LEAK
LEAK Sandwich 250
LEAK Sandwich 250
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LEAK Sandwich 250 – Vintage British Loudspeakers
Iconic Sandwich Cone Technology with Warm, Natural and Expressive Sound
- Classic 3-way loudspeaker design for full-range musical reproduction
- Legendary sandwich-construction woofer offering rigidity, speed and low coloration
- Dedicated midrange driver providing articulate vocals and lifelike presence
- High-frequency dome tweeter delivering smooth, extended treble
- Well-damped cabinet reducing resonance for clean and natural sound
- Vintage British tuning with warm tonality and coherent imaging
- Sought-after audiophile classic appreciated for its musical, inviting character
The LEAK Sandwich 250 is an iconic British loudspeaker cherished for its pioneering sandwich-cone technology and unmistakably musical sound signature. Built during a golden era of British hi-fi engineering, the 250 model refines the original concept with an improved driver complement and a larger enclosure, allowing deeper bass, clearer midrange and a more spacious presentation.
At the heart of its design is the distinctive sandwich woofer: a lightweight yet rigid diaphragm formed from a layer of polystyrene bonded between two sheets of aluminium. This construction dramatically reduces cone flex and coloration, giving the bass a taut, responsive and highly articulate character. Low frequencies sound confident but never bloated, integrating seamlessly with the midrange driver.
The dedicated midrange driver adds exceptional clarity and presence to vocals and acoustic instruments, lending recordings a natural warmth and realism. The tweeter complements this with smooth, extended high frequencies that remain refined and detailed without becoming harsh. Together, the three-way design delivers a coherent, balanced and thoroughly engaging soundstage.
With its understated cabinet design and refined proportions, the Sandwich 250 remains a visually elegant loudspeaker that fits comfortably into both vintage-themed rooms and modern interiors. Its sonic qualities—warm, inviting, dynamic and musically honest—make it a favorite among collectors and enthusiasts seeking a timeless playback experience rooted in authentic British hi-fi tradition.
📐 Technical Specifications – LEAK Sandwich 250
- Type: 3-way passive loudspeaker
- Woofer: Sandwich-construction low-frequency driver
- Midrange: Dedicated midrange cone driver
- Tweeter: High-frequency dome tweeter
- Frequency Response: Wide-band response suitable for full-range listening
- Impedance: 8 ohms nominal
- Sensitivity: Medium efficiency, compatible with vintage and modern amplification
- Power Handling: Recommended for low to moderate amplifier power
- Enclosure: Well-damped wooden cabinet with classic proportions
- Dimensions: Traditional floorstanding/light tower footprint
- Finish: Vintage wood veneer typical of LEAK designs
🎯 Ideal Use Cases
- Vintage hi-fi systems and collectors seeking classic British sound
- Tube amplifier setups benefiting from natural midrange and forgiving impedance
- Small to medium listening rooms
- Musical genres emphasizing acoustic realism, such as jazz, classical and vocal recordings
- Listeners who value warmth, natural tonality and long-term musical enjoyment
The LEAK Sandwich 250 remains one of the most musically engaging and historically important vintage loudspeakers. Its innovative engineering and expressive sound make it a cherished addition to any classic hi-fi system.

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