Line Stage Gain Module: The Argo employs the same core preamplification circuit found in all other Constellation Audio products: our Line Stage Gain Module, which employs servo circuits and hand-selected field-effect transistors (FETs) to achieve an essentially perfect balance between the positive and negative halves of the audio signal. In the Argo, this signal travels directly into the power amplifier circuitry with no additional gain stage needed, just as in a system employing our separate amps and preamps. The result is musicality that is truly incredible not only for an integrated amplifier, but for any audio component. Home theater bypass: We know that two-channel music systems sometimes have to serve as part of a home theater surround-sound system. The Argo's home theater bypass function allows it to serve as the amplifier for the front left and right speakers of a home theater system without compromising two-channel sound quality in any way. Custom-wound toroidal transformer with dual-mono power supply filtration: The Argo's integral power supply starts with a custom-wound toroidal transformer. From there, AC power travels into separate storage capacitors, rectifiers and voltage regulators for each channel. Thus, heavy demands on one channel do not influence the performance of the other channel. Exclusive balanced bridged amplifier circuitry: The Argo's power amplification is constructed from the same single-ended, 125-watt circuit schematic used for Constellation Audio's Hercules II and Centaur power amplifiers. While the Argo cannot match the power and dynamics of those larger amplifiers, its transparency, musicality and sound are fundamentally the same. Optional USB DAC and phono preamp modules: Two ports in the back of the Argo accommodate optional digital-to-analog converter and phono preamp modules, making the Argo an all-in-one audio entertainment component. Just add speakers. Thick 8.2mm metal components for superior shielding: Key chassis components in the Argo are machined from solid slabs of aluminum to a minimum thickness of 8.2mm, which is necessary to block 50/60 Hz electromagnetic interference from household wiring and appliances. With interference blocked, every smallest detail of the music is free to pass through. Integral headphone amplifier: The Argo offers a feature as yet found in no other Constellation Audio component: a headphone amplifier capable of driving any dynamic or planar-magnetic headphone to live-concert levels without the slightest hint of dynamic compression-even with the most insensitive, hard-to-drive headphones. XLR balanced line output: If you someday decide to upgrade to a larger amplifier, the Argo is ready-the back panel has a stereo XLR balanced output, suitable to driver the Constellation Audio Hercules II and Centaur amps (or any other high-quality power amp). Front-panel touchscreen control system: Through a 432 x 230-pixel front touchscreen, the Argo provides instant access to its advanced features without cluttering up the unit with unneeded physical switches. Machined aluminum remote control: The Argo's striking industrial design is complemented by an equally striking remote control, machined from aluminum to complement the Argo's looks. The remote's hefty feel and ergonomic design help make the Argo sheer pleasure to use. Specifications:- Inputs 2 XLR, 2 RCA, USB (for service and control systems), 3.5mm jack for 12-volt trigger Outputs Argento Clamps speaker cable connectors, XLR balanced line-level, 1/4-inch/6.2mm headphone jack Power output, 8Ω (1 kHz @ 1% THD+N) 125 watts Power output, 4Ω (1 kHz @ 1% THD+N) 230 watts Frequency response 10 Hz to 200 kHz, +0.5/-0.25 dB Gain 38.6 dB Volume control resolution 0.5 dB steps from 0 dB to -99.5 dBFS THD+N (1 kHz @ 25W into 8Ω) 0.005% Output impedance 0.08Ω Damping factor (8Ω load) 100 Input impedance 20KΩ unbalanced, 40KΩ balanced Output noise -83 dB A-weighted Weight 40 lbs Dimensions 5.5"/140mm x 17"/432mm x 15.75"/400mm (hwd)
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