All systems go !
All systems go !
DRIVE UNITS BY MANUFACTURER:
Morel TiCW 638Nd Woofer
The Morel TiCW 638Nd Woofer is a highly advanced bass-midrange drive unit featuring many class leading innovations such as the Uniflow™ Aluminium diecast chassis (designed for maximum undisturbed airflow with minimal rear reflection), the unique Hybrid™ Neodymium / Ferrite mixed magnet assembly and the Coppersleeve Neolin Motor - also known as a Faraday shorting ring, the Coppersleeve pole gives 3 clear advantages:
1. Reduces impedance rise and increases sensitivity.
2. Reduces voice coil inductance, which minimizes non-linearity during operation.
3. Improves overall speaker performance across the frequency band.
In common with all Morel drive units, the drive system is superbly engineered featuring a Titanium voice coil bobbin and a large 3" voice coil wound with Hexatech™ Aluminum wire. Hexatech wire has an hexagonal cross section thereby eliminating the air gaps usually found in voice coils.
The frequency response is very well controlled to 4Khz with good off- axis characteristics. Power rating is 150w nominal and can withstand short term peaks of 1000 watts. A full datasheet can be downloaded from the bottom of this page.
Also available in 4Ω - Morel TiCW 634Nd
Resonant frequency (fs) | 45 Hz | Nominal impedance (Zn) | 8 Ω |
Mechanical Q factor (Qms) | 4.68 | DC resistance (Re) | 5.4 Ω |
Electrical Q factor (Qes) | 0.47 | RMS power handling | 150W |
Total Q factor (Qts) | 0.42 | Sensitivity (2.83V/1m) | 87 dB |
Equivalent volume (Vas) | 14.0 L | Chassis diameter | 160 mm |
TiCW638Nd
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Up and running again exactly what I needed. Great job Willys. 10/10👊🏻🫵🏻. From start to finish will be use again in near future for crossover upgrade. 1st time using. 100% will use again
Since 1991, I've had Linn Keilidh speakers, which I upgraded a year later to an active system using the Linn Wakonda and two LK100 power amplifiers. Over the past few years, I’ve considered replacing my audio setup with a more compact active system. However, the downside is that it would require a significant investment to achieve a comparable sound quality.
In the end, I opted for an upgrade of the tweeters and new speaker covers after more than 30 years.
The upgrade itself went smoothly using the supplied solder. I’m very pleased with the end result. The upgrade has had a noticeable impact on the soundstage: the bass, midrange and treble all have more space and clarity within the stereo image. This first became apparent to me when listening to vocals—it’s as if you can perceive the space surrounding the voice. And the longer you listen, the more this spatial detail stands out.
I’ve turned the amplifier up slightly, as creating that sense of space seems to require a bit more power.
It’s an upgrade I can definitely recommend.
Wow, just had my Mission 753 upgrades of crossover and also tweeters. What a difference it’s made! The high frequencies are more refined and OMG, the separation and richness of mud and bass if awesome…..much thanks to Willy’s for giving my 753’s a new life 😀😀
Excellent advice from will as usual and exactly what I wanted. These have improved the sound of my current speakers and taken them to another level. Sounds superb I can hear tonal difference's between things that I never heard before. Superb bass drivers dig so deep.
As usual will has been outstanding.
Brilliant to deal with always helpful and gives great service.
What a brilliant capacitor, from first listen exceptional clarity and depth. Bargain will be buying more.