Quam QC10 CLASSIC 20 Watt Volume Attenuator ,Stainless steel, Debossed Paint Filled Position

Quam QC10 Classic

20 Watt Volume Attenuator ,Stainless steel, Debossed Paint Filled 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