
FINISHES Mono Power Amplifier has polished Stainless Steel plates and is available in: Matte Black

Frequency range 37-20000 Hz +-3dB Power rating 150 W Sensitivity 86 dB / 1 m / 2.83V Impedance 6 ohm (3.1 Ohm min) Type 2-way Crossover frequency Second order 2500 Hz Terminals Single-wiring WBT Nextgen Internal wiring Jorma Design Cabinet 25 mm fibre laminate Matte Walnut, Piano Black or White Dimensions W x H x D 20 x 40 x 32 cm (7.9 x 15.7 x 12.6 ”) Net weight 13 Kg (29 lbs)

Frequency range 36-40000 Hz +-2dB Power rating 200 W Sensitivity 88 dB/2.83 V Impedance 6 ohms (3.1 Ohms min) Type 2-way Crossover frequency Multi diverse order, 2200 Hz Terminals Single-wiring WBT Nextgen Internal wiring Jorma Design Cabinet 35 mm M-board Piano Walnut, Matte Walnut or Piano Black Stands and feet (optional) Matte Black with mirror polished Marten pucks 35 - 28 x 75 x 40 cm (13.8" - 11” x 29.5”" x 15.7") 21 kg (46 lbs) Dimensions W x H x D 22 - 28 x 42

Technology earned, not borrowed. Dexter Duo is a 2-way stand speaker and the entry point to the series — one that makes no concessions in the elements that matter most. The same diamond tweeter found in every Dexter model. The same M-Core cabinet. The same approach to bass loading. What changes is scale; the intent is constant.





Frequency range 27-20000 Hz +-3dB Power rating 250 W Sensitivity 89 dB / 1 m / 2.83V Impedance 6 ohm (3.1 Ohm min) Type 2-way Crossover frequency Second order 2500 Hz Terminals Single-wiring WBT Nextgen Internal wiring Jorma Design Cabinet 25 mm fibre laminate Matte Walnut, Piano Black or White Stands Brushed Aluminium with Marten Pucks and Cones Dimensions W x H x D 20 x 109 x 40 cm (11.4 x 42.9 x 15.7 ”) Net weight 30 Kg (67 lbs) Cover 90 B

Frequency range 22-100000 Hz +-2dB Power rating 450 W Sensitivity 89 dB / 1 m / 2.83V Impedance 6 ohm (3.1 Ohm min) Type 4-way Crossover frequency First order: 350, 3800 & 8000 Hz Terminals WBT Nextgen Bi-wire Internal wiring Jorma Design (optional Statement) Cabinet 25-42 mm fibre laminate Piano Black, with Solid Wood top and bottom Stands Polished stainless steel with Marten IsoPucks Dimensions W x H x D 29 x 171 x 42 cm (11.4 x 67.3 x 16.5 ”) Net weig

TECHNICAL SPECIFICATIONS Speaker (front) 1” pure ceramic tweeter (upgradable to Diamond) 2 x 7.5” ceramic bass/midrange Speaker (back) 2 x 9” Aluminium passive radiator Crossover components Ceramic version Polypropylene capacitors and copper foil inductors Diamond edition Copper foil capacitors and copper foil inductors Frequency range 26-40000 Hz +-2dB Power rating 300 W Sensitivity 91 dB/2.83 V Impedance 6 ohms (3.1 Ohms min) Type 2.5-w

TECHNICAL SPECIFICATIONS Speaker (front) 1” pure ceramic tweeter (upgradable to Diamond) 4 x 7.5” ceramic bass/midrange Speaker (back) 4 x 9” Aluminium passive radiator Crossover components Ceramic version Polypropylene capacitors and copper foil inductors Diamond edition Copper foil capacitors and copper foil inductors Frequency range 24-40000 Hz +-2dB Power rating 350 W Sensitivity 93 dB/2.83 V Impedance 4 ohms (2.7 Ohms min) Type 2.5-w

Mingus Quintet 2 has five drivers with immaculate control and power, including a pure diamond tweeter, pure ceramic mid-range and aluminium sandwich bass domes. We’ve also geared the first order crossover for a more open, clean and dynamic sound. Resonance control is greatly improved with an advanced damping mat and solid wood tops and bottoms for a more neutral cabinet. Marten Isolators further reduce resonance by separating the cabinet from the supporting surface. Pure diamond tweeter

WHAT YOU GET Precision and power combined. Mingus Septet is a heavy-weight four-way speaker that boasts seven drivers. Custom Marten pure diamond tweeters and beryllium high midrange drivers ensure every detail is captured with clarity and precision. Our first-order crossover provides open, clean, and dynamic sound, while the advanced damping mats, wooden tops and bottoms, and 4mm aluminium plate ensure a neutral cabinet with superb resonance control. Marten Isolators further reduce resonan



Technology earned, not borrowed. Dexter Quintet is the flagship of the series. A three-way design in which every driver is designed by Marten, built around technologies that began at the very top of our range — and a speaker that exceeded its own specification during development.

Technology earned, not borrowed. Dexter Trio is a 2.5-way floorstander built around the same technologies as the rest of the series. Diamond tweeter, M-Core cabinet, Loaded Reflex Line — nothing has been simplified to reach this form factor. The result is a speaker that works with its environment rather than demanding particular conditions from it.

Technology earned, not borrowed. Dexter Quartet is a 3-way floorstander sharing its architecture with the flagship — the same diamond tweeter, the same ceramic midrange, the same approach to cabinet and bass loading. For rooms where Quintet’s proportions exceed what the space calls for, Quartet delivers the essential character of the series without compromise in the frequency ranges that define it.

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