Crest Audio CPX 1 Bruksanvisning

Crest Audio Mottaker CPX 1

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www.crestaudio.com
CPX Series Power Amplifiers
CPX
TM
1 | CPX
TM
2 | CPX
TM
3
Operating
Manual
TEMP
PWR
6
16
20
23
26
29
32
6
16
20 23
26
29
32
SIG SIG PWR
CPX 1 POWER AMPLIFIER
GCL
TM
GCL
TM
TM
PWR
ON
TEMP
PWR
6
16
20
23
26
29
32
6
16
20 23
26
29
32
SIG SIG PWR
CPX 2 POWER AMPLIFIER
GCL
TM
GCL
TM
TM
PWR
ON
TEMP
PWR
6
16
20
23
26
29
32
6
16
20 23
26
29
32
SIG SIG PWR
CPX 3 POWER AMPLIFIER
GCL
TM
GCL
TM
TM
PWR
ON
TM
FCC/ICES Compliancy Statement
This devic
e complies with Part 15 of the FCC. Operation is subject to the following two conditions: (1) this device may
not cause harmful interference, and (2) this device must accept any interference received, that may cause undesired
operation.
Le présent appareil est conforme aux CNR d’lndustrie Canada applicables aux appareils radio exempts de
licence. L’exploitation est autorisée aux deux conditions suivantes: (1) I’appareil ne doit pas produire de
brouillage, et (2) I’utilisateur de I’appareil doit accepter tout brouillage radioélectrique subi, même si le
brouillage est susceptible d’en compromettre le fonctionnement.
Warning: Changes or modifications to the equipment not approved by Crest Audio can void the user’s
authority to use the equipment.
Note – This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in
a residential area is likely to cause harmful interference in which case the user will be required to correct the
interference at their expense.
Crest Audio 5022 HWY 493 N.
Meridian, MS 39305 (601) 483-5365 FAX (601) 486-1278
2
ENGLISH
3
CPX SERIES PROFESSIONAL STEREO POWER AMPLIFIER
INTRODUCTION
Congratulations! You have just purchased one of the world’s finest professional power amplifiers. The CPX amplifier features a two-
way crossover and sub-sonic
(low-cut) filter for each channel. Crossover frequencies are fixed at 150 Hz, allowing subwoofers to be
driven at extremely high sound pressure levels, and the filters cut at 40 Hz to prevent low-end rumble. Using proven technology
gained through years of amplifier design, this unit takes advantage of rugged TO-3P output devices mounted on massive aluminum
extrusions and dissipates heat via an extremely quiet and effective two-speed fan. CPX amplifiers are designed to operate at line
voltages as low as 50% of nominal, employing mammoth toroidal power transformers and offering impressive specifications and
features not found on similarly priced competitive units. This amp is designed to drive a 2 Ohms load per channel, thus achieving
awesome performance levels into 4 Ohms in BRIDGE mode. CPX amplifiers are ruggedly constructed, rack-mountable pieces of gear
with superb patching capability, allowing superior flexibility in application. Front panel features include calibrated, detented gain (dB)
controls and LED indicators for power (PWR), signal presence (SIG), Thermal Protection indicator, and GCL™ activation on each
channel, as well as a rocker mains POWER switch. The back panel contains an IEC connector, line voltage selector switch, dual
primary fuses, and the critical cooling fan opening. This opening should have an adequate supply of cool air and should never be
blocked or restricted. Also on the back panel are the input and output sections, including an input barrier strip for permanent
installations. Each channel input section includes a combo XLR / TRS phone jack connector, THRU/LOW out and HIGH out TRS
jacks, and activation switches for the LOW CUT filter and crossover (150 Hz XOVER). Channel output sections feature dual shock-
proof binding posts and four-conductor twist lock connectors. An additional four-conductor twist lock connector allows BRIDGE mode
output.
UNPACKING
Inspect the amplifier during unpacking. If any damage is found, notify your dealer immediately. Be sure to save the carton and all
packing materials. Should you ever need to ship the unit back to Crest Audio®, one of its service centers, or the dealer; use only the
original factory packing.
INSTALLATION
CPX professional power amplifiers are designed for durability in commercial installations and provide the quality performance required
in studio and home applications. They are two-rack-space units of 15.5" (380 mm) depth designed to mount in a standard 19" rack.
Rear mounting ears are provided for additional support. The minimum rack depth required from the mounting surface is
17" (432 mm) to allow adequate connector clearance.
BASIC SETUP
Before mounting, make sure the line voltage selector is set to the correct voltage (page 5).
Rack mount the amplifier in the location where it is to be used, remembering to allow for adequate access and cooling space. Make
all the connections to the desired INPUT connectors on the desired channel. Select the proper mode configuration (STEREO or
BRIDGE). Connect speakers to the desired OUTPUT connectors.
Make sure the load impedance is greater than 2 Ohms per channel (4 Ohms bridged) to prevent the amplifier from shutting down.
With the POWER switch OFF, connect the IEC cord (8) to the amplifier and then to an outlet of the proper voltage. With both channel
gain controls turned fully counterclockwise, turn the Power switch on, and raise the gain controls to achieve the desired sound level.
Please carefully review this manual to learn about all the features and designed-in behaviors of your new CPX Series power amplifier!
TM

Produkspesifikasjoner

Merke: Crest Audio
Kategori: Mottaker
Modell: CPX 1

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