Alphasonik MAYHEM 900 Series, Owner'S Manual

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All Alphasonik 900 Series cast basket subwoofers feature our patent pending input and output terminals.
Configure voice coils or drivers in series or parallel with no fuss and no cramped or frayed wires.
Terminals are audiophile grade nickel-plated, machined brass – compression fit with Allen head setscrews
PROPRIETARY HEAT SINK
Alphasonik 900 Series subwoofers have motor structures encased in patent , cast aluminum,
machine finished heat sinks. Power handling is enhanced because excess heat is quickly absorbed
and transferred to the environment.
CARBON FIBER, KEVLAR® CONE WITH ALUMINUM DUST CAP
Alphasonik 900 Series subwoofers use our Ultra Light dual layer Carbon Fiber Cone with a Aluminum
dust cone.
HIGH TENSILE STRENGTHDUAL LAYER SURROUND
Alphasonik 900 Series subwoofers feature a massive 2-layer, high-travel surround for reliability and
control at maximum excursion
PSW912
12” ALPHA 900 SERIES SUBWOOFER
Proprietary Cast Aluminum Alloy Machine Cut “Alpha” Basket
Proprietary Cooling Rings for Motor Assembly (Patented)
Kevlar® Reinforced Composite Balanced & Laminated Cone
High Tensile Strength Two-Layer Surround for Enhanced Control
Flat Progressive Rate Nomex® Damper w/ Spiral-Woven Leads
200 oz. Triple Stack Magnet
Rated at 2200 Watts RMS
93dB Efficiency
Frequency Response of 24Hz to 700Hz
Dual 2 ohm 3” Voice Coils
8-Gauge Sure-Lok Input and Output Terminals (Patented)
Mounting Dimensions
Depth: 222mm / 8 3/4”Through Hole: 276mm / 10 7/8” Diameter: 312mm / 12 5/16”
PSW915
15” ALPHA 900 SERIES SUBWOOFER
Proprietary Cast Aluminum Alloy Machine Cut “Alpha” Basket
Proprietary Cooling Rings for Motor Assembly (Patented)
Kevlar® Reinforced Composite Balanced & Laminated Cone
High Tensile Strength Two-Layer Surround for Enhanced Control
Flat Progressive Rate Nomex® Damper w/ Spiral-Woven Leads
200 oz. Triple Stack Magnet
Rated at 2500 Watts RMS
98dB Efficiency
Frequency Response of 20Hz to 700Hz
Dual 2 ohm 3” Voice Coils
8-Gauge Sure-Lok Input and Output Terminals (Patented)
Mounting Dimensions
Depth: 247.65mm / 9 3/4”Through Hole: 361.95mm / 14 1/4” Diameter: 390.53mm / 15 3/8”