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Morel CAT 308 Tweeter
Categories: 0.75 - 2" (19-50mm) Dome Tweeters Morel Tweeters
UK STOCK ITEM
The Morel CAT 308 is a modern updated replacement for the legendary MDT-30. Featuring a field replaceable hand coated 28mm Acuflex textile dome, a large ferrofluid cooled Hexatech aluminium voice coil, a vented ferrite magnet system and a tuned rear chamber, this popular tweeter sounds very transparent and unfatiguing. Recommended frequency use: 2000-20,000 Hz. High power rating of 200w nominal, 1000w peak.
A full datasheet can be downloaded from the bottom of this page.
Resonant frequency (fs) | 650 Hz | Nominal impedance (Zn) | 8 Ω |
Effective diaphragm diameter | 28mm | DC resistance (Re) | 5.2 Ω |
Ferrofluid ? Y/N | Yes | RMS power handling | 200W |
Recommended crossover | 2khz | Faceplate diameter | 104mm |
Sensitivity (2.83V/1m) | 90 dB | Cutout hole diameter | 72 mm |
CAT308
Purchased as a pair to replace a blown unit in a pair of Rega Juras (they used a plastic faceplate version of the MDT30S in the Jura) these units, combined with a better quality series capacitor, raise the bar considerably in what you can expect from what were relatively cheap speakers.
Thankyou for your review !
Will & Caroline
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I always knew that Linn should never have stopped using Hiquphon tweeters. What I don't know is why it's taken me thirty years to fit a pair in my old Kabers. It's often hard to describe sonic character ....but to pinch Linn's old line from back in the day ...they're Simply Better.(even straight out the box with soldering iron still warm)
As my Kabers are passive,I had been a little concerned that the the 8 ohm nominal impedence of the OW1 would mess with the crossover slope. I needn't have worried....if its shifted the crossover point its much for the better.
Warm thanks also to Will and Caroline for a service in keeping with the outstanding quality of the Hiquphon product.
Alan
Been looking for a supplier of replacement drivers for some years.
Willy's HiFi had just the parts at a good price and they arrived in a couple of days.
Excellent service. Even a personal thank you hand written on the invoice.
A quick delivery and the tweeters are perfect on my mission 753 freedom speakers. Easy to fit . Highly recommend.
I’m no expert when it comes to speakers, but after some research (and a strong recommendation from ChatGPT), I went with the SB Acoustics SB65WBAC25-4 as a reference full-range speaker in this size range.
Having now tested them, I can confidently say they’re probably the best speakers I’ve ever owned. The clarity is outstanding—every detail comes through with incredible precision. The bass is surprisingly full and punchy for a speaker this size, and they handle power impressively well. For anyone looking for a high-performance compact full-range driver, these are hard to beat.