The Reference Series Amplifier is built using true Audiophile components. Critical MASS amplifiers are manufactured and tested to meet the highest component quality and control standards. Engineered to provide decades of musical enjoyment when installed and operated correctly. Critical MASS is a Car Audio company whose Super-Fi electronics have made innovation history in the world of high-end mobile sound ever since the early 1990s. Critical Mass was formed from the World's First Car Audio and Enhancement school by one of Car Audio's first innovators and most influential people in our industry who started the world's first Car Audio and enhancement school back in the late 1980s "CMA", from this school Critical MASS was started in Orlando, FL, in 1990. Till this day parts of the technical principles and teachings of our school are used industry wide in Mobile Electronics teachings and books by associations such as MERA and CEA. Over the past 20 years Critical MASS has continued to innovate and now we have been leading the way to max performance hi-fi on the road with our $259,000 CES-5.1 one of a kind Esoteric ESL sound system. Not only does Critical MASS make the Best and most expensive car audio system in the world, but this system (which integrates ELS Series amplifiers) is so good, that when Car Audio Magazine tested the least expensive part of our $259,000 ESL system "the UL12" called it the Perfect Sub", and "the BEST" and added that it was so good that he would sell a few things, to own one because it's worth every dollar! In addition, the Critical MASS UL12 was rated #1 over all others by Car Audio Magazine, including companies such as JL Audio, Image Dynamics, Alpine, Xtant, Kicker, Arc Audio, MB Quart, Digital Designs, Cerwin-Vega, Orion, Phoenix Gold Earthquake etc... In other words, imagine how good the rest of the system must sound if the least expensive pa rt of it is the world's BEST? You will not have to imagine much longer as you just purchased a Critical MASS amplifier. This Critical MASS Hi-Res Audio RSS4C Reference SS Amplifier uses a Class A/B designed heavily biased towards Class A at lower power levels, and eventually turns full A/B at full power. This is done to provide the sweet warm sound of yesteryears Tube and SQ Class A amplifiers with the efficiency of Class A/B. Although this design is slightly less efficient than traditional A/B amplifiers it’s way more efficient than Class A. This design is not only extremely powerful with plenty of dynamic headroom but sounds far superior compared to Class D and top-tier Class A/B designs. This Reference SS Amplifier is the perfect mix of top-tier sound quality efficiency and price. Pair with our Hi-Res Audio compatible speakers for an amazing audio experience. (See examples in manual). Representing Critical MASS’s most affordable amplifier line the Reference SS line ofAmplifiers makes no compromises at an attainable price level with sound quality that will impress even the sternest Audiophiles.
REFERENCE SS Class 4ch Hi-Res Audio RSS4C amplifier features
Hi-Res Audio
1.5-ohm native stability. 1.5ohm min per channel (3 -ohm when bridged)
High-Low Pass Crossovers on all channels
Crossover compatible for active 3-way kits (see manual)
Audiophile grade input with 8V - 0.1V Gain volume Min - Max
Audiophile Grade potentiometers and audio components
Audiophile tolerances for pure and exact audio reproduction
at all volume levels throughout the entire audio bandwidth
Advance Thermal Protection
Advanced Short Circuit Protection
Advanced Overload Protection
DC offset Protection
High Voltage Protection
Low Voltage Protection
Low impedance protection under 1.3 ohms
Double Sided PCB
Double Sided SMD
Premium plated isolation terminals
5Hz-50KHz bandwidth
Specifications:
Load all channels driven 4 ohms @ 1% THD = 150W x 4, 14.6V DC, Test signal: 1KHz
High pass variable crossover
(50Hz-800Hz at 12 dB/OCT
Low pass variable crossover
(50Hz-800Hz at 12dB/OCT
Input sensitivity 100mV~8V
Input impedance 60K Ω
Damping factor >680
S/N Ratio 106db
RMS continuous output >1% THD
BRIDGED
3 ohms bridged x 2 750W x 2 continuous output
4 ohms bridged x 2 500W x 2 continuous output
STEREO ALL CHANNELS DRIVEN
1.5 ohms all channels driven 375W x 4 continuous output
2 ohms all channels driven 250W x 4 continuous output
Total Dynamic usable headroom over 2000W
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