Stirling Broadcast - Stirling Broadcast LS3/5a V2 Speakers With External Network

 (Speakers: Pair/Ebony)

Stirling Broadcast



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The Absolute Sound - 2006 Editors' Choice Awards The Absolute Sound 2007 Editors' Choice Award Stereophile Class B


After a long history of repairing and servicing LS3/5a's from within both the professional and amateur arenas, Stirling Broadcast became involved in the manufacture of LS3/5a loudspeakers after purchasing and reselling the bankrupt Rogers stock as NOS. Once an LS3/5a License had been obtained from the BBC, Stirling Broadcast commissioned the manufacture of new T27 and B110 drive units from KEF and reintroduced the LS3/5a to the market, to enthusiastic reception. Shortly afterwards Stirling Broadcast began its path of innovation in the LS3/5a world by introducing higher quality crossovers, referred to as 'SuperSpec', and thin-walled, screw-back cabinets modelled after the prototype LS3/5a cabinets and as seen on the 001/002 pair demonstrated at the HiFi News shows of 2001 and 2002.

Following problems and uncertainties with the continuing supply of T27 and B110 drive units Stirling Broadcast have introduced an updated version of the LS3/5a, unofficially known as the V2. The designer, a luminary in the audio industry, has utilised specially prepared SEAS and ScanSpeak drive units with high grade crossovers that accurately mimic the response characteristics of the original versions. Indeed, feedback from professional and domestic customers so far has indicated that Stirling Broadcast has successfully managed to capture the best aspects of both versions of the LS3/5a, combining the faster and more modern sound of the 11ohm version with the seductive vocal abilities of the 15ohm version, and adding an improved and extended bass response and greater power handling for good measure.

This 'V2' version retains the LS3/5a License from the British Broadcasting Corporation and is suitable as a drop in replacement for any working pair of LS3/5as. Several professional broadcast establishments have already deployed pairs of 'V2' LS3/5a's into production environments

Cicable Crossovers

The crossovers are designed as external units, so that they are not influenced by the loudspeaker cabinet vibrations and the magnetic field of the drive units. Special over-dimensioned components will reduce the amount of distortion by more than 50 db, so that distortion mainly depends on the amplifier and not on the loudspeaker crossover design.

Cicable uses specially wound autotransformers to achieve lossfree level matching of the tweeters. A positive side effect is a smoother impedance curve which is good for critical amps, especially valve amps. Special compensation networks smooth the impedance curve in the area of tweeter resonance even more.

- clean sound
- silky top performance
- more natural
- improved stereo image
- less fatiguing and artificial
- unique blend of analytical and musical sound reproduction
- extremely distortion-free
- improved amplifier matching (i.e. valve amps)
- individually matched

LS3/5a V2 Specifications:
System type: Two-way infinite baffle (sealed box)
Frequency response: 78Hz – 20kHz + 3dB
Sensitivity: 83dB for 2.83V @ 1m
Nominal impedance: 11 ohm
Bass/Midrange driver: Stirling SB4424 computer matched
Tweeter: Stirling SB4428 computer matched
Crossover: Stirling SuperSpec V2, bi-wireable
Dimensions: 11.9”H x 7.4”W x 6.6”D Weight: 10.8 lbs. each

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