Marten Design COLTRANE QUINTET
Image source — © Marten Design
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Model name
COLTRANE QUINTET
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)
41.2 x 120.5 x 74
Weight (kg)
115
Official link
The speakers used here repeat the top model: a 3-inch diamond treble/midrange driver, a 1-inch diamond tweeter, and a 7-inch beryllium midrange driver. The low-frequency range is assigned to two drivers with aluminum sandwich diffusers with a diameter of 10 inches.
The Coltrane Supreme Extreme is the most advanced speaker system the Swedish manufacturer has ever created. The dual floor-mounted enclosure and specially designed drivers provide outstanding resolution and dynamics. The design uses: the largest beryllium midrange driver in history, Crystalid speakers for voicing the lower middle, carbon fiber monocoque housing with solid wood and aluminum reinforcement.
The Marten Oscar Trio have a bass reflex port built into the floor, so the speakers can be installed even near the walls of the hall. An ultra-high-quality element base was used - silver-gold capacitors, top-class resistors, internal Jorma wiring. The cases are made of 25 mm laminate, the drivers are with ceramic diffusers.
Marten Parker Trio is a 2.5-way Parker series floorstanding loudspeaker with a maximum power of 300 watts, a sensitivity of 91 dB and a resistance of 6 ohms.
The Parker Quintet, which heads the line, has four dynamic heads for high and low frequencies and the ceramic tweeter mentioned above. To expand the low-frequency range, four 9-inch aluminum passive radiators are located on the rear wall of the case.