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30, 40, & 60 Watt Drivers

dependable performance in commercial sound, high-power music and public address loudspeaker systems. Models

are equally suited for application with Atlas Sound projector horns or as replacement drivers for use with standard 1

- 18 male thread horns.

PD-30T

PD-5VT

PD60AT

PD-5VH

YDA-TH

Universal Driver-To-Horn Adapter

YDA-TH. Dual adapter for combining two compression drivers to one sound projector.

(Two 1

30 and 60 Watt Loudspeakers

HLE

transmission of voice and/or electronic signals within explosive or combustible atmospheres and environments.

Drivers and projector horns may be conﬁgured to comply with speciﬁc environment classiﬁcation groups within Class

1 ratings.

transformer (-T) or without. To meet UL Standards for loudspeakers in distributed applications, models with factory-

mounted transformer (-T) must be speciﬁed. Projector horn Model

molded plastic with wide-angle dispersion. Model

sound distribution pattern. Drivers and projector horns are ordered and shipped separately. For performance accuracy,

speciﬁcations are listed for assembled conﬁgurations. All models are equipped with

mounting bracket.

HLE-1 Driver

Model

For Canadian Use: CSA listed product

Proof Electrical Equipment) and Class 3 (Explosion Proof). Please call for details.

Atlas Sound explosion proof speakers meet division 2 criteria.

HLE-1 Driver mounted

to HLE/MLE-30 Horn

* Measured at 1 watt, 1 meter. ** As microphone; re 10 dynes/cm2 *** T versions only

HLE-1 Driver mounted

to HLE/MLE-32 Horn

High-Efficiency Compression Driver Units

Series. Competitively priced compression drivers provide accurate sound reproduction, optimum intelligibility and

Model

Power

Plane Wave

Rating

Frequency Response

PD-30

30 watts

300 Hz – 3.9 kHz ±5 dB

PD-30-16

PD-30T

PD-5VH

40 watts

110 Hz – 4.1 kHz ±5 dB

PD-5VT

40 watts

190 Hz – 4.2 kHz ±5 dB

PD60A

60 watts

300 Hz – 3.7 kHz ±5 dB

PD60AT

* Measured on a plane wave tube at 1 mW

** 30 watts Transformer Power Taps: 70.7V:

1.8, 3.7, 7.5, 15, & 30

⁄

"-18F thread to 1

⁄

"-18M thread)

Explosion-Proof Loudspeakers

and

MLE

Series. These UL and CSA (HLE Models only) listed loudspeakers are speciﬁed for high-efﬁciency

HLE Series

drivers are 60 watts.

HLE/MLE-30

with a mounted driver measures 14" Width x 6" Height x 17

horn with a mounted driver is 16

HLE/MLE-32

Model Combination

Driver

Horn

HLE-1(T)

HLE/MLE-30

913, 1604, 2279

HLE-3(T)

HLE/MLE-30

913, 1604, 2279

MLE-1(T)

HLE/MLE-30

913, 1604, 2279

MLE-3(T)

HLE/MLE-30

913, 1604, 2279

HLE-1(T)

HLE/MLE-32

913, 1604, 2279

HLE-3(T)

HLE/MLE-32

913, 1604, 2279

MLE-1(T)

HLE/MLE-32

913, 1604, 2279

MLE-3(T)

HLE/MLE-32

913, 1604, 2279

Underwriters' Laboratory Listings

Models

Class / Group

HLE-1, MLE-1

Class 1 / Group C & D

HLE-3, MLE-3

Class 1 / Group B, C, D

Low Freq. Limit

Sound Level

@ Full Power

(±5db)

500 Hz

113.6 (avg) 300 Hz – 3.9 kHz

250 Hz

110.7 (avg) 110 Hz – 4.1 kHz

300 Hz

111.2 (avg) 190 Hz – 4.2 kHz

300 Hz

112.7 (avg) 100 Hz – 3.7 kHz

*** 40 watt Transformer Power Taps: 70.7V: 2.5, 5, 10, 20, & 40

**** 60 watt Transformer Power Taps: 70.7V: 2.5, 5, 10, 20, 40, & 60

MLE Series

are 30 watts. Both are offered with an internally mounted line

HLE/MLE-30

HLE/MLE-32

is an all-metal circular reﬂex horn with directional

⁄

" Diameter x 21

(HLE 2

Series) are available in both Class 2 (Explosion Proof and Dust Ignition

Power

Frequency

Sound

Rating

Response

Level*

60 watts

250 Hz – 12 kHz

109 dB

Continuous

108 dB

30 watts

300 Hz – 14 kHz

107 dB

Continuous

106 dB

60 watts

190 Hz – 12 kHz

112 dB

Continuous

111 dB

30 watts

200 Hz – 10 kHz

110 dB

Continuous

110 dB

For Atmosphere Containing

Gas Atmospheres (Including Ethyl, Ether, Gasoline Naptha, Alcohols, Butane, Propane)

Gas Atmospheres (Including Ethyl, Ether, Gasoline Naptha, Alcohols, Butane, Propane), plus Hydrogen, Gas

and Vapor, (Manufactured Gas)

Impedance

8 Ω (Nom.)

16 Ω (Nom.)

***

16 Ω (Nom.)

****

is a reﬂex-type sound projector of

⁄

" conduit access and adjustable

⁄

" Depth.

⁄

" Depth.

Sensitivity**

Disper-

Imped-

sion

ance

-18 dBm

120˚ x 60˚

16 Ω

-21 dBm

120˚ x 60˚

8 Ω

-18 dBm

95˚

16 Ω

-20 dBm

95˚

8 Ω

AtlasSound.com

⁄

Internal

Transformer

60 watts

(Model T-18)

30 watts

(Model T-20)

60 watts

(Model T-18)

30 watts

(Model T-20)