pics of my diamond audio d7 amp...
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Joined: Feb 2002
Posts: 2,242
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From: Moore, Oklahoma, US
Rep Power: 317 

Here are the specs for the amp, for anyone that cares:
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
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
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