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In Barn for Review: Q Acoustics Concept 50 Floorstanding Speakers

Oct 11, 2023

Happiness is a quiet cabinet, or so says the UK's Q Acoustics.

Here are a few of the lengths they go to to deliver just that:

Hermetically sealed, baby. Here's a nicely made video with moving pictures to help with the finer details:

Q Acoustics was founded in 2006, and they should be better known for making high quality speakers at very nice prices.

The Concept 50 offer two sets of binding posts and a smile-shaped based mounted with spikes or semi-round footers.

A pair of 5-inch mid/bass drivers and 0.9-inch tweeter are new, ground-up designs specifically for the Concept 30, 50 and 90 loudspeakers. As you can kinda see, these drivers are mounted to a 3mm aluminum front baffle plate which serves two purposes according to Q—dampening vibrations and minimising structural coupling.

The review pair came outfitted in a very nice silver lacquer gloss finish. Black and white lacquer are also available and the optional grill covers, which I intend to leave off, are included.

To my eyes, the Concept 50's curved edges and fine finish makes them look the part of a (much) more expensive speaker. How do they sound? Stay tuned.

Q Acoustics Concept 50 Floorstanding Speaker Price: $2999/pairCompany Website: Q Acoustics

Specifications

Bass unit: 2 x 125 mm (5.0 in)Treble unit: 1 x 25 mm (0.9 in)Frequency response (-6dB): 42 Hz – 30 kHzNominal impedance: 6 ΩMinimum impedance: 3.6 ΩSensitivity (2.83V @ 1kHz): 90.5 dB/w/mRecommended amplifier power: 25-150 WCrossover frequency: 2.1 kHzDistortion (120Hz – 20kHz, @2.83Vrms): <0.2%Effective volume: 28.8 LDimensions (per loudspeaker / HxWxD) Inc spikes and stabiliser: 1025 x 418 x 319 mm (40.4 x 16.5 x 12.6 in), Cabinet width: 180 mm (7.1 in)Weight (per loudspeaker): 22.9 kg (50.5 lbs)

Q Acoustics Concept 50 Floorstanding Speaker Price Company Website Specifications Bass unit Treble unit Frequency response Nominal impedance Minimum impedance Sensitivity Recommended amplifier power Crossover frequency Distortion Effective volume Dimensions Cabinet width Weight