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Raidho TD4.2

The sound is authentic and live, delivering powerful music experiences.

This symmetrically build extends all the way to the bass. TD drive units makes the speaker ingulf you in a holographic landscape of sound.

With multiple bass driver it may produce the same volume and go as deep as much bigger woofers, just with much better impulse response resulting in a very dynamic and articulate sound. This also makes it possible to keep the front plate slim, thereby reducing diffraction. This adds to a wide and precise sound stage.

The sound is authentic and live, and TD4.2 will deliver musical experiences from the smallest, intimate performances and to the biggest bands, with impact, dynamics, and musical scale in the most convincing of ways.

Image of the back from a Raidho Acoustics Driver

Raidho Series X
Drive Unit

This drive unit is not only highly advanced and built in-house in Denmark, but is also a piece of art.

The result is that the speakers disappear even more from the equation, drawing a soundscape without audible distortion and with a pitch-black background that made the instruments stand out and create holographic sound stage.

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Image of a Raidho Driver from the back

Raidho Series TD
Drive Unit

This is truly a unique and revolutionary drive unit! 100% developed and build inhouse by Raidho. The goals was simple: no coloration and outstanding dynamic capabilities.

The motor comprises of a very strong magnet (N52 Neodymium) with an unseen even magnet field, coupled with an underhung titanium voice coil. This arrangement gives the drive unit the most powerful underhung magnet system in the world. The benetfit from an underhung voicie coil over the traditional overhung, is that it is much more linear and better dynamic capabilities. The result is perfect transient response with no measurable distortion.

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Image of a Raidho Tweeter

The Legendary Raidho Ribbon Tweeter

Our proprietary, trademark ribbon tweeter is a unique design. It is completely designed and build by hand in-house in Denmark. To be exact, it is a Planar Magnetic Tweeter due to the tracks in the foil. The foil is 11 micron thick, which means it is 50 times less mass in comparison to a conventional dome tweeter. This is because there is no voice coil and the extreme low weight of the foil (20 milligram). The result is virtually no resonances or distortion, and the breakup point is at an incredible 82 KHz! What you hear is amazing clear and natural sound. All the detail in the world, but no fatigue, no distortion, and no coloration!

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Our Awards

What the press is saying about the

Raidho TD4.2


“This system offered frighteningly realistic texture to voices, with a sense of both space and body that was chillingly credible, with instruments recreated in remarkably realistic size, texture, and tone. And for a speaker with such a narrow footprint, it created a sense of dynamism you would not necessarily expect at first encounter. Microdynamic expressiveness was stellar, approaching the best I’ve yet heard. “


Technical Information


3 way
Bass Loading
Bass reflex Port in rear, Impulse optimized - Conform

1 x Raidho TD Ribbon Tweeter

2 x 5” Raidho Tantalum Diamond midrange

2 x 6.5” Raidho Tantalum Diamond bass

Crossover Point
400Hz and 2.4 kHz stepped slope
Frequency Range
25Hz - 50 kHz +/-3 dB
88dB 2,83 V/m
Nominal Impedance
6 Ohm
Power Requirement
50 -300 Watts
Piano Black, Walnut burl veneer or any colour to order
Dimensions WxHxD, mm
440x1585x600 including feet
Enclosure WxD, mm
200 x 600
Weight, kg
Width external, cm
A & B
Width inside, cm
A & B
Depth, cm
A & B
Height external, cm
A 12,4
B 25,2
Height inside, cm
A 8,7
B 21,5
A & B
Weight A, kg
Weight B, kg

Do you have any questions about this product? Get in touch with us.

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