed without damaging the amplifier
- Front-mounted adjustable jumpers allow easy adjustment when multiple pairs of speakers are connected to a single receiver or amplifier
- Accepts up to 14-gauge wiring and fits in a standard gang box with a depth of 2.9”
- Precision electronics provide low distortion and a ruler flat frequency response
- 12-step linear rotary-style knob for a wide range of listening volumes
Now you can match your favorite decora light switch with screwless volume control. All speakers have an impedance rating, typically 8 ohm for a pair of home speakers. To operate in the safest mode, most standard amplifiers and basic two-channel receivers are rated for an 8-ohm incoming load. To operate safely and consistently, the amp needs to see an 8 ohm load, and that’s where speaker selectors and impedance-matching volume controls come into play.
In a basic multi room system, only a Speaker Selector is used to connect the speakers to the amplifier/receiver. Not only does the Speaker Selector allow you to connect multiple speakers to the amplifier but also adds internal Impedance Protection which is enabled by a manual protection switch. Both our ISS and DSM series Speaker Selectors feature internal Resistors that protect the amplifier. The down side is that the power rating normally 140 watts is cut in half when the protection switch is enabled so rated at 70 watts with protection.
In a standard multi-room system (using Impedance Matching VC) you will typically have an amplifier/receiver, a speaker selector with 4 to 8 zones, and volume controls connected to all the speakers. Impedance-matching volume controls provide more precise protection for the amplifier/receiver versus the protection built into the standard speaker selector. Plus with the protection switch in the off position you will have the maximum power handling capability of the respective speaker selector. It is important that the protection switch is turned off when using the Impedance matching Volume Controls.
Most impedance-matching volume controls feature three standard settings: 1/2x, 4x and 8x, while some add a 16-ohm setting like our VMS series. These settings correspond to a chart in the owner’s manual based upon the type of amplifier (4 or 8 ohm) and the number of 4 or 8 ohm speakers that you will be using in the multi-zone/room/speaker system. You can use both 4 and 8 ohm speakers when setting up your system. But you need to count a 4 ohm speaker as two 8 ohm speakers when calculating your Impedance setting.
Warning: California's Proposition 65
This product can expose you to chemicals, including vinyl chloride, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
- Volume Control Type: 100W Impedance Matching Screwless Rotary Knob Style
- Power Handling: 100W Peak; 50W RMS Per Channel
- Frequency Response: 20Hz - 20kHz
- Total Attenuation: 52 dB (Max)
- Steps: 12 (Make Before Break)
- Impedance Matching for 1/2, 4, 6, or 8 Pairs of Speakers
- *Can be Used as Non-Impedance Matching if Leaving Default on Jumper Setting at 1X
- Wiring Requirement: Up to 14 Gauge Wire
- Removable Input and Output "Quick Connect" Phoenix Connectors
- Fits in a Standard Single Gang Box - See LV1 for Mounting Bracket
- Unit Dimensions: (L x H x D) 1.62" x 2.5" x 2.5"
- What's Included: White Plates, White Inserts,White Screws, and White Knob
- Additional Colors Available: Almond, Bone, Black or Brown
- Innovative Screwless Volume Control has a Clean Look
- Warranty: 5 Years
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