{"product_id":"audac-adc-trm248-b-70-100v-transformer-module-for-vexo112-vexo115-black-version-480w-240w-power-taps","title":"AUDAC TRM248\/B – 70\/100V Transformer Module for VEXO112\/115, Black","description":"\u003ch2\u003eWhat is the AUDAC TRM248\/B 70\/100V transformer module?\u003c\/h2\u003e\u003cp\u003eThe AUDAC TRM248\/B is a 70\/100V line transformer module that converts passive AUDAC VEXO112 and VEXO115 loudspeakers for constant-voltage distributed audio systems. It replaces the loudspeaker's standard backplate with an aluminum backplate carrying a copper toroidal transformer, offering 480 W, 240 W and 120 W taps. The black finish matches black VEXO cabinets in venues, houses of worship, sports facilities and large multi-purpose rooms that run long 70V or 100V speaker lines.\u003c\/p\u003e\u003ch2\u003eHow does the AUDAC TRM248\/B 70\/100V transformer module work?\u003c\/h2\u003e\u003cp\u003e\u003cimg src=\"https:\/\/images.pvs.global\/audac\/products\/TRM-B-1.webp?width=1200\" alt=\"AUDAC TRM248\/B 70\/100V line transformer backplate module in black\" style=\"max-width:100%;height:auto\" loading=\"lazy\"\u003e\u003c\/p\u003e\u003cp\u003eThe TRM series transformers are optional modules for the passive variants of the VEXO series only. Installation is done by removing the original backplate of the loudspeaker and fitting the TRM248 backplate in its place, with the transformer already integrated. This lets a high-performance \u003ca href=\"https:\/\/creationnetworks.net\/products\/audac-adc-vexo112-b-12-2-way-high-performance-loudspeaker-black\"\u003eVEXO112\/B\u003c\/a\u003e or \u003ca href=\"https:\/\/creationnetworks.net\/products\/audac-adc-vexo115-b-15-2-way-high-performance-loudspeaker-black\"\u003eVEXO115\/B\u003c\/a\u003e cabinet run on a 70V or 100V line together with other constant-voltage loudspeakers. At 100 V the module offers 480 W and 240 W taps; at 70 V it offers 480 W, 240 W and 120 W taps, with tap 1 (480 W) available only on 70 V lines. The secondary is 8 Ω to suit the VEXO driver, and the frequency response is 50 Hz – 20 kHz (±3 dB). The amplifier connects to an external 8-pin terminal block, while an internal 2-pin connector links to the loudspeaker. Mounting hardware is included: an M8 x 3.15 in (80 mm) bolt with metal, rubber, flat and spring washers. Drive it from a 70\/100V amplifier such as the AUDAC \u003ca href=\"https:\/\/creationnetworks.net\/products\/audac-adc-pmq240-power-amplifier-4-x-240w-70-100v-optional-dante-ani44xt\"\u003ePMQ240\u003c\/a\u003e. A \u003ca href=\"https:\/\/creationnetworks.net\/products\/audac-adc-trm248-w-70-100v-transformer-module-for-vexo112-vexo115-white-version-480w-240w-power-taps\"\u003ewhite version (TRM248\/W)\u003c\/a\u003e is available for white cabinets.\u003c\/p\u003e\u003ch2\u003eWhat are the key features of the AUDAC TRM248\/B 70\/100V transformer module?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e70\/100V conversion\u003c\/strong\u003e — Lets passive VEXO112 and VEXO115 loudspeakers run on constant-voltage speaker lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree power taps\u003c\/strong\u003e — Selectable 480\/240 W taps at 100 V and 480\/240\/120 W taps at 70 V suit different output levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper toroidal transformer\u003c\/strong\u003e — A toroidal core design passes 50 Hz – 20 kHz (±3 dB).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplate replacement\u003c\/strong\u003e — The transformer is integrated on an aluminum backplate that replaces the standard rear panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal block wiring\u003c\/strong\u003e — An external 8-pin terminal block simplifies field wiring to the amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting hardware included\u003c\/strong\u003e — Ships with an M8 bolt and washer set for installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack finish\u003c\/strong\u003e — Finished in black (RAL9005) to match black VEXO cabinets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-year warranty\u003c\/strong\u003e — AUDAC backs the TRM248 with a 5-year manufacturer warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhere is the AUDAC TRM248\/B 70\/100V transformer module typically used?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAuditorium\u003c\/li\u003e\n\u003cli\u003eHouse of worship\u003c\/li\u003e\n\u003cli\u003eMulti-purpose room\u003c\/li\u003e\n\u003cli\u003eAll-hands room\u003c\/li\u003e\n\u003cli\u003eSporting facilities and large venues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"border-collapse:collapse;width:100%;min-width:300px;table-layout:fixed\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width:44%\"\u003e\n\u003ccol style=\"width:56%\"\u003e\n\u003c\/colgroup\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eTRM248\/B (AUDAC part ADC-TRM248\/B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e70\/100V line transformer module (backplate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eTap 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e10.41 Ω – 100 V: not used \/ 70 V: 480 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eTap 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e20.83 Ω – 100 V: 480 W \/ 70 V: 240 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eTap 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e41.67 Ω – 100 V: 240 W \/ 70 V: 120 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e8 Ω (secondary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eExternal (to amplifier): 8-pin terminal block; internal (to speaker): 2-pin connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eFrequency response (±3 dB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e50 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eAluminum backplate, copper toroidal transformer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eBlack (RAL9005)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eCompatible devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eVEXO112, VEXO115 (passive variants)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eIncluded accessories\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003eM8 x 3.15 in (80 mm) mounting bolt; Ø 3.54 in (90 mm) metal washer; rubber washer; M8 washer; M8 spring washer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;vertical-align:top\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich loudspeakers is the TRM248 compatible with?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eThe VEXO112 and VEXO115, passive variants only. Choose the black module for \u003ca href=\"https:\/\/creationnetworks.net\/products\/audac-adc-vexo112-b-12-2-way-high-performance-loudspeaker-black\"\u003eVEXO112\/B\u003c\/a\u003e or \u003ca href=\"https:\/\/creationnetworks.net\/products\/audac-adc-vexo115-b-15-2-way-high-performance-loudspeaker-black\"\u003eVEXO115\/B\u003c\/a\u003e cabinets.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eHow is it installed?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eRemove the standard backplate from the VEXO loudspeaker and replace it with the TRM248 backplate, which has the transformer integrated. AUDAC provides an installation manual.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhich taps are available?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAt 100 V: 480 W and 240 W. At 70 V: 480 W, 240 W and 120 W. Tap 1 (480 W) is not used on 100 V lines.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat amplifier should I use?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAny 70V or 100V commercial amplifier with enough capacity for the total tapped load, such as the AUDAC \u003ca href=\"https:\/\/creationnetworks.net\/products\/audac-adc-pmq240-power-amplifier-4-x-240w-70-100v-optional-dante-ani44xt\"\u003ePMQ240\u003c\/a\u003e.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDoes it work with active VEXO models?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eNo. AUDAC states the TRM series is for the passive variants of the VEXO series only.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eWhat warranty does it carry?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eAUDAC lists a 5-year manufacturer warranty for the TRM248.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCan Creation Networks help design a 70V system?\u003c\/strong\u003e\u003c\/summary\u003e\u003cp\u003eYes. We calculate tap settings and amplifier loads and install distributed audio systems nationwide. Call (888) 230-3661 or browse the full \u003ca href=\"https:\/\/creationnetworks.net\/collections\/audac\"\u003eAUDAC collection\u003c\/a\u003e.\u003c\/p\u003e\u003c\/details\u003e","brand":"Audac","offers":[{"title":"Default Title","offer_id":68024305025260,"sku":"ADC-TRM248\/B","price":606.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/TRM-B-1_f2399415-ed91-4147-afbd-159898c813f9.webp?v=1793556866","url":"https:\/\/creationnetworks.net\/products\/audac-adc-trm248-b-70-100v-transformer-module-for-vexo112-vexo115-black-version-480w-240w-power-taps","provider":"Creation Networks","version":"1.0","type":"link"}