background image

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, Double Sided Glass-Epoxy Circuit Board

?

High Efficiency Intelligent Thermal Management Protection System

?

Massive 3-Piece Proprietary Heatsink

?

Solid Copper High-Current Power Distribution Busbars (and Speaker
Ground on D7104)

CONVENIENCE / APPEARANCE

?

Three 3-Way Fully Variable and Independent Electronic Crossovers
in Top-Mount Configuration with Supplied Plexiglas Security Cover
(Separate Independent Crossover for RCA Outputs)

?

Input-Assignable,  Crossover Output RCA Jacks

?

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 & DIMENSIONS

Frequency Response:

3 – 50,000 Hz

Signal-to-Noise Ratio:

100dB (D7054), 102dB (D7104)

THD:

0.02%

Channel Separation:

80dB

Input Sensitivity:

.5 to 12VRMS

Input Impedance:

>40kOhms

Power Supply Operating Range:

10 to 16VDC

D7054 Dimensions

D7104 Dimensions

Length: 19 1/2"

Length:

24 3/4"

Width:

10 5/8"

Width:

10 5/8"

Height:

3"

Height:

3"

20

SYSTEM DIAGRAM 4

4 Channel System with

Bridged 2 Channel Amplifier for Subwoofers

D7 four channel amplifier

?

Channels 1/2 Highpass to a component set

?

Channels 3/4 Highpass to rear fill coaxial speakers

?

AUX. OUT: Full-range to a 2 channel amplifier

D7 two channel amplifier

?

Channels 1/2 Lowpass to a pair
of bridged 8 Ohm subwoofers

Summary of Contents for D7054

Page 1: ...ility D7 CROSSOVER FREQUENCIES Diamond Audio D7 Professional Reference Series Amplifiers feature fully variable crossovers The frequency control knobs located in the tray on the top of the amplifier are labeled 50Hz when the knob is rotated fully counter clockwise left and 5kHz when rotated fully clockwise right To make basic setting of the crossover frequencies a little easier we ve come up with ...

Page 2: ...down the security cover using the Allen key provided When reinstalling the cover be careful not to overtighten the screws Damage to the cover may result 12 RCA INPUTS AND OUTPUTS As seen in the above drawing the function of the RCA inputs outputs and feature buttons are as follows CH 1 2 INPUT The RCA cables from your source unit should be inserted here 12dB BUTTON CH 1 2 To the right of the CH 1 ...

Page 3: ...nel D7 amplifiers also provide a separate fully independent crossover for the output RCA jacks providing filter control of any other amplifier 13 THERMAL MANAGEMENT SYSTEM All D7 Professional Reference Series Amplifiers feature our Intelligent Thermal Management System All amplifiers feature one or two depending on model internally mounted temperature controlled cooling fans Care should be taken t...

Page 4: ... own efficient reliable and constantly available source of energy When the engine is stopped the battery is the vehicle s energy source When the engine is running the alternator is the on board electricity generating plant It is the job of the alternator to supply power to all current consuming loads including the audio system Alternator output battery capacity and power demand of all electrical l...

Page 5: ... or if you are not sure if your vehicle s charging system needs to be upgraded consult your Authorized Diamond Audio Dealer They will be happy to set you up with everything necessary for you to enjoy a listening experience in your vehicle without equal BASIC TROUBLESHOOTING 1 Amplifier has no output Is LED located on power ground endpanel lit Yes Make sure audio signal is present at RCA inputs If ...

Page 6: ...d into the ground distribution block and tighten the Allen screw Insert the other end of the cable into the ground block on the amplifier and tighten the screw A ring terminal may be used here Repeat for each amplifier installed Run a cable the same gauge as the main power cable from the ground distribution block to the negative terminal of the system battery Your D7 Professional Reference Series ...

Page 7: ...ower voltages to make that power Try to ground your system to a single point in the vehicle The gauge of the power and ground cables must be capable of handling the current needed by the entire system Power and ground cables must be of the same gauge If the alternator is not capable of supplying enough power for both the vehicle AND the audio system a high output alternator should be installed for...

Page 8: ... in the fabric of time and space Reconnect the negative terminal after all connections have been made MOUNTING YOUR AMPLIFIER WARNING AMPLIFIERS GENERATE HEAT You can mount your amplifier in any position even upside down However airflow must be maintained Do not install your amplifier under carpets or behind airtight panels Let the amplifier breathe Without air circulation your amplifier will redu...

Page 9: ...resulting in increased current draw We recommend that you install the correct size fuse holder combination to the main power cable within 18 inches of the battery This will protect your vehicle from fire damage due to a short circuit to the chassis or vehicle body If a single amplifier is installed follow the fuse recommendation below If installing multiple amplifiers add up the total fuse ratings...

Page 10: ...signable Crossover Output RCA Jacks 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 DIMEN...

Reviews: