Quam QC10 20 Watt Volume Attenuator ,Stainless steel, Embossed Position

Quam QC10

20 Watt Volume Attenuator ,Stainless steel, Embossed Position

The Quam QC10 (xx) is a single gang, continuous rotary,
ten-step audio level attenuator with an OFF position.
Except where noted, all variants are UL Listed 813.
Finish: QC10 - Stainless steel, embossed position
(No position on scale)
QC10 Classic - Stainless steel, debossed, paint
filled position
QC10P - Stainless steel, embossed position
(No position on scale) (No UL Listing)
QC10RM - 2 x 2 dial scale, white on black
QC10W - Hybrid white epoxy plate, white knob
Knob (all variants, except QC10W): Black with white
indicator
Knob (QC10W): White, molded indicator
INTENDED USE
QC10, QC10 Classic, QC10RM: Attenuates audio power
to any number of loudspeakers up to 20W load. For use
with 25V or 70.7V distributed audio systems; indoor
environment.
QC10P: (No UL Listing) Attenuates audio level output
to any number of loudspeakers up to 20W load. For use
with 25V or 70.7V distributed audio systems; indoor
environment. When internal 24VDC relay is activated,
attenuator function is bypassed.
Program Material: Signal tones, voice and music

AUDIO SPECIFICATIONS
Power Rating 20W continuous
Attenuation Steps 1-2, -6 dB
(Ref: 70.7V line) Steps 3-10, -3 dB
OFF Position, -36 dB
Insertion Loss < 0.5 dB
MECHANICAL SPECIFICATIONS
Mounting QC10, QC10 Classic, QC10W:
Single gang electrical box,
2-1/8 Deep
QC10P: 3-1/2 Deep
QC10RM: 2RU rack panel or
greater, 1/8 thick maximum
Relay Actuation 24VDC, 0.015A (QC10P only)
Audio Connection 10 Long Color-Coded Tinned
Wires, Pre-cut

Model Specifications