There are moments in high-end audio that define the absolute state of the art. The Audio Research Reference 10 is such a moment. This is not merely a preamplifier; it is a definitive statement, a magnificent two-chassis instrument engineered to be a completely transparent window to the original performance. By completely separating the massive, tube-regulated power supply from the all-tube audio circuit, the REF 10 achieves a level of purity, silence, and dynamic freedom that is simply unattainable in a single-box design. Controlled by a stunning touchscreen interface and featuring a breathtakingly large vacuum-tube signal path, the Reference 10 is the ultimate control center for the listener who seeks not just to hear the music, but to be completely immersed within it. Key Features Two-Chassis Reference Design: A separate, full-size chassis for the power supply completely isolates the audio circuit from all electrical and mechanical noise, creating an unprecedentedly black background. Touchscreen Command Center: A beautiful 7-inch front-panel touchscreen provides intuitive, complete control over all functions, including input selection, volume, balance, and system information. Massive All-Tube Signal Path: The audio circuit features a staggering ten 6H30 vacuum tubes (five per channel) in a pure Class-A, fully balanced, zero-feedback configuration. Tube-Regulated Power Supply: The separate power supply chassis features its own 6550WE and 6H30 tubes for vacuum-tube regulation, ensuring the purest possible power for the audio stage. True Dual-Mono Audio Circuit: The audio chassis features a true dual-mono design, including dual power transformers, for the ultimate in channel separation and stereo imaging. Comprehensive Connectivity: A vast array of inputs, including six balanced (XLR) and two single-ended (RCA), plus a processor pass-through for home theater integration. Flexible Outputs: Features two main outputs and a record out, each provided in both balanced (XLR) and single-ended (RCA) formats. Built-in Tube Hour Meter: An integrated timer on the touchscreen display tracks the usage of the vacuum tubes. The Pinnacle of ARC Build Quality: Two matching, full-size chassis, handcrafted in Minnesota, USA, represent the ultimate expression of Audio Research design and construction. The Purity of Separation The Reference 10’s two-chassis design is the ultimate expression of high-fidelity principles. By placing the massive power transformers and complex, tube-regulated circuits in an entirely separate, full-size chassis, any potential for electrical or mechanical interference with the delicate audio signal is eliminated. This complete isolation creates a profoundly silent background, allowing the audio circuit to amplify the signal with a level of purity and clarity that reveals the finest, most subtle details in a recording. The result is a soundstage of breathtaking scale and focus, where music emerges from a void of pure blackness. The Touch of Command Interacting with the Reference 10 is as luxurious as listening to it. All setup and operational controls are accessed via a beautiful and intuitive 7-inch touchscreen on the front of the power supply unit. From this command center, you can effortlessly select from the eight inputs, precisely adjust volume and balance, customize input names, and monitor tube hours. This elegant, modern interface removes all guesswork and provides immediate, comprehensive control over the most advanced line-stage preamplifier in the world. An Ocean of Tubes The audio chassis of the REF 10 is a testament to Audio Research's absolute mastery of vacuum tube design. The massive, fully balanced, pure Class-A circuit employs ten 6H30 dual-triode tubes—five per channel—to handle the signal. This no-compromise, dual-mono approach ensures a sound that is dynamically explosive, harmonically complete, and dimensionally holographic. The dedication to tube purity extends even to the power supply, which uses its own 6550WE and 6H30 tubes for regulation, ensuring that the audio circuit is fed the cleanest, most stable power imaginable. A Statement in Craftsmanship The Reference 10 is the pinnacle of Audio Research's five-decade legacy of craftsmanship. Each of the two massive chassis is meticulously assembled by hand in Minnesota, USA, undergoing the most rigorous testing and quality control. The flawless finish of the classic brushed aluminum faceplates and the robust, anti-resonant construction are a testament to its "built-for-a-lifetime" philosophy. This is not simply a component; it is an heirloom-quality instrument designed to be the unchanging, authoritative heart of a world-class audio system for generations to come. The Listening Room Difference When you shop with The Listening Room, you get more than just gear. As a third-generation, family-run business with a passion for music and decades of experience, we offer personalized service that goes far beyond the sale. Call, text, or email, and you’ll get a real human who knows this equipment inside and out. From in-store demos to curated home system design and wide-radius delivery, we’re here to help you get the absolute best out of your purchase. Specifications Specification Value Frequency Response +0 -3dB 0.1Hz to 200kHz at rated output.(BALANCED, 200k ohms load.) Distortion Less than .006% at 2V RMS Balanced output Gain Main output (SE or BAL input)12dB Balanced output,6dB Single Ended output. Tape output: 0dB.(Processor input: 0dB Balanced) Input Impedance 120K ohms Balanced, 60K ohms SE,Inputs (7): 1, 2, 3, 4, 5, 6, PROCESSOR.(XLR and RCA connectors). Output Impedance 600 ohms Balanced, 300 ohms SE main (2),20K ohms minimum load and 2000pF maximum capacitance. Outputs (3): 2 main, 1 tape(XLR and RCA connectors). Output Polarity Non-inverting Maximum Input 20V RMS maximum Balanced, (10V RMS SE) Rated Outputs 2V RMS (1V RMS SE) into 200K ohm balanced load (maximum balanced output capability is 30V RMS at less than 0.5% THD at 1kHz) Crosstalk -80dB or better at 1kHz Controls Volume (104 steps). Push Buttons: Power, Mute, Interactive Touch Panel. Rear RS-232 control and IR input Power Supplies Electronically regulated low and high voltage supplies. Automatic 40 sec. warm-up/brown-out mute.Line regulation better than .01%. Noise 1.7uV RMS residual IHF weighted balanced equivalent input noise with volume at 1 (109dB below 2V RMS output.) Tube Complement (8)-6H30P dual triodes, plus (2 each) 6550C and 6H30P in power supply Power Requirements 100-135VAC 60Hz (200-270VAC 50/60Hz) 235 watts maximum. Standby 0.8 watts. Dimensions Width 19” (48 cm); Height 7” (17.8 cm) (standard rack panel) Weight The audio chassis weighs 23.6 lbs (10.7 kg) net and 33.3 lbs (15.1 kg) shipping. The power supply chassis weighs 37.65 lbs (17.07 kg) net and 47.35 lbs (21.48 kg) shipping.
