The Duke is a 2-way system, comprising a newly developed 7″ ceramic bass/mid-range driver and a new tweeter, which uses pioneering technology to achieve diamond-like performance.
A must for the true audiophile with a modest listening space.
- 2-way ported
- Mundorf enhanced crossover
- Accuton bass drivers
- Cell tweeters
Highly Commended award 2016
- Cell tweeter designed with the latest Accuton technology.
- Bass drivers with higher transparency and resolution using the latest Accuton technology.
- Improved crossover using leading Mundorf components.
We use Jorma Design internal wiring, for its exemplary quality and performance. Handmade in Sweden, the cables use separate + and – for enhanced shielding and the highest quality Copper.
This offers natural, transparent sound; the perfect choice for our speakers.
Cables are integral components, so they must work harmoniously with our precision design and build. Jorma Design delivers exactly what a Marten speaker demands.
Technical specifications
Speaker (front)
1 x 7 ” Ceramic unit
1 x 1 ” Ceramic unit
Frequency range
38-40 000 Hz ±3dB
Power rating
150 W
Sensitivity
88 dB/w/m
Impedance
4 ohm (3.7 ohms min)
Type
2-way ported (39 Hz)
Crossover frequency
Second order, 3000 Hz
Components
Low loss copper foil coils and silver/gold in oil capacitors
Terminals
Single-wiring WBT
Internal wiring
Jorma Design
Cabinet
23mm veneered MDF
Dimensions W x H x D
22 x 40 x 33 cm (8.6 x 15.7 x 12.9 ”)
Net weight
13 kg (29 lbs)
