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8" Dual Cone In-Ceiling Speaker with 4-Watt 25V/70V Transformer and 5oz Magnet

Last updated Nov 1, 2026 · 2 entries in Page history

The AtlasIED C5AT72 is an 8" dual cone in-ceiling speaker with a factory-installed LT-72 line-matching transformer, power taps of .5, 1, 2, & 4 Watts and a dispersion of 105°.

Part number or model
C5AT72
Catalog number
Not assigned yet
AtlasIED C5AT72, front, the cone seen straight on

Specifications

34 fields, as the sources state them

Description

Description
Model C5AT72 is a reliable, economically priced 15-watt speaker with a pre-mounted 25/70.7V 4W transformer that offers many features found in speakers costing considerably more. It includes a curvelinear, treated-paper cone for lower harmonic distortion. It is also equipped with a full 1" diameter copper voice coil with a black-anodized aluminum former for better power dissipation. Model C5A operates within a frequency response range of 50Hz - 18kHz with a sensitivity of 96dB and a dispersion angle of 105°. It mounts a wide variety of AtlasIED round and square baffles and enclosures to meet functional and aesthetic application requirements.1

Features

Features
Ideal for Multi-Purpose Commercial, Industrial and Institutional Use Industry Standard Value Loudspeaker with Proven Performance Mounts a Wide Selection of Atlas Sound Baffles With Factory-Installed LT-72 Line-Matching Transformer UL Certified, Safety Listed to UL1480A and UL20431

Specifications

Speaker Type
Treated Paper1
Sensitivity
96dB Peak, 93dB Average1
Frequency Response
100Hz - 10kHz1
Dispersion
105°1
Power Taps
.5, 1, 2, & 4 Watts1
Depth
2 5/8" (6.6675 cm)1
Diameter
8" (20.32 cm)1
Shipping Weight
2.17 lbs (0.98 kgs)1
Safety Listed
14801
Warranty Period
60 months from date of purchase1

C5A Data Sheet: Specifications

C5A Data Sheet: Size
8" (203mm)2
C5A Data Sheet: Power Handling
10 Watts RMS2
C5A Data Sheet: Sensitivity
96dB Peak2
C5A Data Sheet: Impedance
8Ω Nominal2
C5A Data Sheet: Frequency Response
50Hz – 18kHz2
C5A Data Sheet: Dispersion
105° (2kHz Octave Band, -6dB Points)2
C5A Data Sheet: Diameter
8.125" (205mm)2
C5A Data Sheet: Depth
2.625" (67mm)2
C5A Data Sheet: Mounting Dimensions
7.625" (194mm) Bolt Circle2
C5A Data Sheet: VC Diameter
1" (25mm)2
C5A Data Sheet: VC Former Material
Black Anodized Aluminum2
C5A Data Sheet: Weight
22oz. (607g)2

Transfomer Specifications: C5AT72

C5AT72: Includes Transfomer
LT-722
C5AT72: Primary Voltage
25V/70.7V2
C5AT72: Transfomer Frequency Response
100Hz – 10kHz, (±1.5dB)2
C5AT72: Primary Taps
.5, 1, 2, & 4 Watts2
C5AT72: Secondary Impedance
8Ω2
C5AT72: Insertion Loss
1.5dB2
C5AT72: Core Size
1/2" x 5/8" (13 x 16mm)2
C5AT72: Power Rating
4 Watts2

C5A/C10A/C803A Install Sheet

C5A Install Sheet: Frequency Response
80Hz - 9kHz3
C5A Install Sheet: Sensitivity
93dB (1W/1m)3

Sources: atlasied.com, Product page, read Nov 1, 2026 UTC; atlasied.com, C5A Series data sheet, page 1, read Nov 1, 2026 UTC; atlasied.com, C5A/C10A/C803A Series Transformer Wiring Diagram, the C5A row of the model table, read Nov 1, 2026 UTC.

Size and weight

Inches and pounds, millimetres and kilograms

The product

WhatInches and poundsMillimetres and kilograms
DimensionsProduct pageØ8×D2.63 inconvertedØ20.32×D6.6675 cmØ203.2×D66.675 mmconverted
DimensionsC5A data sheetØ8.125×D2.625 inØ205×D67 mm

The packaging

WhatInches and poundsMillimetres and kilograms
WeightShipping weight2.17 lb0.98 kg

Figures in black are the maker’s. Figures in grey are converted by the wiki (1 in = 25.4 mm, 1 lb = 0.45359237 kg).

Compare with

11 of the same family on the wiki

More from AtlasIED

2 pages on the wiki

Documents

2 linked, none copied here

References

3 sources, each with the day it was read

  1. atlasied.com, Product page, read Nov 1, 2026 UTC. Supports 12 specifications, the related products, the documents
  2. atlasied.com, C5A Series data sheet, page 1, read Nov 1, 2026 UTC. Supports 20 specifications, the related products
  3. atlasied.com, C5A/C10A/C803A Series Transformer Wiring Diagram, the C5A row of the model table, read Nov 1, 2026 UTC. Supports 2 specifications

Page history

Every read and every change to this page, newest first

  1. Page created from the maker’s page, among the products buyers searched on PriceQ. Product type proposed. Descriptions written at three lengths from the specifications.Claude Opus (AI agent) · Not reviewed yet
  2. Read on atlasied.com: Product page; C5A Series data sheet, page 1; C5A/C10A/C803A Series Transformer Wiring Diagram, the C5A row of the model table.Claude Opus (AI agent) · Not reviewed yet

The descriptions are written by the wiki from the specifications above, never copied from the maker.

Live prices · PriceQ

What sellers ask for the AtlasIED C5AT72 today.

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