SKU: 8928697285

Leak Sandwich 150 Loudspeakers

$987.75 $1097.50
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Description

Leak Sandwich 150 LoudspeakersLeak Sandwich 150 Loudspeakers The Leak Sandwich 150 and 250 are the pinnacle of innovation that commenced in 1961 with the original Leak Sandwich. Those technological advancements are implemented with the utmost regard for tradition, as well as the continual aspiration to forge sound reproduction equipment of the highest quality, accessible to every discerning audiophile. A major loudspeaker invention Throughout the history of broadcasting and

Leak Sandwich 150 Loudspeakers

The Leak Sandwich 150 and 250 are the pinnacle of innovation that commenced in 1961 with the original Leak Sandwich.

Those technological advancements are implemented with the utmost regard for tradition, as well as the continual aspiration to forge sound reproduction equipment of the highest quality, accessible to every discerning audiophile.

A major loudspeaker invention

Throughout the history of broadcasting and recording, certain exceptional developments have become milstones in the progress of sound reproduction.

One such milestone was the world’s very first low distortion amplifier – the famous original Leak Point One, in 1945.

Another was the pioneering major breakthrough with the invention of the fantastically rigid Leak sandwich cone diaphragm – which was demonstrably of great strength and many times stiffer than all conventional forms of cone, of its time.


To understand the impact of this innovation, one must remember that to obtain low distortion, the movement of a loudspeaker diaphragm, or cone, should follow as accurately as possible the waveform of the signals applied to its voice coil.

The ability of the current to follow these impulses accurately depends upon the lightness and stiffness of the cone assembly.

Many conventional cones: paper, impregnated fabric, plastics, aluminium etc all generally suffer from low stiffness.

This results in significantly larger areas of the cone vibrating in motion, uncontrolled by the voice coil.

These uncontrolled emotions produce transit “hangover”, amplitude distortion (peaks and troughs in the frequency response) and intermodulation distortion (lack of clarity of spurious tones).

Those shortcomings are inherent in almost all direct radiator loudspeaker systems using conventional cones, irrespective of cost.

Axial pressure response of Sandwich 150 Loudspeaker


All of these shortcomings are overcome by the Leak Sandwich construction.

Originally presented in 1961, the Sandwich used engineering and design principles applied to airframe construction.

Now, reintroduced and re-engineered with modern-day learnings, the new Leak Sandwich cone comprises of a stiff aluminium skin for the outer surfaces (where the stresses are greatest) bonded to a thick core of a polymethacrylimide (PMI) based structural foam, often used aerospace and the automotive industries.

This applied, precision-engineered use of the most suitable materials in optimum proportions and dispositions gives immense rigidity.

This means the Leak Sandwich cone reproduces the signal applied to the voice coil, totally free from mechanical break-up and its associated distortions. The result is a remarkably smooth frequency response, free from violent peaks or troughs over a very broad frequency range, indicative of an excellent, transient response.


It is not often sufficiently realised how profound the influence of the loudspeaker housing (the cabinet) is on the overall acoustic performance.

Its design requires a great degree of electroacoustic knowledge as a design of the motor units themselves.

The new Leak Sandwich cabinet benefits from 60 years of technological development since the original.

The structure consists of a composition of MDF and composite board, thus creating a second ‘sandwich’ reference, with the boards layered for optimum cabinet strength.

While the new cabinet fuses intelligent bracing with this ‘sandwich’ of materials, it also maintains a specific front-rear bracing, with the distinct, visible countersunk screw on the rear – a famous trait of the original.



With the Leak Sandwich 150 and 250, the high-frequency driver has been developed, incorporating a rear chamber damped to absorb the output from the back of the dome.

This innovation not only isolates the HF unit from the rest of the loudspeaker, it has the added benefit of reducing the resonant frequency of the treble unit.

Taking the resonant frequency below the crossover region means the audible spectrum of the bass, mid and high frequencies can be sewn together with an added dimension of detail and harmonics, eliminating the requirement to harshly adjust the definition of the high-frequencies.

And that very sewing is conducted by a crossover of the highest order, developed over thousands of hours of listening, not just simulation as is the tendency in modern loudspeaker design.



The Leak Sandwich 150 comes in the format of a 2-way standmount loudspeaker with a combination of 6.5” (170mm) low-frequency ‘Sandwich’ driver and a 1.2” (30mm) coated textile dome high-frequency driver.

Learn more about this product in our detailed video review:


LEAK Sandwich 150 Specifications


Model Sandwich 150
General description 2-way vented-box/standmount
Design philosophy and core technology
Enclosure type Bass reflex
Transducer complement 2-way
ABR
Bass driver 6.5"(170mm) Aluminium-Foamcore Sandwich cone
Midrange driver
Treble driver 1.2"(30mm) Coated Textile Dome
Full-range driver
AV shield No
Sensitivity (2.83V @ 1m) 86.5dB
Recommended amplifier power 25-150W
Peak power handling
Peak SPL 106dB
Nominalimpedance 6Ω (8Ω Compatible)
Minimumimpedance 4 Ω
Frequency response(+/-3dB) 44Hz - 26kHz
Bass extension(-6dB) 38Hz
Crossover frequency 2.4kHz
Cabinet Volume (in litres) 19.6L
Dimensions(mm)
Height (on plinth) 415mm
Width 250mm
Depth (with terminals) (290+25)mm
Carton size 650*400*530mm
Net weight 12.3kg/pcs
Gross weight 27kg/ctn
Finish Real Wood Veneer - Walnut
Standard accessories Rubber feet
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 8928697285

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4.2 ★★★★★
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Catherine Pognat
Fort Morgan, US
★★★★★ 3
Is it really leather?
Doesn’t seem to be genuine leather but rather PVC
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
N
Verified Purchase
Nancy Lesslie
Carnegie, US
★★★★★ 5
Beautiful brown leather, great quality
Color: Coffee
Very nice quality, as described and great size. Not as heavy as my previous all leather purse. No zipper, has magnetic fastener inside and a flap with twist to lock closure. Adjustable strap. Beautiful color. Would definitely buy again in black as I’m fairly certain with proper care this purse will last for years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
A
Verified Purchase
Alex Phan
Grantham, US
★★★★★ 5
Great medium sized purse
Color: Coffee, Color: Coffee
Such a beautiful purse for a reasonable price! I love everything about this purse. It’s the perfect medium size, it holds its shape without being too stiff. The hardware and straps are high quality. Comes with 2 straps (a crossbody and a shoulder strap) that are adjustable. Lots of room inside with a zipper pocket and a side pocket…I’m not even using the storage to its full potential but it can hold a good amount of items with being just a medium sized purse. I added a scarf from Amazon as a fun detail. Every other purse I’ve looked at is either too small or too big/expensive and this is just perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2025
L
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Lisa T.
Dallas, US
★★★★★ 5
Beautiful
Color: Coffee
Well made purse it’s beautiful!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2026
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 2
Lacks flexibility.
Color: Coffee
The leather on this bag is very stiff, with no flexibility. Interior difficult to access due to the stiffness of the leather. The design is simple and attractive with nice finishes on the bag. Unfortunately, the leather is just too inflexible in my opinion.
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Reviewed in the United States on November 19, 2025

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