Ifi Retro LS3.5 User Manual

RETRO

Monitor Loudspeaker

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Natural bamboo cabinet

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ideband driver

W

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ilk dome tweeter

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Speaker Terminals

- connect speaker wires here.

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Noise-reduction low turbulence port

4.5”

1.1”

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R E T R O L S 3 . 5 Sp e a ke r

Features

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The iFi RETRO LS3.5 speaker was inspired by the legendry BBC LS3/5a speaker. In order to create
the most open, natural and organic sound, iFi uses the latest technologies combined with natural
materials, to create the LS3.5.

The wideband driver is custom-made to iFi's high specifications. It is made of the super-light

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coated natural paper for ultra-fast response and excellent efficiency.

The super tweeter employed is no ordinary tweeter neither, again it is custom-designed and is

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performing the job of a super-tweeter. It is made of transparent organic silk, and horn-loaded,
to create a coherent image with the wideband driver.

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The cabinet utilised is an advanced multi-chamber P.G.A.H Voigt tuned enclosure with a low
turbulence port to reduce port noise at high levels. This design enhanced the bass performance of
the small speaker to a level seldom achieved before.

The cabinet is made from natural, sustainable bamboo. It is 3 times as strong and has the

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weight of a normal wood cabinet. The extra strength and light weight reduce cabinet coloration
s i g n i f i c a n t l y t o e n a b l e t h e L S 3 . 5 t o c r e a t e a w i d e , o p e n , y e t a c c u r a t e s o u n d .

Each cabinet is tuned using tuning elements (sound bar and braces) from musical instrument

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manufacturing.

Time-aligned tweeter and wideband driver for a perfect sound field.

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Advanced amino-plastic open cell acoustic foam for best bass performance and a clean midrange.

Maximum surface contact gold-plated copper speaker terminals.

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RETRO LS 3.5 Speaker

Sensitivity:

Freq response:

Drivers:

Enclosure Principle:

Dimensions (W x H x D):

Impedance: 4

Weight: 3.5kg

90dB/2.83V/1m

5 9 H z - 2 0 k H z

1 . 1 ” ( 2 8 m m ) T r a n s p a r e n t S i l k D o m e T w e e t e r

4 . 5 ” ( 1 1 5 m m ) P a p e r C o n e W i d e b a n d D r i v e r

P.G.A.H Voigt tuned Enclosure with Slot port

Natural Bamboo Cabinet

Acoustic Active Tuning with minimal damping

146 X 268 X 226mm

Ω

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