Re-engineered PMC twenty5i speakers boast flagship DNA

posted on Tuesday, 25th February 2020 by Steve May

home cinema  Hi-fi  High-end 

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PMC has announced a new upgraded iteration of its twenty5 series Hi-Fi loudspeakers. The incoming twenty5i have been substantially re-engineered, benefiting from developments from its flagship Fenestria speaker programme.

The six strong twenty5i range consists of four two-way designs: the compact twenty5.21i, with its 130mm bass driver, the step-up twenty5.22i with a 165mm driver and corresponding floor-standers, the twenty5.23i and twenty5.24i. The range is completed with the three-way twenty5.26i and a dedicated centre channel.

Cited improvements include high-frequency definition, crossover design and vibration vibration removal.

The new high-frequency drive unit is a 19mm SONOMEX soft-dome design, derived from PMC’s premium fact speaker range. It’s been tweaked to work down to a lower frequency and the sweet spot widened.

"We knew from our recent research and development that there were a number of areas we could improve..."


For a smooth response across the drive units, the crossovers are mounted on ‘military-grade’ fibre-glass boards, with thick pure copper tracks used to connec components. New for the twenty5i series is a lowering of the crossover point in the two-way models, allowing the LF driver to focus more efficiently on its core frequency range.

For improved midrange accuracy, the top of the range three-way twenty5.26i features a third driver dedicated to mid frequencies. This 50mm soft dome midrange has been developed from the drivers found in the company’s studio monitors.

The bass drivers are the same high-specification units from the twenty5 series and remain unchanged, but have a freshly tuned crossover and lower crossover point.

PMC-Twenty 5-22i Lifestyle Main

Oliver Thomas, head of design, comments, “The twenty5 series was a phenomenally hard act to follow, winning awards and plaudits around the world. We knew from our recent research and development that there were a number of areas we could improve, including the design of the tweeter, the crossover tuning and isolation from vibration.

As is common with all PMC speakers, the twenty5i feature Advanced Transmission Line bass loading. The ATL features the aerodynamically designed Laminair vent, originally developed for PMC’s flagship QB1studio monitors.

When it comes to finishes, there’s a choice of diamond black and a variety of silk finishes, including white and two different natural timbers, oak and walnut.

Available from March, retail prices are as follows:
twenty5.21i £1,995 (Walnut, Oak, White Silk)/ £2,195 ( Diamond black)
twenty5.22i £2,995/ £3,295
twenty5.23i £3,495/ £3,850
twenty5.24i £4,995/ £5,495
twenty5.26i £8,495/ £8,995
twenty5.Ci £1,995/ £2,195
Dedicated stands for compact models £295

Steve May

Inside CI Editor Steve May is a freelance technology specialist who also writes for T3TechRadarHome Cinema Choice, Trusted Reviews and The Luxe Review.

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