Usher Audio > Electronics > R-1.5 Amplifier

Electronics: R-1.5 Amplifier

R-1.5 Amplifier

Pure audio power.
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Description

The R-1.5 amplifier is designed to drive any loudspeaker, producing warm, "tube like" sound quality. It has been constructed with premium parts, including metal film resistors and film capacitors, reinforcing Usher's reputation for high-quality manufacturing. High-power bipolar transistors, designed by Motorola, can handle sophisticated power and current requirements. And its massive AC power transformer works with a high-capacitive filtering system for the purest sound. Other features include Burrow-Brown OPA2134P Sond Plus Series op amps, bridging switch for mono block operation, terminals that accept both banana plugs and spades, optional balanced inputs and large handles on the front and rear panel.

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Additional Info


Usher Products Brochure

Brochure describing the full range of Usher products

Specs
8 Ohm/20Hz-20kHz: 150W(ch)
4 Ohm/20Hz-20kHz: 260W(ch)
Damping factor: >175 (single ended)
Circumgyration: >40V / uS
Power supply (4 Ohm): >16A
Transient power supply: >75A
S/N ratio: 100 dB
Frequency (20Hz-20kHz): +/-0.1dB
Shipping weight 87 lbs/pc
Weight: 82 lbs
Dimension (w x d x h ): 18.9" x 18.9" x 8.9"
Shipping box (w x d x h) 23" x 24" x 14"
Available Finishes
    • Brushed Aluminum
    • Brushed Aluminum
Reviews
R-1.5 - Outstanding Room Award at CES 2006
"Every year I marvel at their demo and this year was no different." 
Stereo Times 
R-1.5
 
Stereo Times 
R-1.5
"This is one very highly recommended contender." 
The Sensible Sound 

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