Crest-audio CPX 3800 User Manual

CPXTM 3800Power Amplifier Owner’s ManualCPX®

p. 10welcome Congratulations on your purchase of the CPX 3800 Series, a power ampli-fier designed for years of reliable, flawless operation under rigo

p. 11installation2unpackingmountingconnecting powercooling requirementsoperating precautionsconnecting inputsconnecting outputs/ what to do with

CPXTM owner’s manual p. 12installation2unpackingUpon unpacking, inspect the amplifier. If you find any damage, notify your supplier immedi

2p. 13installationMake certain that there is enough space around the front and rear of the amplifier to allow the heated air to escape. suggestion: In

connecting inputsInput connections are made via the three-pin XLR (pin 2+) or 6.3 mm plug “Combi” connectors on the rear panel of the amplifier. The i

front panelrear panel/ location of connectors and controls/ legend of panel symbols3p. 15features overview

p. 16CPXTM owner’s manual features overview1front panelswitches and controls1 AC Power Switch/Circuit Breaker The CPX Series amplifiers have a combin

p. 17features overview3indicatorsCPX™ Series amplifiers feature three front panel LED indicators per channel: GCL™, SIGNAL and POWER. These LED ind

p. 1features overview3rear panel 6 IEC Mains Connector This is a standard IEC power connector. An AC mains cord having the appropriate AC plug a

p. 19features overview37 Low Cut Switch This switch is used to activate the LOW CUT filter for the corresponding channel. It is a push-type switch

Este símbolo tiene el propósito, de alertar al usuario de la presencia de “(voltaje) peligroso” sin aislamiento dentro dela caja del producto y que pu

p. 20features overview3CPXTM owner’s manual 0 Conn. Mode Select SwitchDepressing the rear panel CONN. MODE select switch connects both input con

p. 22operation modes4stereoparallelbridged mono / choosing the appropriate mode/ switching between operation modes/ special considerations

p. 23stereo For stereo (dual channel) operation, turn the amplifier off and set the mode select switches on the back panel to the OUT (extended) posit

p. 24protection features5GCL™ gain comparator limitingIGM™ impedance sensingAUTORAMP™ signal controlthermal protectionshort circuitDC voltage

p. 25protection features5The CPX Series amplifiers incorporate several circuits to protect both themselves and loud-speakers under virtual

turn-on/turn-off protectionAt power-up, the amplifier stays in the protect mode with outputs disconnected for approximately six seconds

p. 27safety6speaker protectionuser responsibility/ protecting your speakers/ the owner’s role in amplifier safety

p. 2CPXTM owner’s manual safety6speaker protectionAll loudspeakers have electrical, thermal and physical limits that must be observed to prevent dama

p. 29service and support7/ when to get support/ ways to contact Crest Performancesupportcontact us

IMPORTANT SAFETY INSTRUCTIONS WARNING: When using electrical products, basic cautions should always be followed, including the following:1. Read th

p. 30supportIn the unlikely event that your amplifier develops a problem, it must be returned to an authorized distributor or service cent

p. 31CPXTM SeriesCPX 3800Rated Power Bridged 8 ohms 2650 watts @ 1 kHz at <0.1% T.H.D.Rated Power (2 x 4 ohms)1300 watts per channel @ 1 kHz at &l

bwire gauge power loss into power loss into power loss into (AWG) 8 Ω load (%) 4 Ω load (%) 2 Ω load (%)p. 321816141210.79.50.31.20.1251.581.00.

p. 33glossary of terms (for setup)StereoMusic with two separate channels, usually a left and right channel.MonoMusic with only one channel.CrossoverAn

NOTES

CREST AUDIO LIMITED WARRANTYEffective Date: November 1, 2000What This Warranty CoversYour Crest Audio Warranty covers defects in material and workmans

http://www.crest-performance.com CPXTM Owner's Manual 01/18/2006 80303153

WICHTIGE SICHERHEITSHINWEISEACHTUNG: Beim Einsatz von Elektrogeräten müssen u.a. grundlegende Vorsichtsmaßnahmen befolgt werden:1. Lesen Sie sich die

INSTRUCTIONS IMPORTANTES DE SECURITE ATTENTION: L’utilisation de tout appareil électrique doit être soumise aux precautions d’usage incluant: 1. Lire

INSTRUCCIONES IMPORTANTES PARA SU SEGURIDADCUIDADO: Cuando use productos electrónicos, debe tomar precauciones básicas, incluyendo las siguientes:1.

1 Save the carton and packing materi-als! Should you ever need to ship the unit, use only the original factory pack-ing. For replaceme

p. table of contents1234567how to use this manual p.9 introduction p.10installation p.11unpacking mounting connecting power cooling requirements

p. 9how to use this manual1conventionstermsofficial Crest Performance features and each indicator or control on the amplifier will appear as: termsac