Professional Isolation

'Float' throughout the audio waveband-

The Townshend Seismic Podium revolutionizes how you enjoy your music, eliminating disruptive vibrations to let your speakers perform at their best. By isolating your loudspeakers from unwanted resonances, the podium opens up a richer, deeper soundstage with unmatched clarity and detail. Transform your listening experience and hear your favourite tracks with newfound precision and depth.

Sizing up

The weight of your speakers is crucial in determining the right load cells for perfect isolation within the audio waveband. Our carefully calibrated Loadcells ensure the ideal spring-mass load, allowing your speakers to “float” and achieve comprehensive isolation from external vibrations. Once this balance is achieved, you’ll select a platform that fits your speakers as shown in the diagram. If there is a slight overhang at the front or back, this may be acceptable. For speakers that don’t fit any standard platforms, we offer a bespoke service to create a custom stand that perfectly suits your setup.

Choose your Loadcell strength from the cart below

Key Benefits You’ll Love

Unrivaled Clarity:

Using 99% air insulation (with bare copper strip conductors in thin-walled PTFE tubing), the cable minimizes dielectric distortion, improving signal purity compared to conventional cables with denser insulation like PVC.

Handcrafted Quality

Bespoke cables made with precision for audiophile-grade performance.

Deep Cryogenic Treatment (EDCT)

The copper conductors undergo Enhanced Isolda Deep Cryogenic Treatment, which enhances transparency and neutrality, outperforming other materials in clarity and detail. Improved Soundstage and Detail: Users report a larger soundstage, precise instrument placement, and enhanced detail, with the ability to discern subtle differences in recordings, such as identifying distinct recording studios. The cable excels in bass extension and dynamic range.

Signal Interference:

The design reduces capacitance (25pF) and inductance (0.5uH), minimizing signal loss and interference, which contributes to its clean and vivid sound.

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EXPLORE INSIGHTS AND EXPERTISE

Maximum Supertweeters

£1,518.00

The Townshend Maximum Supertweeter elevates your hi-fi experience by extending frequency response to 90kHz, revealing crystalline highs and vivid detail. Its ultra-light ribbon diaphragm delivers lightning-fast transients, creating a natural, expansive soundstage with enhanced bass and midrange clarity. With a six-position sensitivity switch (74–89dB), it seamlessly integrates with any speaker, offering fatigue-free listening and lifelike musicality for an unparalleled audio upgrade.

Description

Townshend Maximum Supertweeter: Unlock Ultra-High Frequencies for Lifelike Hi-Fi AudioSince the late 1940s, when the term “hi-fi” was first applied to high-quality (high fidelity) sound reproduction systems, it has been conventionally accepted that the range of human hearing has an upper limit of about 15 to 20 kHz. The signal used to measure this response is an artificially-generated sine wave. However, modern research and long-term experience working with high-fidelity systems now question this firmly held belief. Harmonically rich, highly transient, real-life sounds extend well beyond 20 kHz; for example, the muted trumpet has a frequency response extending to beyond 100 kHz.Enter the Townshend Maximum Supertweeter—the ultimate upgrade for audiophiles seeking to extend their hi-fi speakers’ frequency response up to 90kHz (or even 100kHz in optimal setups). This compact, ribbon-based supertweeter doesn’t just push boundaries; it reveals the hidden harmonic detail that transforms ordinary listening into an immersive, natural experience. By capturing ultrasonic frequencies beyond human hearing, the Maximum Supertweeter enhances the entire audio spectrum, delivering clearer mids, tighter bass, and a wider soundstage without fatigue or harshness.Why Choose the Townshend Maximum Supertweeter for Your Hi-Fi System?In today’s high-resolution audio world, formats like SACD, DVD-Audio, and vinyl demand more than standard dome tweeters can provide. The Maximum Supertweeter steps in where your speakers roll off—starting at 6kHz and soaring to 90kHz—to reproduce the leading edge of transients with ultra-fast precision. Its lightweight 8-micron aluminum ribbon diaphragm, powered by super-strength neodymium magnets, outperforms heavy dome designs by eliminating time smear and revealing micro-details in every note.

  • Extended Frequency Response: Reaches up to 90kHz to unlock the “hypersonic effect,” making even CD and MP3 playback sound more analog-like and spacious.
  • Improved Transient Speed: The ribbon’s rapid response captures the attack of cymbals, strings, and percussion, enhancing realism across all instruments—even double bass gains unexpected clarity.
  • Full-Spectrum Enhancement: While focused on highs, it refines bass definition and midrange texture through better harmonic structure, creating a “miraculous” sense of ease and openness.
  • Versatile Compatibility: Integrates seamlessly with any high-quality speakers, from electrostatic panels like Quad ESLs to dynamic designs like PMC or Harbeth.

Audiophiles rave about the results: “The addition creates a more authentic ‘live’ experience, expanding the vertical soundstage like electrostatics”. In reviews, it’s praised for elevating systems without overpowering them, turning a solid hi-fi setup into a reference-level performer.Key Features of the Maximum SupertweeterCrafted in the UK by audio pioneer Max Townshend, this supertweeter embodies precision engineering in a sleek, miniature polished stainless steel (or satin black/matt silver) enclosure—just 3x5x10cm for discreet placement.

Feature
Details
Frequency Range
6kHz–90kHz (attenuated overlap for smooth integration)
Driver Technology
8-micron pure aluminum ribbon with neodymium magnets
Sensitivity Control
6-position switch (74–89 dB) for perfect matching to your speakers’ efficiency
Power Handling
Up to 350W; auto-resetting fuse protects against overloads
Cables
1.5m Deep Cryogenically Treated (DCT) Isolda Litz cables with banana plugs (spades optional)
Connection
Parallel to main speakers via piggyback bananas—simple, no amp needed
Placement
Centrally on top of speakers for optimal dispersion

Priced at around £1,495/$1,500 per pair, the Maximum Supertweeter includes a 30-day risk-free trial, so you can experience the upgrade in your own room.Setup and Integration Tips for Maximum PerformanceConnecting the Townshend Maximum Supertweeter is straightforward: Attach the provided cables across your amp’s speaker outputs or in-line with your tweeters. Start with the lowest sensitivity setting and adjust by ear while playing familiar tracks—aim for a balanced blend where highs feel extended yet natural. For best results:

  • Position on the inner top edge of your speakers, angled slightly downward.
  • Pair with Townshend’s Seismic Isolation Podiums to decouple vibrations and amplify clarity.
  • Test with high-res sources like vinyl or DSD files to hear the full harmonic richness.

Whether you’re reviving vintage electrostatics or fine-tuning modern actives, this supertweeter delivers the “sense of naturalness” that eludes conventional systems. Ready to hear music as it was meant to be? Elevate your hi-fi today with the Townshend Maximum Supertweeter—the pinnacle of ultrasonic audio innovation.

Additional information

Weight 1.2 kg
Dimensions 30 × 20 × 6 cm
Finish.

Satin Black, Matt Silver

1 review for Maximum Supertweeters

  1. tony

    My experience with Townshend Supertweeters

    For me, the best placement was dead centre top, in line with my tweeters, and at a level depth, flush with the front baffle of the main speakers. With cables, connections and positioning all satisfied I spun my first critical tune and sat down for a listen.. ..Wow.. The sound had changed, and not a tiny change either; it was quite a discernible change.
    The sound stage has grown, and the overall sound has matured, not just in the high frequency range but across the entire range! Vocals sound fuller and more correct, breaths on wind instruments were real, violin and strings in general sound as real as I’ve heard on my system to date, and the atmosphere on live recordings was more perceptible. Without exception, one of the best purchases I have made within Hi-Fi.

    If I could compare Hi-Fi to food, it would be like adding a little bit of salt to the food; the flavour was always there, but the salt makes the flavours stand out more and adds a further dimension to the complete flavour. That’s what the Maximum Supertweeters have done for my set-up. Just as a well-set-up subwoofer adds to the fullness and roundness of the sound, the Supertweeter does the same, also tailors the level to your preference and system matching, and away you go.

    Removing them after a few days has made the sound dull, flat and even two-dimensional. Was that really what I was calling decent quality Hi-Fi a couple of weeks ago?! What I had thought was a pretty good sound was now, without the Supertweeters, only mediocre in terms of sound quality. The difference was night and day. So obviously they were welcomed with open arms and reinstated into the system once I had established there was a “gap” without them.

    On first play the smile returned to my face and I earnestly started to rummage through my music collection to get another playlist together. At which point I should also tell you that I found the effect was still there even at night time listening levels, but it does need a few decibels to be “magical”.
    My 15W per channel Leak valve amps had no problems with the load on top of my speakers and when using full range “horn” speakers, these Supertweeters are simply a must have item and being quite minimal in operation they don’t seem to destroy the single driver sound of a good Lowther or Fostex, rather adding to it to give a fuller sound so long as you are careful with the volume level.

    Discretion is the key, and blending without over exuberance or understatement is a must and worth taking the time to tune in and get right because when you do, the sound is simply stunning… …In conclusion, my humble opinion can only be used as a guide because we all hear differently and we all like a different sound.

    The Townsend Maximum Supertweeters are well executed, well made, capable, very discrete super tweeters.

    In my opinion in terms of user friendliness and sound they are the best passive super tweeters I have heard on the market today and the fact I have purchased a pair with my own hard earned money is testament to how good they are and the impact they have had on the sound of my system.

    townshend-maximum-supertweeter-pair

    I am not going to get into the “snake oil” debate because they work within my hearing range and with all of the formats I use. Lossless on the MacBook, DAB, CD and analogue, vinyl and tape cassette all benefit from a fuller, more emotional sound.

    Science is excellent, and will one day crack cancer and HIV, but it struggles to quantify certain things in life, and one of those things is emotion. I’m sure my hearing doesn’t extend much above 16kHz or so, and yet the super tweeters work and work well for me.

    Transients, atmosphere, detail, attack, and sustain all benefit, as does timbre between instruments, sounds and especially vocals within the hearing range due to less distortion, less smearing and better definition at frequency extremes. Definitely not snake oil in my opinion..A worthwhile investment, and I will not be returning them or selling them on. Many Thanks, and keep the music musical..

    Patrick Thomas.

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Auto-Transformer Preamplifiers

Experience audio perfection with the Allegri+ and Allegri Reference, passive autotransformer pre-amps that banish noise and reveal stunning clarity.
From the Fractal™-wired transparency of the Allegri+ to the Reference’s 129-step precision and Seismic Isolation, your music unfolds in a breathtaking, holographic soundstage.

Audio Cables

Immerse yourself in sonic truth with Townshend Audio’s Fractal Speaker Cables and Interconnects, engineered for ultimate transparency.
Featuring proprietary Fractal™-treated copper, these cables banish distortion and unveil a captivating, lifelike soundstage that redefines audio fidelity.

Seismic Podium

Elevate your audio with the Townshend Podium and Seismic Range, where cutting-edge isolation banishes vibrations down to 3Hz.
These engineering marvels deliver a pristine, immersive soundstage, freeing your music from the distortions of the floor beneath.

Why Choose Isolda Speaker Cables?


Most speaker cables in the audio industry overlook the science of transmission line theory, resulting in micro-reflections that smear and veil the purity of sound. These reflections bounce between the source and speaker, muddying the music you love. The Isolda DCT Speaker Cable eliminates this issue through its unique geometry, closely matching the impedance of your amplifier and speakers. The result? A crystal-clear soundstage, lifelike 3d imaging, and seismic bass that transforms your listening experience.

Engineered for Audiophile Perfection

Crafted by hand in small batches, Townshend Isolda cables feature closely spaced, insulated flat copper conductors encased in a polyester braid sheath. This design makes them virtually immune to Radio Frequency Interference (RFI), ensuring a silent background that lets every note shine. Whether you’re listening to intricate classical compositions or powerful rock anthems, the Isolda delivers sound so natural, it feels like the artist is in the room.

Pure, Uncolored Sound

 

The Isolda DCT’s impedance-matched design (8 ohms) eliminates signal reflections, delivering music exactly as recorded. The Ear praises it as “one of the best speaker cables money can buy” for its neutral, fatigue-free sound.

Seismic Bass Power

Closely spaced EDCT copper ribbons produce deep, articulate bass with unrivaled solidity. townshendcable.com highlights “bass with a power that is truly seismic,” making every low note punchy and precise.

Stunning 3D Imaging

he cable’s low-inductance geometry creates a holographic soundstage, placing instruments with pinpoint accuracy. 6 Moons notes it “can convey a huge and realistic soundstage,” immersing you in the music.

 

 

 

Silent Backgrounds

 

Virtually immune to RFI due to its flat, closely spaced conductors, the Isolda DCT ensures pitch-black backgrounds.
 
With genuinely silent backgrounds,” letting subtle details shine.
 
 

Perfect Impedance Matching

With an 8-ohm impedance matching typical speakers, the Isolda DCT prevents distortion from mismatched cables. townshendcable.com explains this preserves square waves, ensuring “no ringing or distortion.”
 
 

Unequal Lengths, Same Sound

Unlike other cables, Isolda DCT Speaker Cables perform flawlessly even in unequal lengths. Thanks to their advanced impedance-matching technology, the sound from each speaker remains identical, regardless of cable length. This flexibility makes them ideal for any audio setup, from compact home systems to sprawling high-end rigs.

Explosive, Precise Dynamics

 

EDCT-treated conductors deliver lightning-fast transients and vast dynamics for thrilling playback. Every note snaps with energy from whispers to orchestral peaks, as HiFi Pig praises its “bass clarity and space,” emphasising high-current handling, ideal for dynamic genres like rock or classical. The Isolda DCT brings music to life with unmatched precision and power.
 

Natural, Fatigue-Free Sound

We’ve engineered the Isolda DCT for a relaxed, natural sound, free from harshness or edge. Impedance matching and RFI immunity ensure effortless music flow, perfect for vocals or acoustics, and one astute audiophile’s tale of his relief from “Alice-in-Wonderland” cable woes. Enjoy hours of fatigue-free listening with emotional depth and clarity.

Unleash Your Music’s True Potential

 The Townshend Isolda DCT Speaker Cable is your key to audiophile bliss.

 Transform your hi-fi into a sonic masterpiece. Don’t just listen—experience music with seismic power, stunning clarity, and soul-stirring emotion today.