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Constellation Mono 1.0

The Inspiration MONO 1.0 amplifier easily delivers 400 watts per channel into 8 ohms, doubling to 800 into 4 ohms. This is power enough to produce incredible, concert-hall dynamics with any speaker. Yet it is the size of a standard audio amplifier and weighs just 55 pounds. When you consider that the Centaur Monoblock weighs in at 103 pounds, and the Hercules II Monoblock at 220 pounds, the Inspiration's ability to deliver incredible power from a modestly sized chassis is remarkable indeed.


Our Balanced Bridged design can achieve ideal performance only when it is fed a perfectly balanced signal in the first place. To this end, the Inspiration MONO 1.0's input stage uses the same Line Stage Gain Module circuit found in all Constellation Audio products. This module uses servo circuits to ensure that both halves of an incoming signal are perfectly balanced, no matter what the source.

MSRP $11,000



If you are interested in this product or have questions, please call 1-714-630-4100.

Mono 1.0 Specs:



1 Constellation Direct XLR, 1 standard balanced XLR, 1 unbalanced RCA


metal binding posts

Power output:

400 watts, 8Ω (1 kHz @ 0.2% THD+N)

800 watts, 4Ω (1 kHz @ 0.2% THD+N)


14dB Constellation Direct, 26 dB Balanced & RCA

Output noise:

<70 µV, 500 kHz BW, -116 dB @ 250 watts

Damping factor (8Ω load):



<0.05%, 1 kHz @ up to 90% of rated power

Frequency response:

10 Hz to 80 kHz, +0/-0.5 dB

Signal-to-noise ratio:

>-95 dB, A-weighted

Input impedance (balanced):

20 KΩ Constellation Direct, 20 KΩ XLR

Input impedance (unbalanced):


Output impedance:



80 lbs / 36.3 kg