View Full Version : DIAMOND AUDIO - D7056 - Reference Amp

07-23-2012, 06:24 PM
Item(s) for Sale: Diamond Audio D7056 - D7 Series 6-Channel Amplifier

Item(s) Description/Condition: USED. Great working condition. Some scratches on the metal enclosure (SEE PICS).


• 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

• 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

Frequency Response: 3 – 50,000 Hz 102dB
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

D7056 Dimensions
Length: 22 3/4"
Width: 10 5/8"
Height: 3"

I have a PDF on this amp with more info about it's capabilities and different setups. However, it won't let me link to Mediafire here and the upload manager rejects it (Too big of a file?)

Price: $350 - Shipped within Continental USA. This amp retailed $1599 when new. If you've ever heard this amp you understand why.

Shipping and Miscellaneous Item Information: Included in Price

Item Pictures:

07-23-2012, 06:32 PM
that is one **** amp :yumyum: wish i had the monies for it, glws!

07-23-2012, 06:35 PM
that is one **** amp :yumyum: wish i had the monies for it, glws!

Oh yes it is! I don't want to get rid of it, but I'm looking to sell to pay for a new guitar amp.


07-23-2012, 06:51 PM
Very interested. Will be Pming when I get home

07-29-2012, 02:56 PM

07-29-2012, 10:10 PM
any interest in trading for a memphis big belle?

08-01-2012, 01:21 AM
any interest in trading for a memphis big belle?
Sorry, looking for cash only. Thanks for your interest though!

08-15-2012, 11:31 AM
Sold! On another, slightly more evil site.