It's another year and proud to say Chptril is doing my system again, the 4th one! I received pictures last night and want to show the new line of KICKER marine amps. This is an all new line of full-range Class-D marine amps due out this spring KXM400.2 2 chnl, KXM400.4 4 chnl, and the KXM800.5 5 chnl. More pictures and details to follow!
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2013 MLA/KICKER MXZ - NEW Class-D AMPS!
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Here is some more info on the new amps, the key two features for marine installation are the uber-efficient boost converter Class D design, and the VARIABLE sub-sonic filter.
• Conformal Coated Circuit Boards
• ABYC Compliant Power Terminals
• FIT Lab Grade balanced differential inputs
o Best possible noise rejection
o High and low level input capability
o Buffers to each differential input allows for all source unit output imbalances
o F.I.T. accepts output from virtually any source… factory or aftermarket
o Switch selected 12V Remote turn-on, DC Offset or Signal sense
If using DC offset or Signal sense turn-on, trigger connection on amp becomes an output trigger
• Analog control of DSP processing
o Classic round knobs for control settings
• Sealed potentiometers
o For reliability and long life
• Custom tooled power connectors (11 degree angle)
• Smaller mounting footprint
• Great new styling!
• Glass fiber composite end panels
• High mass heat sink… 20% more than the competition
• UV protected heat sink finish
• Double-sided fiberglass circuit boards
• Surface mount technology
• High power density/optimized circuit layout
• Class D – IC technology on KXM400.4, KXM400.2 and KX800.5
o Newest generation compact Class D
o Amplifier and drivers are combined in a single chip providing high efficiency and very small size
• Bandpass capability on multi-channel amps
• Buffered RCA outputs on bass amps
o Compatible with all amplifiers
• High performance Litz wound transformers
o This winding pattern equalizes the proportion of the overall length over which each wire strand is at the outside of the conductor minimizing any possible losses
• Caps and coils are glued to circuit board for strength and vibration isolation
• Board layout designed for optimum audio performance
• Three second turn-on delay prevents noises
• Low operating voltage LED flashes if system voltage drops to 10.5V or less
• Auto-reset protection
o Amp does not have to be re-set by turning system off
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My system is close to being finished and I have pictures coming regularly, so thought I would share more. Here is the build list:
• 4 pair KM6250.2 component sets. Driven on a single KXM400.4 Full-Range Class-D Marine amp @ 100W rms x 4 @ 2 ohm
• Kicker KM6500.2 and additional KM6500 mids for the “6-Pack” driven by a pair of KMX800.5 Full-Range Class-D Marine amps. Each bridged on the full-range chnls for 200W rms to each.
• 15” L7 2 ohm DVC driven by the 2 sub chnls of the KXM800.5 amps. Each 2 ohm voice coil is powered by an amp for a total of 800W to the sub.
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