The Lowell 50LVC-DW is a 50-watt mono autoformer volume control designed for use with 25V and 70V distributed speaker systems. Its rotary control provides convenient local volume adjustment for commercial audio, paging, and background music systems.
The 50LVC-DW provides 11 volume positions from 0–10 with 3 dB attenuation per step and 33 dB total attenuation. The final two steps before the off position provide 6 dB attenuation each for a smooth transition to mute.
Phoenix-style plug-in screw terminals accommodate speaker wiring up to 14 AWG, simplifying installation and service.
The volume control includes a white decorator-style one-gang wall plate and fits a standard electrical outlet box with a minimum depth of 2.125 inches.
50-Watt 25V/70V Volume Control
The Lowell 50LVC-DW is rated for 50 watts and is designed specifically for 25V and 70V speaker lines.
It provides local level control in distributed audio systems without requiring adjustment at the system amplifier or mixer.
11-Position Rotary Control
A rotary dial provides 11 positions from 0 through 10 for straightforward volume adjustment.
Attenuation is provided in 3 dB steps, with two 6 dB steps immediately before the off position, for a total attenuation range of 33 dB.
Phoenix-Style Connections
The 50LVC-DW uses Phoenix-style plug-in screw terminal connections and accommodates wire up to 14 gauge.
The removable terminal design can simplify wiring during installation and servicing.
White Decorator-Style Wall Plate
The 50LVC-DW includes a white, decorator-style one-gang wall plate for a clean finished installation.
It fits a standard electrical outlet box with a minimum depth of 2.125 inches.
Lowell 50LVC-DW Key Features
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50W power rating
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Designed for 25V and 70V speaker lines
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Mono autoformer volume control
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Rotary volume adjustment
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11 positions: 0–10
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3 dB attenuation per step
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Two 6 dB steps before off
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33 dB total attenuation
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Phoenix-style plug-in screw terminals
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Accepts wire up to 14 AWG
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White decorator-style one-gang wall plate included
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Fits standard electrical outlet boxes
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Minimum box depth: 2.125"
Lowell 50LVC-DW Specifications
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Specification
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Details
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Product Type
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Autoformer Volume Control
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Power Rating
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50W
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Speaker Line
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25V / 70V
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Channels
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Mono
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Attenuation
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3 dB per Step
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Total Attenuation
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33 dB
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Final Steps Before Off
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2 × 6 dB
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Volume Positions
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0–10
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Control
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Rotary Dial
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Termination
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Phoenix-Style Plug-In Screw Terminals
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Maximum Wire Size
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14 AWG
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Wall Plate
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1-Gang Decorator Style
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Finish
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White
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Minimum E.O. Box Depth
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2.125"
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Typical Applications
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Commercial background music systems
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Paging systems
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25V distributed audio systems
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70V distributed audio systems
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Offices and conference rooms
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Schools and classrooms
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Restaurants and hospitality
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Retail stores
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Houses of worship
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Commercial buildings
Why Choose the Lowell 50LVC-DW?
The Lowell 50LVC-DW provides a simple way to add local volume adjustment to a 25V or 70V distributed speaker system. Its 50W power rating, 11-position rotary control, Phoenix-style connections, and included white decorator wall plate make it well suited for permanent commercial audio installations.
Why Buy the Lowell 50LVC-DW from Audio Supply?
Audio Supply provides Lowell volume controls, rack equipment, speaker accessories, transformers, commercial amplifiers, and distributed audio system components.
Our team can help you select the correct volume control based on your amplifier, speaker-line voltage, and total connected speaker load.
Need a higher-power version? Lowell 100LVC-DW 100W 25V/70V Volume Control
