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The main changes from the Ultimatum models are the use of MDF cabinets instead of Finnish birch ply and the replacement of the dual 25mm soft dome/EMIT super-tweeter arrangement with a ‘JET’ AMT tweeter. The mid/bass drive unit has been carried over along with the decoupled sub-baffle, which the company claims helps reduce the effects of cabinet resonance. Both models also feature the Ultimatum’s Isobaric bass loading technique.

The Momentum J-S is the standmount, which is essentially a slightly more compact and simplified version of the Ultimatum XLS. The front baffle, which is coupled to the cabinet via a polyethylene membrane, houses the tweeter and an Ultimatum-type 170mm drive unit handling midrange and bass frequencies. Inside, mounted behind the main drive unit, is another identical driver. The space between these is sealed, in isobaric configuration.

The rear port is a low-Q type, which also incorporates an acoustic filter to restrict airflow and give greater control to bass frequencies. The crossovers are all hard-wired, with point-to-point connections used in a bid to maximise integrity. Neat says the components are of premium audiophile quality and include high-voltage polypropylene capacitors and low-loss air-cored inductors.

The company says the Momentum J-S can be easily accommodated in small rooms, yet is also capable of filling larger spaces with the ease of a large floorstanding model. Sensitivity is quoted as 86dB with a nominal 8ohm impedance and it costs £5,000.

The floorstander is the Momentum J-6, a 2.5-way design based on the configuration of the Ultimatum XL6. The upper section houses the AMT tweeter and Neat’s own ‘R3’ unit handling bass and midrange, thus acting as a sealed two-way loudspeaker in its own right. This is sectioned off from the lower part, which features two downward-facing 170mm drive units in isobaric configuration, handling only the very low bass frequencies as if it were an integrated subwoofer.

Neat says the addition of the Ultimatum-style plinth gives great stability to the enclosure, resulting in exceptionally precise stereo focus. Sensitivity is quoted as 86dB into 8ohm loads and it is priced at £10,000 per pair.