DRIVE UNITS BY MANUFACTURER:
DX25TG59-04
High Performance 1" tweeter featuring a wide surround and damped rear chamber giving a low resonant frequency of just 640 Hz. The voice coil / gap is filled with APGS11N ferrofluid for cooling / thermal stability without affecting the transient response. An Improved version of DX25TG09-04, this tweeter sounds very open and is capable of excellent results in 2 way systems.
The Scandinavian built version can be found here: Scanspeak D2604/830000
A full datasheet can be downloaded from the bottom of this page.
Resonant frequency (fs) | 640 Hz | Nominal impedance (Zn) | 4 Ω |
Effective diaphragm diameter | 25 mm | DC resistance (Re) | 2.93Ω |
Ferrofluid ? Y/N | Yes | RMS power handling | 100 W |
Recommended crossover | 2.5 kHz 12dB | Faceplate diameter | 104mm |
Sensitivity (1w/1m) | 89.8dB | Cutout hole diameter | 72mm |
Peerless by Tymphany
I ordered 2 of these, to replace the tweeters I blew out on my Tekton Moab speakers. Shipping from the UK to Florida, was quick. They were packaged well and needed a signature for delivery.
I would not hesitate to order from them again.
Greetings from England & thanks for the review Graham !
Will & Caroline
Friendly technical support
40+ years in the trade
UK family run business
Excellent customer service
Quick dispatch
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.