Ultra Series Amplifier Features:

Audiophile quality performance and sound

High current power supply

Low noise toroidal power transformer

Advanced microprocessor operating system

Complementary, discrete power amplifier design incorporating high current, high speed, On Semiconductor power devices

Channel status indicators for standby, operate, and fault

12 volt trigger connections

Completely stable into 4 ohm loads

Signal to Noise Ratio is greater than 100dB, unweighted ref. full output

THD .03% at rated power, 20Hz – 20kHz

Fully protected from all fault conditions

Soft start circuitry

External trigger turn on

Soft touch power switch

Heavy duty, rack standardized chassis w/ solid milled aluminum faceplate

IEC power inlet, 115/230 VAC Auto configurable

Power Rating Note: ‘Peak’ vs. ‘Continuous’

Many companies will rate an amplifier with only one or two channels driven under load, which results in reporting inflated power output.. In real life, this will drop significantly when all channels are driven. This is called ‘peak’ power conditions (Peak Music Power Output, or PMPO). ‘Peak power’ represents the maximum amount of power that an amplifier/receiver can deliver without being damaged. Ratings are performed this way for the sole reason of exaggerating the perceived power of the product, and during normal use, the actual practical power output is much lower than the claimed ‘peak’ rating. Sometimes these ratings are also performed at 10% THD, even thought the industry accepted level is 1.0% THD. This practice has led many people to seek higher and higher levels of power in amplifiers because they misunderstand the difference between ‘peak’ and ‘continuous’ power.

All Emotiva amplifiers are rated for continuous power, tested with all channels driven simultaneously. We at do not play games with the specifications, and test all of our amplifiers to industry standard test conditions with the amplifier put under the strictest loads. This means that the power output and other specifications listed are the bare minimum (or worst case scenario) you will receive from our amplifiers. Under normal circumstances you will get much higher output then what is rated.

The bottom line is this: These amplifiers are powerful, and can give you control over your sound in ways a receiver could never come close to. We’re proud to offer amazing performance to match the amazing value of the Ultra Series amplifiers.

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Emotiva UPA-5, UPA-1 manual Ultra Series Amplifier Features, Power Rating Note ‘Peak’ vs. ‘Continuous’