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11L Classic
SIGNATURE
DESIGNER
SIGNATURE
CODE:QH10-BR0015
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The 11L Classic Signature also utilises a multi-layer cabinet construction with additional internal bracing to significantly reduce cabinet colouration and resonance. Special long fibre damping is utilised to randomize internal
reflections and thus prevents standing waves from forming. The result is that you hear the output of the drive units
without interference from the cabinet structure or reflected sound from the internal volume.
Each pair comes with a
Certificate of Authenticity
containing a message from
its designer whilst attesting to
the quality and performance
ability of each 11L Classic
Signature pair.
Performance that goes beyond the scale of its dimensions’
is the most common description to the 11L Classic bookshelf speaker, and building upon this positive reception,
Quad unveils a special 11L Classic Signature edition.
Voiced for a clean, natural midrange performance with
crisp, punchy bass performance, the new 11L Classic
Signature will delight and deliver flawless performances,
unequalled reliability and remain a stunning centerpiece of
your audio system for decades.
So what’s so special about the new 11L Classic Signature?
It employs the same major aspects as its slightly older sibling such as in its long-throw Kevlar cone driver that has been
manufactured using our proprietary bi-directional Kevlar weave, made from self-damping resin-impregnated fibre form of
the material, then lattice woven to create the appropriate stiffness, strength and weight, and later formed into a cone and
mounted on a butyl rubber surround.
Its tweeter utilizes a precision-engineered waveguide to integrate the midrange and treble in a totally coherent way. The
motor system of the bass-midrange has been vastly improved for a more linear motion and lower distortion. Acoustically
the drive units are combined by an advanced phase-linear crossover utilizing low distortion inductors and high clarity
polypropylene capacitors in the signal path. Phase coherency is particularly important to ensure the bass integrates
perfectly with the treble, and of course to create a truly holographic stereo image – the hallmark of the classic Quad
sound.
It has two pairs of binding posts for bi-wiring. This involves the use of two pairs of separate cables between the amplifier
and the loudspeakers. One connects to the treble unit while the other to the bass driver. Using separate cables for treble
and bass units reduces intermodulation effects while improving headroom and clarity.
* Specifications are subject to change without prior notice.
Available Finish Options:
Sapele Mahogany Sapele Mahogany Red
Sapele Mahogany Black
Format
Enclosure Type
Bass/Mid Driver
Tweeter Driver
Crossover Frequencies
Frequency Response +/-3dB
Sensitivity SPL/M @ 2.83V
Nominal Impedance
Recommended Amplifier
Dimensions (H x W x D)
Net Weight
Bookshelf
2-way vented box loudspeaker
5"(125mm)
1"(25mm) fabric dome
2.2KHz
48Hz - 22kHz
87dB
6 ohms
30-150W
310 x 190 x 243 (w/ grille) mm
6.3 kg each
Specifications
11L Classic
SIGNATURE
Its major improvements were directed into its crossover. The art of a good crossover
is simplicity. Since we make our own loudspeaker components in-house, our
engineers are able to give focus on designing a crossover so that it retains all of the
precious mid-range detail and purity, ensuring as smooth as possible an integration
between bass and treble.
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