Source: Press Release, Last Accessed: 2023/04/24

If you are familiar with the history of high-performance speaker design, you'll perhaps see in the Elypsis1512 the influence of a particular style of 1970s studio monitor. That's no accident. Part of the inspiration for the Elypsis1512 is products such as the JBL 4350, the Tannoy Buckingham and the Urei 815a.
Stratton Acoustics, the new UK-based high-end loudspeaker manufacturer, takes inspiration for its products from the iconic, large-scale studio monitors that shaped recording in the 1970s and 1980s.
The Elypsis1512 is a three-way passive speaker built around a driver complement of twin 380mm bass drivers, a single 300mm midrange driver and a mechanically decoupled, 29mm soft dome tweeter with a precision waveguide. The drivers on the enclosure front panel are in an asymmetric array, which results in similarly asymmetric horizontal dispersion. Pairs of Elypsis1512 speakers are built in mirror image format in front panel component arrangement. The phase relationship through the crossover region between the midrange driver and tweeter ensures that the off-axis frequency response on the midrange side of the speaker remains linear, the company says.
The Elypsis1512 enclosure provides a 230-litres internal volume for the bass drivers. Reflex loading utilizes four large-diameter laminar flow internally and externally flared ports, tuned to 34Hz. Elypsis1512 low-frequency bandwidth extends to -6dB at 28Hz. System group delay remains under 12mS above 40Hz.
The Elypsis1512 passive crossover integrates the drivers at 350Hz and 2.5kHz via asymmetric 2nd and 3rd-order filter slopes. Targeted impedance compensation is employed to linearize the system impedance and to enable close control of filter slopes. Crossover components are all audiophile grade and comprise predominantly plastic film capacitors and air-cored inductors. EQ controls on the front baffle offer ±2dB adjustment on the midrange and tweeter drivers.
Manufactured from a combination of 24mm and 18mm precision CNC routed birch ply panels, the Elypsis1512 enclosure also includes a 46mm Front Baffle capped with a solid CNC machined acrylic outer baffle. Complex and comprehensive internal bracing ensures that the construction is effectively inert, and the internally divided midrange enclosure volume incorporates non-parallel panels to help suppress internal resonance.
Its high sensitivity (more than 8dB above a typical Hi-Fi speaker) and easy load means it can be driven by almost any amplifier – from a 5-Watt valve amp to a 1kW high-end monster, the company says.

For more information: https://strattonacoustics.com/

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