QC10 QUAM NICHOLS, QC10 Datasheet
QC10
Manufacturer Part Number
QC10
Description
Power Transformer
Manufacturer
QUAM NICHOLS
Series
QC10r
Datasheet
1.QC10.pdf
(1 pages)
Specifications of QC10
Supply Voltage
24VDC
Output Voltage
70.7V
Mounting Type
Wall
Power Rating
20W
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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GENERAL DESCRIPTION
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:
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
SYSTEM COMPONENTS
N/A
Quam-Nichols Company
234 East Marquette Road, Chicago, IL 60637
Phone: (800) NEED NOW
E-Mail: neednow@qnc.com
© 2011 Quam-Nichols Company Quam-Nichols reserves the right to make changes and/or improvements to its products at any time and without notice.
0501, 0501.1 - ATTENUATORS
(800) 633 - 3669
QC10 - Stainless steel, embossed position
QC10 Classic - Stainless steel, debossed, paint
filled legends
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
Fax: (888) NEED NOW
(888) 633 - 3669
www.quamspeakers.com
QC10 Shown
Recommended construction sequences, installation instructions and A&E
Specifications are available in various formats on the Quam Architects’ and
Engineers’ Resources CD or on the web at: www.quamspeakers.com
RECOMMENDED ADDITIONAL QUAM COMPONENTS
0403 - Surface Mounting Devices
AUDIO SPECIFICATIONS
Power Rating
Attenuation
(Ref: 25V,70.7V line)
Insertion Loss
MECHANICAL SPECIFICATIONS
Mounting
Relay Actuation
Audio Connection 10” Long Color-Coded Tinned
SE4W Single Gang Box
Positions 9-3, -3 dB each
20W continuous
Position 10, Full signal
Positions 2-1, -6 dB each
Position 0, -36 dB
< 0.5 dB
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
24VDC, 0.015A (QC10P only)
wires, Pre-cut
0501.1- Attenuators, UL Listed
QC10 Series
0501-Attenuators
TQC10SERIES_11MR17
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