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Marten Coltrane Quintet Extreme – Diamond and Beryllium on the March

02.06.2025 07:08 | ~1 minute read

Marten has released the Marten Coltrane Quintet Extreme loudpeakers – relatively compact acoustics that adopt the solutions of the flagship, the Marten Coltrane Supreme Extreme model. Here, too, diamond and beryllium drivers are used, internal wiring is made with Jorma Paragon cable and a precision first-order crossover. The Marten Coltrane Quintet Extreme cabinet, again, is made of carbon fiber laminate with sandwich panels of aluminum, wood and fiberboard – such a design minimizes resonances and guarantees excellent phase accuracy.

 

Marten Coltrane Quintet Extreme
Marten Coltrane Quintet Extreme. Image source - (c) Marten

The Marten Coltrane Quintet Extreme uses a 1” diamond tweeter, a 3” diamond HF/MF driver, a 7” beryllium MF driver and 2 x 10” aluminum sandwich woofers. The loudspeakers measure 127.9 x 52.5 x 78.8 cm and weigh 115 kg each. The Coltrane Quintet Extreme speakers in an exclusive Piano Oak Green finish will be released in a limited edition of only 10 pairs worldwide, each handcrafted in Sweden. The recommended retail price is 360,000 euros per pair.

Specifications

This product is in the Hi-Fi and High End Electronics and Acoustics database

Floorstanding loudspeakers — Marten Design Coltrane Quintet Extreme

  • Model name

    Coltrane Quintet Extreme

  • Frequency Response low +/- 3dB (Hz)

    18

  • Frequency Response high +/- 3dB (Hz)

    60 000

  • Sensitivity (dB at 1 W/1m)

    89

  • Impedance (Ohms)

    4

  • Power amplifier requirements (W)

    350

  • Has internal amplification

    N/A

  • Internal amplification power (W)

    N/A

  • Size (sm)

    52.5 x 127.9 x 78.8

  • Weight (kg)

    115

  • Official link

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