User guide

6
Introduction
Specifications
Connections
Meridian SpeakerLink (RJ45) input and output,
providing balanced digital audio, Meridian Comms,
and serial interface.
Digital co-axial input and output.
Meridian BNC Comms input and output.
Signal processing
1 x Freescale 56367 running at 150MHz.
Special Edition: 2 x Freescale 56367 running at
150MHz.
4 x 24-bit Multi-bit delta-sigma DACs with 128x
oversampling.
Crossover minimum-phase at 2.6kHz.
Output stages
Power amplifiers: Complementary bipolar design, with
output-stage error correction and twin loop design.
Bass: 3 x 150W.
Mid: 150W.
Treble: 150W.
Total: 750W.
The DSP8000 includes drive unit thermal protection.
Acoustic
3  way.
Closed bass enclosure.
Separate mid/top plywood cabinet.
Bass drive unit: 6 x 200mm (8") high-efficiency long-
throw custom drivers.
Mid drive unit: 1 x 160mm (6") custom driver.
Treble drive unit: 1 x 25mm (1") Boothroyd Stuart
piston in short horn, composite dome with silver
voice-coil.
Special Edition treble drive unit: 1 x 25mm (1")
Meridian piston in short horn, beryllium dome with
silver voice-coil.
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Characteristics
Distortion: <0.02% up to full power.
Noise and hum: <-94dBr at all volume settings.
Acoustic output: typically >115dB spl @ 1m.
Acoustic noise: <15dB spl @ 1m.
Frequency response: in room response within 3dB,
25Hz-20kHz.
Special Edition frequency response: in room response
within 3dB, 25Hz–32kHz.
Cabinet
Entire speaker manufactured from interlaminated
panels.
Glass front.
Finished in high-gloss piano lacquer.
400mm x 1300mm x 528mm (15.7" x 51.2" x
20.8") W x H x D excluding feet.
105kg (231lb) each.
Power
100-125; 200-250V AC 50-60Hz.
20VA standby; 920VA max.
Meridian Audio reserves the right to amend product
specifications at any time.
Available accessories
Other applications, and some advanced features, may
require one or more of the following accessories, which
can be purchased from your Meridian dealer:
MSR+ remote.
Interconnecting leads.
AC11 SpeakerLink Hub, to allow interconnection
between newer products with SpeakerLink
connectors, and products with Meridian BNC Comms
or Meridian DIN Comms connectors.
AC12 SpeakerLink accessory, to allow
interconnection to older Meridian source or controller
products.
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