Atlas Sound AH5040S Volantino

15, 30 & 60 Watt Transformers

Atlas Sound constant-voltage line-matching transformers are designed for use with compression driver type loud-
speakers. All units provide low insertion loss and cost-efficient power handling. (Transformers for cone loudspeakers 
are listed in Section 1, page 21).

T10

  15 watt transformer. 

Primary: 8K, 4K, 2K, 1K, 670, 325, 180, 90, & 45 Ω.  
25 Volt power taps: .3, .6, .9, 1.9, 3.5, 7, & 14 watts. 
70.7 Volt power taps: .65, 1.25, 2.5, 5, 7.5, & 15 watts. 
Secondary: 4, 8, & 16 Ω.

T20

  30 watt transformer.  

Primary: 2500, 1300, 666, 333, 167, 89, & 45 Ω.  
25 Volt power taps: 1.89, 3.7, 7, & 15 watts.  
70.7-Volt power taps: 1.8, 3.7, 7.5, 15, & 30 watts.  
Secondary: 8 Ω.

T18

  60 watt transformer. 

Primary: 2K, 1K, 500, 250, 125, 85, and 45 Ω.  
25 Volt power taps: .3, .6, 1.25, 2.5, 5, 7, & 14 watts 
70.7 Volt power taps: 2.5, 5, 10, 20, 40, & 60 watts.  
Secondary: 4, 8, & 16 Ω.

Cable / Conduit Adapters

Vandal-resistant cover plates for armored cable and conduit connection are designed for use with environment-
resistant, double re-entrant loudspeakers. BX Series mounts standard male threaded pipe with 14 threads per inch. 
Construction is cast aluminum.

BX-1A

APC-30T

BX-2A

AP-15, AP-15T

BX-3A

APF-15, APF-15T

Mounting Accessories

APBK

    Replacement Omni-Purpose

®

 swivel bracket, gray.

FAMT-6

    Mounting ring/adapter allows a 6" cone or APF Series loudspeaker to mount an 8" enclosure and/or grille.

APF Series Baffles, Enclosures & Mounting Rings 

L20-100

     Round grille.  

CRS construction with baked white epoxy finish.  
Mounts 

APF-15 

or 

APF-15T

.  

11" (279 mm) Diameter x 

3

⁄

8

" (10 mm) Deep.

L20-101

    Square grille.  

CRS construction with baked white epoxy finish.  
Mounts 

APF-15

 or 

APF-15T

.  

10

1

⁄

2

" Square (267 mm) x 

3

⁄

16

" (5 mm) Deep.

L20-201

    Recessed 20-gauge.  

CRS enclosure for 

L20-100 

grille.  

Includes combination conduit knockouts for access.  
Undercoated to prevent resonance.  
8

9

⁄

16

" (217 mm) Diameter x 6" (152 mm) Deep.

L20-213

     Square surface enclosure for mounting 

L20-101 

grille.  

Conduit knockouts and mounting holes located in top.  
White epoxy finish.  
10

1

⁄

2

" Square (270 mm) x 6" Deep (152 mm).

L20-220

   Round mounting ring for

 L20-100

 grille. 8

9

⁄

16

" (217 mm) Diameter x 

5

⁄

8

" (16 mm) Deep.

L20-222

   Same as 

L20-220

 with mounting ears for 24" (610 mm) lay-in tile.

193-8(6)

     Cost-efficient enclosure is provided in two depths and furnished with four compound conduit knockouts for 

standard screw-mount baffle installation. Construction is CRS, undercoated and finished in black epoxy.