Cambridge Audio expands flagship Edge series with Edge M monoblock power amp

Cambridge Audio Edge M monoblock power amplifier
(Image credit: Cambridge Audio)

Cambridge Audio has just unveiled a new monoblock power amplifier, a fresh addition to the firm's high-end Edge series.

The Edge M takes the principle design of the existing Edge W power amplifier and applies it to a monoblock design, promising double the power and a "more faithful, dynamic sound with less distortion". While we've not had the pleasure of spending time with the Edge W power amp, the Edge A integrated amp received a glowing five-star review from us over the summer, as did the Edge NQ pre-amp and network streamer.

Cambridge Audio Edge M monoblock power amplifier

(Image credit: Cambridge Audio)

The minimal design includes the Edge series’ trademark curved extruded aluminium front and floating top plate across both boxes. Balanced and unbalanced inputs are provided along with speaker outputs, and underneath the calm exterior, Cambridge Audio assures users they're getting some extraordinary audio engineering.

Edge M promises to retain the characteristic clarity and musical depth of its Edge W stereo counterpart but, because each unit drives a single speaker, the power output is doubled to 200W RMS into 8 Ohms.

With twice the power, Edge M promises effortless dynamics and less distortion, both per channel and between the channels. Since it is also fully balanced from input to output, Cambridge Audio says it's "immune from noise", too.

As with the Edge W, Cambridge Audio's engineers have worked hard to minimise the number of components in the Edge M’s signal path.

Cambridge's unique Class XA amplification design (also found in Edge A and Edge W amplifiers) is also found in Edge M. Cambridge Audio states that Class XA amplification technology offers the sound quality of a Class A design, but is more efficient as it produces less heat, and shifts the crossover point out of audible range. 

Cambridge Audio Edge M monoblock power amplifier

(Image credit: Cambridge Audio)

Edge M uses an opposing symmetry twin toroidal transformer design, which should cancel out stray electromagnetic interference while at the same time maintaining power and a consistent tonality, even at loud volumes.

As you'd expect, the Edge M monoblock power amplifier is designed to partner perfectly (but not exclusively) with other Edge components in Cambridge Audio’s Edge series, which was originally unveiled in 2018 as a three-strong flagship range to celebrate Cambridge Audio’s 50-year history.

Get ready for pricing then. The Cambridge Audio Edge M monoblock power amplifier is priced at £3999 ($4000, AU$6999, €4499) and will be available from December.


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Becky has been a full-time staff writer at What Hi-Fi? since March 2019. Prior to gaining her MA in Journalism in 2018, she freelanced as an arts critic alongside a 20-year career as a professional dancer and aerialist – any love of dance is of course tethered to a love of music. Becky has previously contributed to Stuff, FourFourTwo, This is Cabaret and The Stage. When not writing, she dances, spins in the air, drinks coffee, watches football or surfs in Cornwall with her other half – a football writer whose talent knows no bounds.