Rogue Audio RA-1 Stereo Solid State Power Amplifier

Rogue Audio RA-1 Stereo Solid State Power Amplifier Reference-grade solid state power amplifier • advanced UcD Hypex output modules • massive linear power supply • bridgeable mono/stereo operation • 175W/275W into 8/4 Ohms The Rogue Audio RA-1 Stereo Solid State Power Amplifier marks an exciting evolution in Rogue Audio's engineering legacy, delivering reference-quality musical performance in a purely solid-state, energy-efficient "green" design. Expanding on more than a decade of proven expertise extracting world-class sound from Class D architecture, the Rogue Audio RA-1 Stereo Solid State Power Amplifier combines ultra-accurate, powerful UcD Hypex amplifier modules with a massive, audiophile-grade linear power supply. Delivering an authoritative 175 watts per channel into 8 Ohms and 275 watts per channel into 4 Ohms, this amplifier provides unconstrained dynamic power, effortless transient speed, and pitch-perfect musicality without the regular maintenance or tube biasing of thermionic designs. Built into a compact 3/4-size chassis with a precision-machined aluminum faceplate, the Rogue Audio RA-1 Stereo Solid State Power Amplifier features both balanced XLR and single-ended RCA inputs, 12V remote trigger integration, and bridgeable architecture for maximum versatility. Proudly designed and handcrafted in Brodheadsville, Pennsylvania, the Rogue Audio RA-1 Stereo Solid State Power Amplifier establishes an unrivaled benchmark in American-made amplification value. Key Features & Innovations Accurate & Powerful UcD Hypex Modules — the Rogue Audio RA-1 Stereo Solid State Power Amplifier utilizes high-performance UcD Class D modules to achieve vanishingly low distortion, linear frequency response, and superb damping. Massive Linear Power Supply — engineered with an oversized custom toroidal transformer and heavy capacitor reserves to ensure clean, dynamic current reserves during demanding musical passages. Bridgeable Stereo Architecture — effortlessly switchable between standard high-current two-channel stereo operation and bridged mono mode for immense single-channel output. Balanced & Single-Ended Inputs — equipped with studio-grade balanced XLR inputs and gold-plated single-ended RCA inputs, selectable via rear-panel toggle switches. Heavy 2-Ounce Copper Circuit Boards — premium audiophile PCB layout built with thick 2-ounce copper traces, standby circuitry for reduced warm-up time, and short-circuit protection. Handcrafted in the USA — machined aluminum faceplate, all-precision internal components, and individually burned-in, tested, and auditioned prior to shipment. FAQ — Rogue Audio RA-1 Does this amplifier use vacuum tubes? No. The Rogue Audio RA-1 Stereo Solid State Power Amplifier is entirely solid-state, featuring an energy-efficient design that requires zero tube replacements or bias adjustments. Can the RA-1 be used as a monoblock amplifier? Yes. The rear panel includes a dedicated Stereo / Bridged switch allowing you to bridge the amplifier into a high-powered monoblock to drive demanding loudspeakers. What inputs are available on the back panel? The amplifier is equipped with both balanced XLR and unbalanced RCA line inputs, selectable via rear-panel toggle switches for each channel. Does it support automatic system power-on? Yes. A 12V trigger input jack is integrated on the rear panel, enabling compatible preamplifiers or control systems to power the RA-1 on and off automatically. Why Buy From Us Authorized Rogue Audio dealer offering 100% factory-authentic American-made components with full manufacturer warranty Hi-Fi audio specialists available to assist with preamplifier matching, balanced interconnect selection, and loudspeaker pairing Dedicated post-purchase technical support for system configuration and setup Fast, secure, and insured shipping in reinforced original factory packaging Related & System Matches Rogue Audio Tube and Solid-State Preamplifiers Audiophile balanced XLR and single-ended RCA interconnect cables High-current audiophile IEC power cables High-performance floorstanding and standmount loudspeakers RA-1 Specs Product Type Solid-State Stereo / Bridgeable Power Amplifier Amplifier Modules Accurate Powerful UcD Hypex Modules Power Supply Massive Linear Power Supply with Toroidal Transformer Output Power (8 Ohms) 175 WPC RMS Output Power (4 Ohms) 275 WPC RMS Frequency Response 5 Hz – 30 kHz ± 1 dB Total Harmonic Distortion (THD) <0.1% typical, <1.0% at rated power Input Sensitivity 1.0V RMS Input Impedance 47k Ohms Inputs Balanced XLR (Pair), Single-Ended RCA (Pair), 12V Trigger Input Outputs Heavy-Duty Gold-Plated Binding Posts (Stereo / Bridged Mono) Chassis Size / Build Compact 3/4-Size Chassis with Machined Aluminum Faceplate Circuit Board Heavy 2-Ounce Copper PCB with Precision Components Power Requirements 120V / 240V – 50/60 Hz Dimensions (W x D x H) 15.25" x 14.5" x 5.0" (387 mm x 368 mm x 127 mm) Product Weight 26.0 lbs (11.8 kg) Warranty 3-Year Limited Electronics Warranty What’s in the Box Rogue Audio RA-1 Stereo Solid State Power Amplifier Heavy-duty IEC power cord Owner's manual & warranty documentation