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Meridian Audio Limited
Latham Road
Huntingdon
Cambridgeshire PE29 6YE
England
T +44 (0) 1480 445678
F +44 (0) 1480 445686
Meridian America Inc
8055 Troon Circle, Suite C
Austell, GA 30168-7849
T +1 (404) 344 7111
F +1 (404) 346 7111
www.meridian-audio.com
C51 v0.92ß Pxxxxx 20071119 • REƒ
This is a preliminary document and is subject to
significant change without notice.
Meridian retains the right to improve or modify product
specifications and design at any time. E&OE.
C51 Active Speaker Power Unit
C51 Powered Crossover/Amplifier
Output power 10 channels of 100W into 8Ω / 160W into 4Ω, arranged in
5 x HF/LF pairs sourced from full-range input via crossover
module
Frequency response +0/–3dB, 10Hz–50 kHz (modified by crossover characteris-
tics)
Output impedance 20–150mΩ, 1–20kHz
THD+Noise Typical: 0.1% @ 60W output, 0.008% @ 1W
Full-range Inputs 5 x Mono unbalanced (phono) impedance 10 kΩ
5 x Mono balanced (XLR3F) impedance 20 kΩ/leg
Switch-selected between balanced and unbalanced
Outputs LF and HF pairs of gold-plated binding posts per channel
pair
Other connections 12vdc, 5W Temperature controlled fan output (3.5mm
jack)
5–30V ac/dc trigger input (3.5mm jack)
Controls Rear-panel balanced/unbalanced input switch per input.
Rear panel main power switch.
Indicators Blue LED power indicator
Per-channel blue LED operation indicator
Power 100–240Vac, 30–1200VA
Dimensions
Main enclosure 435 x 82 x 250 mm (17.25 x 3.25 x 9.75 in) W x H x D
Front panel 485 x 87.5 x 12 mm (19 x 3.45 x 0.5 in) W x H x D
Weight TBC kg (xx lb)
Crossover cards
Cards are supplied with each active installation loudspeaker system. These feature
premium quality Burr-Brown operational amplifiers and four-layer printed circuit
boards. LEDs indicate presence of rail voltages while the colour combinations con-
firm the type of crossover in place. Cards plug into sockets on the front panel of the
C51.
Meridian Audio reserves the right to amend product specifications at any time.
Outline Specifications
C51 front and rear panels
PRELIMINARY MERIDIAN C SERIES