TRANSFORMERS AND ACCESSORIES FOR COMPRESSION DRIVERS

T-10 T-11 T-18 T-20 BX-1A BX-2A BX-3A AD-17 L20-100 Shown with APF15T and BX-3 L20-101 Shown with APF-15T L20-201 L-20-221 L-20-213 L-20-220 L-20-221 L-20-223 L-20-224 FAMT-6

15,30, AND 60-WATT TRANSFORMERS

Atlas/Soundolier constant-voltage line-matching transformers are designed for use with compression driver type loudspeakers. U.S. made for dependable performance and service reliability, all units provide tow insertion loss and cost-efficient power handling. (Transformers for cone loudspeakers are listed in Section 1.)

T-10. 15-watt transformer includes external "power reminder" indicator to reference the power setting in use. Primary: 8K, 4K, 2K, 1K, 670, 325, 180, 90 and 45 ohms. 70.7-Volt taps: .65, 1.25, 2.5, 5, 7.5, 15. Secondary: 4, 8 and 16 ohms.

T-11. 15-watt transformer in weatherproof housing. Specifications are the same as Model T-10.

T-18. 60-watt transformer without weatherproof housing. Primary: 2K, 1K, 500, 250, 125, 85 and 45 ohms. 70.7-Volt power taps: 2.5, 5, 10, 20, 40, 60. Secondary: 4, 8 and 16 ohms.

T-20. 30-watt transformer. Primary: 2500, 1300, 666, 333, 167, 89 and 45 ohms. 25-Volt power taps: 1.89, 3.7, 7 and 15. 70.7-Volt power taps: 1.8, 3.7, 7.5, 15 and 30. Secondary: 8 ohms.

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.

MOUNTING ACCESSORIES

AD-17. Adapter for installing loudspeakers with Omni-Purpose^® mounting bracket to1/2 '' diameter pipe thread.

APBK. Replacement swivel assembly for Omni-Purpose^® bracket, grey.

APBK-S. Replacement swivel assembly for Omni-Purpose^® bracket, sand.

MK-2. Mounting kit for installation of APF Series flange loudspeakers to 8" diameter loudspeaker baffles.

APF SERIES BAFFLES, ENCLOSURES & MOUNTING RINGS

L20-100. Round grille. CRS construction with baked white epoxy finish. Mounts APF-15 or APF-15T. 11" (279mm) Dia. x3/8" (10mm) Deep.

L20-101. Square grille. CRS construction with baked white epoxy finish. Mounts APF-15 or APF-15T. 10-1/2" Sq. (267mm) x 3/16'' (5mm) Deep.

L20-201. Recessed 20-ga. CRS enclosure for L20-100 grille. Includes combination conduit knockouts for access. Undercoated to prevent resonance. 8 9/16" (217mm) Dia. x 6" (152mm) Deep.

L20-211. 20-ga. CRS square enclosure for recessed L20-101 grille. Four combination conduit knockouts. Undercoated to prevent resonance. 9 5/18" Sq. (244mm) x 6" (152mm) Deep. Baked epoxy finish.

L20-213. Square surface enclosure for mounting L20-101 grille. Conduit knockouts and mounting holes located in top. Finished in baked white epoxy. 101/2" Sq. (270mm) x 6" (152mm) Deep.

L20-220. Round mounting ring for L20-100 grille, 8-6/16" (217mm) Dia. x 5/8" (16mm) Deep.

L20-221. Same as L20-220 with mounting ears for 16" (406mm) stud centers.

L20-222. Same as L20-220 with mounting ears for 24" (610mm) lay-in tile.

L20-223. Square mounting frame for L20-101 grille. 9-3/8" Sq. (238mm) x1/2" (13mm) Deep.

L20-224. Same as L20-223 with mounting ears for 16" (406mm) stud centers.

L20-225. Same as L20-223 with mounting ears for 24" (610mm) lay-in tile.

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