Meridian America DSP420 Speaker User Manual


 
8
Introduction
Specification and accessories
Frequency response 55Hz-20kHz ± 3dB
Crossover Linear-phase ±30º at 2.3kHz.
Drive units Woofers: 2 x 127mm (5") carbon fibre
custom drivers, cast alloy chassis.
Tweeter: 1 x 25mm (1") aluminium dome
neodymium magnet, with protective
grille.
Control 2 x Meridian Comms.
9-pin D connector for RS232 PC setup
and control, null modem, 9600 baud,
2N1, no handshake.
Cabinet Aluminium front baffle with sealed,
mechanically dampened and insulated
acoustic enclosure.
Dimensions Frame 457mm (18") square x 89mm
(3.5").
Hole cutout 420mm (16.54") square.
Power 100-125; 200-250V AC 50-60Hz.
6VA idle; 200VA max.
Meridian Audio reserves the right to amend product
specifications at any time.
Specification
Digital inputs 1 x cable, 75, IEC958, 44.1kHz-96kHz.
FIFO locks at 44.1, 48, 88.2, or 96kHz ±
150ppm, PCM and MHR.
1 x digital output cable, 75Ω, IEC958,
providing a copy of the selected input.
Processing 1 x Motorola 56364 running at 100MHz.
Power amplifiers Low feedback complementary bipolar
design, with output-stage error
correction and twin loop design.
Treble: 65W RMS.
Bass: 85W RMS.
Digital to analogue 96kHz/24-bit.
conversion
Distortion Typically <0.01%, or <0.05% up
to full power at all frequencies.
Noise and hum <-95dBr at all volume settings.
Acoustic output Typically >104dB spl @ 1m.
Acoustic noise <15dB spl @ 1m.