Constellation Audio / Inspiration series – Mono 1.0


400 watts per channel into 8 ohms
The Inspiration Monoblock not only delivers 400 watts into 8 ohms, it doubles that into 4 ohms — and at a low 0.2% total harmonic distortion plus noise (THD+N), not the 0.5% or 1% at which many other amps are rated. No matter what speaker you have or how loudly you want to play it, the Inspiration Monoblock can drive it with ease.


Our exclusive Balanced Bridged design
All of our amplifiers employ our exclusive Balanced Bridged balanced design. Other solid-state amplifiers use half N-type and half P-type output transistors, so they can never achieve a perfect balance between the positive and negative halves of the audio signal. Our amplifiers use only N-type output transistors, so the audio signal is kept in ideal balance and even the subtlest microdynamics and detail are conveyed without alteration.


High-current power supply for maximum dynamics
The Inspiration Monoblock uses a front-mounted, custom-wound toroidal transformer in conjunction with a capacitor bank totalling 240,000 microfarads of storage. This arrangement ensures that the supply can deliver ultra-smooth, completely stable continuous DC voltage as well as exceedingly high peak power for the most demanding musical transients.


Thick power supply shielding for cleaner audio performance
To protect the sensitive audio circuits from electromagnetic interference produced by the Inspiration Monoblock’s massive power supply transformer, we shield the transformer in its own enclosure in the front of the amp using thick aluminum plates.


Line Stage Gain Module
We use this preamplification circuit in every Constellation Audio product because we think it’s the best one ever designed. The Line Stage Gain Module continuously monitors the balance between the positive and negative halves of the audio signal using a servo circuit, so noise, interference and flaws in upstream equipment cannot throw the signal out of balance.


Fully discrete circuitry
To assure maximum performance, lowest noise and unrestrained dynamics, we use only discrete components — such as transistors, resistors and capacitors — in the Inspiration Monoblock’s amplification circuits. There are no ICs in the signal path.


Rear-mounted output stage for low output impedance
To minimize the Inspiration Monoblock’s output impedance — and thus to maximize damping factor and achieve nearly instantaneous “stop on a dime” woofer performance — we moved the amp’s power supply to the front and the output stage to the rear, right next to the speaker cable binding posts.


Filter-free output stage
Many high-end amplifiers use a Zobel filter network on the output stage to assure stability, but this filter limits bandwidth and can produce its own colorations. The inherent stability of our Balanced Bridged design makes an output filter unnecessary.

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