Specifications
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
? 4 oz. (3 oz. on D7152) 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
? Two 3-Way Fully Variable and Independent Electronic Crossovers
in Top-Mount Configuration with Supplied Plexiglass Security Cover
(Separate Independent Crossover for RCA Outputs)
? 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: 96dB (D7152), 102dB (D7402)
THD: 0.02%
Channel Separation: 80dB
Input Sensitivity: .5 to 12VRMS
Input Impedance: >40kOhms
Power Supply Operating Range: 10 to 16VDC
DIMENSIONS
D7152 Dimensions D7402 Dimensions
Length: 17 3/4" Length: 24 3/4"
Width: 10 5/8" Width: 10 5/8"
Height: 3" Height: 3"
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SYSTEM DIAGRAM 4
Two Channel System with
Three Bridged Amplifiers
D7 two channel amplifier
? Channels 1/2 Highpass & Bridged to a
component set using Front Left RCA and
Rear Left RCA from source unit or EQ
D7 two channel amplifier
? Channels 1/2 Highpass & Bridged to a
component set using Front Right RCA and
Rear Right RCA from source unit or EQ
D7 two channel amplifier
? Channels 1/2 Lowpass using Subwoofer
RCA outputs from source unit or EQ to
a pair of bridged 8 Ohm subwoofers
D7152 and D7402 manual #135.p65 8/30/2002, 2:37 PM1