Specifications - Meridian DSP420 User Manual

6
Introduction

Specifications

Connections
• Digital input: 1 x balanced digital (AES/EBU) input
on RJ45. 32kHz – 96kHz sampling rates.
• Digital output: 1 x RJ45 with balanced digital audio
and control for a second loudspeaker.
• 9-pin D connector for RS232 PC setup and control,
null modem, 9600 baud, 2N1, no handshake.
Digital formats
• 44.1–96kHz. FIFO locks at 44.1, 48, 88.2, or
96kHz ±150ppm.
• PCM using SPDIF/IEC60958, or MHR connection
support with auto-detection.
Signal processing
• 1 x Motorola 56364 running at 100MHz.
• 1 x 24-bit Multi-bit delta-sigma DAC with 128x
oversampling.
• Crossover linear-phase ±30º at 2.3kHz.
Output stages
• Power amplifiers: Low feedback complementary
bipolar design, with output-stage error correction and
twin loop design.
• Bass: 85W RMS.
• Treble: 65W RMS.
Acoustic
• Bass drive units: 2 x 127mm (5") carbon fibre
custom drivers, cast alloy chassis.
• Treble drive unit: 1 x 25mm (1") aluminium dome
neodymium magnet, with protective grille.
Characteristics
• 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.
• Frequency response: 55Hz-20kHz ± 3dB
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
• Power: 100-125; 200-250V AC 50-60Hz.
• 6VA idle; 200VA max.
Meridian Audio reserves the right to amend product
specifications at any time.
Available accessories
The DSP420 is shipped ready to be used as a
loudspeaker in a small Meridian Digital Theatre with a
Meridian DVD Player (such as the 800 or G96) or a
Meridian Digital Surround Controller (such as the 861,
G68, or G61R).
Other applications, and some advanced features, may
require one or more of the following accessories,
which can be purchased from your Meridian retailer:
• Meridian System Remote Plus (MSR+).
• G12 Remote Eye for remote control reception.
• Meridian SpeakerLink cables (available in various
lengths).