Keeping Class A Cool. Infigo Audio Debuts Method 6 Stereo Amplifier

May 4 2023, 00:10
Infigo Audio, a Canadian company that designs and manufactures amplifiers, DACs, and cables for consumers who are ready to invest in exquisitely designed electronics, announced its latest Method 6 two-channel amplifier. The new Method 6 (SRP: $20,000) features many of the same attributes as the brand's Method 3 monoblock amplifier and features a Class A architecture, but with a unique design that maintains a low temperature that is not typical of Class A amplifiers.
 

"Class A is the standard for the most powerful and sonically pleasing amplifiers, but sometimes the electronics are so hot they can heat a room," says Hans Looman, CEO, Infigo Audio. "We managed to solve this problem by developing Low Temperature Class A, which features multiple, smaller, cleverly biased output devices instead of the more common practice of incorporating fewer and larger devices. By doing so, we spread the heat over a larger area without a heavy concentration that often results in electronics that are too hot to touch."

"Low Temperature Class A is notable for the elimination of cross-over distortion, with ultra-fast transient response. Thanks to this development, sonics remain impactful, crisp, and clear, while the amplifier stays cool to the touch. Over time, Low Temperature Class A’s lower operating temperature maximizes the life of the amplifier," the company adds.

A highlight of Infigo Audio amplifiers is the company’s DC Bias Adjustment that balances output DC level without limiting low frequency output. This allows for bass response to remain tight, powerful, with elimination of phase distortion at lower frequencies thanks to the removal of capacitors in the audio path. The low frequency range, the company says, extends down to 0Hz, with a separate protection circuit that disconnects the speakers when the DC level in the input signal reaches too high a level.

Power handling for the Infigo Method 6 is rated at 2x 100W in 8 Ohms, bandwidth is 0Hz – 200kHz (-3 dB), 26dB gain, sensitivity is 2V for maximum output, and voltage is rated at 120VAC / 240VAC selectable, 50/60Hz. 

Aesthetically, the Method 6 might not please everyone, but it will fit comfortably in any high-end audio system. It is available in silver and black, and, like all Infigo electronics, the solid top is removable, affording a view of the internal circuitry that is protected by a transparent cover.

Infigo Audio Inc designs and manufactures audio equipment using the highest quality materials and production processes, locally sourced, where possible, in British Columbia, Canada. CEO/Founder Hans Looman has been consulting to former Resonessence Labs, a spin-off of ESS Technology, the well known creators of the Sabre DAC chip. His amplifier design was showcased many years as the Projecta amplifier and was originally planned to be released as Resonessence brand. Unfortunately Resonessence Labs ceased business, and the amplifier was released under the new Infigo Audio brand.

"Every product bearing the Infigo Audio logo is what I call ‘FAB’ - a combination of features, advantages, and benefits. Like our other electronics, the Method 6 fits a clear and specific role in what we set out to create as a lean, highly focused product selection," Looman adds.
www.infigoaudio.com
 
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