Specifications
LEGEND 4000 Precision Sound Reproducer by John Watkinson
Description Floor-standing phase linear virtual point source active speaker system
Frequency response 20 Hz – 35 kHz
Max SPL @ 1m 105 dBA
Noise SPL @ 14cm < 0 dBA (Under hearing treshold at the cloth, powered on, without input)
Rise time
15 micro seconds (0,000015 s)
Amplification needed Power amplification is built-in. The units connect to a pre-amplifier output.
Signal processing
Analogue electronic active phase linear proprietary cross-over circuits
Tightly controlled electromagnetic transducers for three frequency bands
Acoustical secondary cross-over for re-assembly of frequency channels
Acoustical lens and wave guide for creating a small virtual point source
Amplification power Continuous 300W total, Instantanous peak power 800W total
Power amplification type Class A-B. A separate amplifier for each frequency channel, convection cooled
Power supply type Toroidal transformer, high grade capacitors and regulators. Dual, Symmetrical.
Drive units 2 x 20 cm long throw woofers with 3 inch coils and neodymium magnets
1 x 10 cm midrange with 2 inch voice coil and neodymium magnet system
1 x 20 cm bending wave driver with 3 inch coil and neodymium magnets
Acoustical processing Proprietary sound reflector and wave guide system, which re-assembles frequency channels and creates an omnidirectional virtual point source
Enclosure Separately sealed enclosures for each frequency channel, from folded plate steel, braced and dampened
Input signal Balanced Analogue +4 dBU
Power requirements
100-120V or 200-240V AC (switchable), 50 or 60 Hz
Input connectors 1 x XLR balanced signal input connector, 1 x IEC earthed power input connector
Dimensions 75 x 26.5 x 26.5 cm (29.5 x 10.4 x 10.4 inch)
Weight 25 kg (55 lbs)
Finish Tissue, painted wood and anodised aluminium
Custom colours and wood finishes are possible
Country of origin
Hand build in the United Kingdom
Supplied Accessories
User manual
www.legendspeakers.com info@legendspeakers.com