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Dreadnaught D

Inspired by Greatness
Adding the letter "D” to our Dreadnaught modular multi-channel amplifier model serves dual purposes. "D” is not only the 4th letter of the alphabet, it is also the amplifier class used in our new masterwork.

The Dreadnaught D brings the world-class performance or Theta Digital’s Prometheus monoblock amplifiers to users who require the finest multi-channel performance plus world-class flexibility.

Analog Audio Inputs

1 Single-ended (RCA) per channel on each module.
1 Balanced (XLR) per channel on each module.

Input Impedance
47 kOhms. Single-Ended or Balanced, each phase.

Input sensitivity

Mono or Stereo module:
(Single-ended) 1.825V RMS input for 225W into 8 ohms.
(Balanced) 1.825V RMS input for 225W into 8 ohms.

Mono Bridged module
(Single-ended or Balanced) 1.825V RMS input for 500W into 8 ohms

Gain
(Single-Ended or Balanced) 27.8dB.

Polarity
(Single-ended) Non-Inverting.
(Balanced) Pin-2 = Positive, Pin-3 = Negative for Non-Inverting Output.



Analog Audio Outputs

One balanced output with 5-way binding posts per channel.

Modes/Processes
Standby: Amplifier is ready to be turned on via front panel switch or remote trigger.
Overcurrent, D.C., and/or thermal protection: Amplifier will cycle.
Catastrophic D.C. or output stage failure: Amplifier will shut down.

Power Output

Mono or Stereo Module
8 ohms: 225W RMS per channel with less than 0.05% THD from 20 Hz to 20 kHz:
4 ohms: 375W RMS per channel with less than 0.05% THD from 20 Hz to 20 kHz.
2 ohms: 500W RMS per channel with less than 0.05% THD from 20 Hz to 20 kHz.

Mono Bridged Module
8 ohms: 500W RMS per channel with less than 0.05% THD from 20 Hz to 20 kHz4 ohms: 800W RMS per channel with less than 0.05% THD from 20 Hz to 20 kHz.

Frequency Response
+0, -.5 dB 0Hz to 20 kHz, load independent.

Damping Factor
Greater than 6000 at 100 Hz; Greater than 2000 at any frequency up to and including 20 kHz.

Signal to Noise Ratio
120dB referenced to rated output (A-Weighted)

Crosstalk
-85 dB


Miscellaneous

Power Requirements

117V AC, 15A Slo BLo main fuse: 230V AC 8A Slo Blo main fuse; 50/60 Hz

Power Consumption

Less than 1W at Standby; less than 80W at idle; 1500W maximum by 2 when fully loaded

Trigger Input

5 to 12V DC; Steady State.

Dimensions

(W x H x D) 17 5/8 inches x 7 15/16 inches x 19 3/4 inches; 448 mm x 202mm x 502 mm

Weight

(fully loaded) 98.5 lbs; 44.8 kG

128 lbs with four stereo modules in the amplifier.

Maximum Operating Temperature

Internal: 176° F (80° C)

Room: 122° F (50° C)

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