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Categories: Audio Inductors - Iron Core

Wide range of values from 1.5mh - 15mH wound with high purity 1.12 to 1.6mm (mH value dependent) 99.99% type V OFC wire. All values 5% tolerance.
Wound on ABS plastic bobbins with a 'I' cross section core (high quality soft ferrite with 2 end caps). This versatile range of inductors have very linear characteristics and offer high mH values in a small form factor making them suitable for confined applications where bulky air core coils would not fit. The larger values can be mounted upright or on their side.
Made in Germany by the long established and highly respected manufacturer Intertechnik / Audyn.
Full technical data is available in the downloadable file at the bottom of this page.
Due to the huge selection of values and types, Intertechnik inductors are wound to order - please allow approximately 2 weeks for dispatch.
Available values: 1.5mH, 1.8mH, 2.2mH, 2.7mH, 3mH, 3.3mH, 3.9mH, 4.7mH, 5.6mH, 6.8mH, 8.2mH, 10mH, 12mH, 15mH.
Bobbin / Wire size chart:
| Values: 1.50 - 2.70mH | Wire: 1.60mm | Bobbin: 58 x 46mm |
| Values: 3.00 - 3.90mH | Wire: 1.50mm | Bobbin: 58 x 46mm |
| Values: 4.70 - 5.60mH | Wire: 1.32mm | Bobbin: 58 x 46mm |
| Values: 6.80 - 8.20mH | Wire: 1.32mm | Bobbin: 58 x 46mm |
| Values: 10.0 - 15.0mH | Wire: 1.12mm | Bobbin: 58 x 46mm |
Details of this range can be downloaded here:
Friendly technical support
40+ years in the trade
UK family run business
Excellent customer service
Quick dispatch
Product as described, easy to cut & fit.
On reflection having now fitted the foam, I wish it was 15mm to 18mm or even 20mm thick. This is not a complaint. For a small speaker under 30cm high it’s perfect. For a larger speaker I feel a thicker sponge would hold its structure more pleasingly, its aesthetics, but important for the finished look.
I’ve been building my own home cinema as a complete DIY project and reached the stage where I needed some decent acoustic foam for my speaker panels (also DIY!) so I picked up 3 large sheets from here. They were sent quickly, packed well and moreover, are of excellent quality. With them being folded into the shipping box they were slightly creased but after leaving them out overnight on a flat surface, the creases fell out completely. They’re now in place and doing their job brilliantly. Cheers Willys Hifi!
The crossover was constructed well, I just need to figure out the best way to attach it to my Kef Concertos as they are bigger than the ones supplied by Kef that are mounted on the front of the baffle board.
Very nice deep bass look amazing with my custom made speaker
Great speedy delivery and very easy to fit. The plastic in my drivers had perished and they had suffered one too many parties! No need to make any adjustments (someone above did suggest that). I just screwed them in and the foam compressed into place. Before and after below (before I changed speaker number 2). Thank you!
