{"product_id":"edwards-1b3-125-power-amplifier-module-responsive-support","title":"1B3-125 | Edwards 125W Power Amplifier, 25\/70V RMS with 24VDC Backup","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Edwards 1B3-125 is a 125-watt RMS power amplifier designed for use in life safety and emergency communication systems. It supports 25V or 70V RMS output and includes built-in safeguards against overloads and short circuits. With backup power capability and rack-mount design, the 1B3-125 provides reliable audio amplification for critical notification applications.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEdwards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1B3-125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e125 Watts RMS continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25V or 70V RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120\/240 VAC, 50\/60 Hz, or 24–28 VDC optional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackup Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC battery backup supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic overload\/short-circuit protection, thermal overload cutoff (self-restoring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard 19-inch rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 1711, UL 1480, UL 813, ULC listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBroad frequency range with low distortion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Amplifier\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompatible for redundancy against unit failure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLife safety, emergency voice, and mass notification systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (Amplifier)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.25 × 19.00 × 6.61 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (Shipping)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22 × 11 × 8.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.5 lbs (26.5 lbs shipping weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 1B3-125\u003c\/h4\u003e\n\u003cp\u003eThe 1B3-125 is part of the Edwards amplifier series, built for integration into emergency voice and life safety systems. It operates from 120\/240V AC or optional 24–28V DC input and includes automatic 24VDC backup support. The unit features self-restoring electronic protection and thermal overload circuits to maintain continuous operation under demanding conditions. Designed for rack-mount installation, it ensures dependable sound distribution with compatibility for standby amplifier configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Power Output: Delivers 125 watts continuous RMS for reliable performance in critical applications.\u003c\/li\u003e\n\u003cli\u003eDual Output Voltage: Supports 25V or 70V RMS distribution for flexible system integration.\u003c\/li\u003e\n\u003cli\u003eBackup Power: Includes 24 VDC battery backup capability for uninterrupted operation.\u003c\/li\u003e\n\u003cli\u003eBuilt-In Protection: Features self-restoring safeguards against overloads and short circuits.\u003c\/li\u003e\n\u003cli\u003eThermal Overload Safety: Equipped with automatic thermal cutoff to prevent overheating.\u003c\/li\u003e\n\u003cli\u003eRack-Mount Design: Standard 19-inch rack installation for easy system deployment.\u003c\/li\u003e\n\u003cli\u003eCompliance: UL listed under standards 1711, 1480, and 813; ULC listed for additional approval.\u003c\/li\u003e\n\u003cli\u003eLow Distortion \u0026amp; Broad Frequency Response: Ensures clear and accurate audio reproduction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1B3-125 delivers the reliability and precision required for emergency voice communication and life safety audio amplification.\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":50642359648554,"sku":"1B3-125","price":3525.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/1B3-125.jpg?v=1759175751","url":"https:\/\/iqelectro.com\/products\/edwards-1b3-125-power-amplifier-module-responsive-support","provider":"IQElectro","version":"1.0","type":"link"}