- CONTENTS -
BASIC SPECIFICATIONS…………………………………………..1
PACKAGING…………………………….……………….………….2
DETAILED SPECIFICATIONS…………………………………….3
CONNECTIONS..………………………………………………….. 5
OPERATION ………….…………………………..….….………….7
BASIC TROUBLESHOOTING…………………………………….8
EXPLODED VIEW……………………………………………….…9
120V BLOCK DIAGRAM..……………………………………..….10
PCB DRAWINGS………………..………………………………...11
120V ELECTRICAL PARTS LIST …………….…….…………..15
INTEGRATED CIRCUIT/TRANSISTOR PINOUTS………....19
120V SCHEMATICS.……….………………………..…. ………20
L8400P BASIC SPECIFICATIONS
Amplifier Power (RMS) 600 Watts
Peak Dynamic Power * 1200 Watts
Frequency Response (–3dB) 22Hz – Low-pass crossover frequency
Low-Pass Crossover Frequencies 50Hz – 150Hz, Continuously adjustable
Low-Frequency Transducer 12" (300mm) PolyPlas™ cone
Baffle Low diffraction, IsoPower™
Enclosure Sealed
Inputs Gold-plated 5-way binding-post speaker-level;
Left and right line-level, switchable to LFE
Outputs 150Hz when using speaker-level connection
Gold-plated 5-way binding-posts
Dimensions (H x W x D) 16-1/2" (15-1/2" without feet) x 15-1/2" x 15-1/2"
(419mm [394mm without feet] x 394mm x 394mm)
Weight 58 lb (26.4kg)
* The Peak Dynamic Power is measured by recording the highest peak-to-center voltage produced by the power
amplifier with its limiters disabled, across the output of a resistive load equal to minimum impedance of the
transducer, using a 50Hz sine waveburst, 3 cycles on, 17 cycles off.
Occasional refinements may be made to existing products without notice but will always meet or exceed original
specifications unless otherwise stated
L8400P L series
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