ERD-8 QUAM NICHOLS, ERD-8 Datasheet
ERD-8
Manufacturer Part Number
ERD-8
Description
BACK BOX, BACK BOX, STEEL, WHITE
Manufacturer
QUAM NICHOLS
Datasheet
1.ERD-8.pdf
(2 pages)
Specifications of ERD-8
Enclosure Type
Back Box
Enclosure Material
Steel
Body Color
White
External Height - Imperial
4.5"
External Width - Imperial
12.31"
External Height
4.5"
External Width
12.31"
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
GENERAL DESCRIPTION
The Quam ERD-8 or ERD8U is a UL Listed (UUMW),
round, steel loudspeaker back box. A circular, molded
expanded polystyrene damping pad is fitted to the inside
top of the enclosure.
Finish: White baked epoxy hybrid.
INTENDED USE
Use with recommended additional Quam components to
complete a loudspeaker assembly used in an indoor
environment.
SYSTEM COMPONENTS
N/A
RECOMMENDED ADDITIONAL QUAM COMPONENTS
0402 - Loudspeaker Mounting Devices, SSB-2
0401.2 - Speaker, Transformer, Baffle & Volume Control
0104.3 - Speaker, Transformer, Baffle & Universal Knob
Control
0401.1—FLUSH MOUNTED, ROUND
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.
(800) 633 - 3669
Fax: (888) NEED NOW
OR
(888) 633 - 3669
www.quamspeakers.com
MECHANICAL SPECIFICATIONS
Height
Diameter
(Flange Max)
Bottom Diameter
Top Diameter
Internal
Displacement
ATTACHMENT POINTS
ERD-8
ERD8U
ELECTRICAL ACCESS
ERD-8
ERD8U
All devices connect with twist-tabs to support bridge.
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
Back Box / Mounting Device
ERD8U Shown
TOP
--
--
TOP
1x
1x
IBEW
1031
LU
4-1/2”
12-5/16”
9-3/4”
8-1/2”
275 cu. in.
SIDE
4x welded
2x snap-in
SIDE
4x - 90° apart
4x - 90° apart
Since 1930
ERD8U
ERD-8
TERD8_ERD8U_11MR04
UL Listed
ERD-8 Summary of contents
Page 1
... MOUNTED, ROUND GENERAL DESCRIPTION The Quam ERD-8 or ERD8U Listed (UUMW), round, steel loudspeaker back box. A circular, molded expanded polystyrene damping pad is fitted to the inside top of the enclosure. Finish: White baked epoxy hybrid. INTENDED USE Use with recommended additional Quam components to complete a loudspeaker assembly used in an indoor environment ...
Page 2
... ERD8 Series Back Can (UL Listed UUMW) intended for use with QUAM SSB-x Tile Bridge INTENDED USE: All versions: Indoor environment, COMPLETE ASSEMBLY AS SHOWN mounted parallel to floor plane in a 24” wide, suspended ceiling tile grid; mount height 18’ or less above floor plane. ...