1
FEATURES
TECHNICAL
? Symmetrical Topology, Fully Regulated, Triple-Split-Rail Power Supply
? Isolated Input Section Utilizing “Quasi-Differential”
Instrumentation Amplifier Technology
? Up to 12VRMS Input Signal Voltage Capability (with -12dB Attenuator)
? Third-Order 18dB/Octave Butterworth Crossover Topology
? Wide Bandwidth/Low Distortion Symmetrical Gain Output Stage
? 3 oz. Gold Plated Copper Circuit Board
? High Efficiency Forced-Air Cooling System
? Massive 3-Piece Proprietary Heatsink
? Solid Copper High-Current Power Distribution Busbars
CONVENIENCE/ APPEARANCE
? Three 3-Way Fully Variable And Independent Electronic Crossovers
in Top-Mount Configuration With Supplied Plexiglass Security Cover
? Assignable Crossover Inputs
? 24-Karat Gold Plated Solid Brass Circuit Board Mounted 4 Gauge
Direct or Ring Terminal Power/Ground Connector Blocks
? 24-Karat Gold Plated Solid Brass Circuit Board Mounted 10 Gauge Direct
or Banana Plug Direct Speaker Connectors
? Tinted Plexiglas Circuit Board Viewing Panel
? Solid Billet CNC Machined End Panels with Adjustable
Mounting Flanges
SPECIFICATIONS
Frequency Response: 3 – 50,000 Hz
Signal-to-Noise Ratio: 102dB
THD: 0.02%
Channel Separation: 80dB
Input Sensitivity: .5 to 12VRMS
Input Impedance: >40kOhms
Power Supply Operating Range: 10 to 16VDC
DIMENSIONS
D7056 Dimensions
Length: 22 3/4"
Width: 10 5/8"
Height: 3"
20
SYSTEM DIAGRAM 4
Four Channel Fully Active
System with Subwoofers
D7 six channel amplifier
? Front RCA outputs of source to
channels 1/2 Highpass to tweeters
? Channel 3/4 INPUT SELECT button “IN”
? Channels 3/4 Bandpass to midrange drivers
? Rear RCA outputs of source to channels 5/6
Highpass to rear fill coaxial components
D7 2 channel amplifier
? Subwoofer RCA outputs of source
to channels 1/2 Lowpass to a pair of
bridged 8 Ohm subwoofers
