Atlas M-1A User Manual

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AtlasSound.com
AT10 shown in standard backbox
RM Series
AT10D (decora)
AT10/35/100
Series
E408100
DIMENSIONAL SPECIFICATIONS
PLATE MOUNTED ATTENUATORS
MODEL A B C D E
AT10 4
1
/2" 2
1
/8" 2
3
/4" 2
3
/4" 1
3
/4"
AT10-PA 4
1
/2" 2
1
/8" 2
3
/4" 2
3
/4" 1
3
/4"
AT35 4
1
/2" 2
1
/8" 2
3
/4" 2
3
/4" 1
3
/4"
AT35-PA 4
1
/2" 2
1
/8" 2
3
/4" 2
3
/4" 1
3
/4"
AT100 4
1
/2" 2
1
/2" 2
3
/4" 2
3
/4" 1
3
/4"
AT100-PA 4
1
/2" 2
1
/2" 2
3
/4" 2
3
/4" 1
3
/4"
E408-100 4
1
/2" 2
5
/8" 2
1
/16" 2
3
/4" 2
5
/16"
Side View Top View
AT, E408 series
R
U
L
LISTED
INDUSTRY STANDARD AUTO TRANSFORMER
AT Series. UL listed high-quality auto transformer series provides the advantages of excellent
frequency response, low insertion loss and reliable performance for volume control application in
25 and 70.7V systems. Attenuation is accomplished in ten steps plus positive off position. (No stop
between maximum and off position to prevent switch damage). Contacts are silver plated for noise-
free operation. Includes stainless steel plate, stamped and filled dial scale with skirted black knob.
AT Decora Series. Include White and Ivory Decora Style plastic plates, with matching skirted knobs.
AUTO TRANSFORMER WITH PRECISION LEVEL CONTROL
E408-100. Specially designed for attenuation in masking and sound reinforcement systems where
fine tuning of level control is required. Employs a ten-position, non-shorting rotary switch without
stop. Attenuation rate is 1.5dB per step. (All other specifications are the same as the AT Series
including the UL listing).
PRIORITY PAGING OPTION
PA Series. Priority paging feature bypasses the effect of the attenuator to provide program level
selection of individual emergency and paging signals at the amplifier. Option is available on all AT
Series attenuators. The SPDT relay is operated with 24VDC at 10mA. Includes protective relay cover
to ensure lasting trouble-free performance. (All other specifications except for dimensions are the
same as AT Models.)
RACK MOUNT OPTION
RM Series. For attenuation convenience of rack-mounted equipment in cabinets and consoles,
the AT and E408 Series attenuators are available without mounting plate for rack panel installation.
Attractive matte black polycarbonate dial scale overlay with adhesive backing replaces the mounting
plate. Includes skirted black knob. Overlay size is 2" sq. (51mm). (To order, simply add RM after
the selected attenuator model number. Example: AT10-RM or AT10-PARM.) (Dial scale overlays
to retrofit existing installations are available, see hardware section Model HX23.) For easy rack
mounting of RM series attenuators, see model AT PLATE, catalog Section 5.
UL 813 & UL 2043 Listed.
MODEL POWER
RATING
(Watts)
ATTENUATION
PER STEP
TOTAL
ATTENUATION
INSERTION
LOSS
PLATE
SIZE
PLATE
TYPE
PLATE
COLOR
AT10(-PA)
10 3dB 27dB .4dB 1 gang Stainless NA
AT35(-PA)
35 3dB 27dB .4dB 1 gang Stainless NA
AT100(-PA)
100 3dB 27dB .4dB 1 gang Stainless NA
MODEL POWER
RATING
(Watts)
ATTENUATION
PER STEP
TOTAL
ATTENUA-
TION
INSERTION
LOSS
PLATE
SIZE
PLATE
TYPE
PLATE
COLOR
AT10D
10 3dB 33dB .4dB 1 gang Plastic Decora White/Ivory
AT35D
35 3dB 27dB .6dB 1 gang Plastic Decora White/Ivory
AT100D
100 3dB 27dB .6dB 1 gang Plastic Decora White/Ivory
MODEL POWER
RATING
(Watts)
ATTENUATION
PER STEP
TOTAL
ATTENUA-
TION
INSERTION
LOSS
PLATE
SIZE
PLATE
TYPE
PLATE
COLOR
E408-100
100 1.5dB 15dB .6dB 1 gang Stainless NA
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Summary of Contents

Page 1 - AtlasSound.com

AtlasSound.comAT10 shown in standard backboxRM SeriesAT10D (decora)AT10/35/100SeriesE408100DIMENSIONAL SPECIFICATIONSPLATE MOUNTED ATTENUATORS MODEL

Page 2

800.876.3333 Customer Service • 800.765.3435 Fax OrderingFOURWHISPERTOUCH® IMPEDANCE-MATCHING VOLUME CONTROLSDevices provide clear, distortion-free mu

Page 3

AtlasSound.comDAT Series. Atlas Sound offers traditional autoformer controls to provide excellent stereo performance and maximum speaker-handling capa

Page 4 - 8” Hole & Grommet

800.876.3333 Customer Service • 800.765.3435 Fax OrderingSTAINLESS STEEL WALL PLATES WITH INDUSTRY STANDARD CONNECTORSProfessional appearance with eas

Page 5

AtlasSound.comHX76HARDWARE ACCESSORIESAT Plate-052. The new Atlas Sound AT Plate is perfect for rack mount applications where attenuators are required

Page 6

800.876.3333 Customer Service • 800.765.3435 Fax OrderingMICRO INFRARED REPEATERS & FLASHERSM-1A Series. Atlas Sound IR repeaters allow the operat

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