AMP3800
Contents
1. AC Power Cord 3 Remote Control Unit 4 Two AAA Batteries for the remote control unit 5 Owner s manual NOTE Keep the packaging available for future transportation needs The AC power cord is for use with AMP3800 exclusively and should not be used for other devices Front Panel Functions CRca2 POWER button Push the POWER button to turn AMP3800 ON respectively OFF When AMP3800 is turned ON the switch will light up with a blue color and the display will indicate the MUTE and blink PLAY during the unit is in starting up Approximately 5 seconds later once the display changes to indicate PLAY and a selected input XLR RCA1 RCA2 RCA3 or RCA4 AMP3800 is ready for use MUTE will disappear Note When you need to turn the power OFF and back ON again wait for least 20 seconds after turning the unit OFF to prevent malfunction Before turning AMP3800 ON or OFF turn the volume knob to the N minimum to avoid a switching noise or sudden and big sound from the speakers which may result in damaging the speakers or injuring your ears INPUT Selector Turn the INPUT knob clockwise or counterclockwise to select an input from XLR RCA1 RCA2 RCA3 and RCA4 The display will indicate the selected input Lower the volume before changing the input to avoid changing noise sudden big sound or damage REMOTE CONT2. recorder MD recorder or tape recorder Connect the interconnect cable in the correct direction aligned for the signal path HEATSINK Make sure to leave enough space open around the HEATSINK for keeping the air circulating and then keeping the temperature in the optimal range Q AC LINE Connect the provided AC power cord to the AC LINE inlet Remote Control Unit E 9O000 COMPACT DIGITAL AUDIO RU 215 Cec O SAO INTRO STOP AB VALL RCA4 RCA3 RCA2 RCAI 1 T TG XLR MUTE button Press the MUTE button to mute AMP3800 The display will indicate MUTE To cancel MUTE mode press the MUTE button again VOL button Press the VOL button to increase the volume level Press and hold the VOL button to increase the volume level continuously Note Beware of high volume settings VOL button Press the VOL button to decrease the volume level Press and m ag hold the VOL button to decrease the volume level continuously RCA1 RCA2 RCA3 RCA4 input button Press the RAC1 RCA2 RCA3 RCA4 button to select an unbalanced INPUT source The display will indicate the selected H INPUT XLR input button Press the XLR button to select the balanced INPUT source The XLR indicator will be displayed NOTE During receiving a valid remote control command the REMOTE CONTROL INDICATOR on the front panel blinks with a blue color NOT
3. TO THE SLOT Handling Precautions 1 Connecting Other Devices Unplug AMP3800 s AC power cord from the outlet before connecting or disconnecting other devices Exercise caution when handling the AC power cord When disconnecting the AC cord from a socket make sure you pull the plug and not the cord itself 2 Turning Power ON OFF Your system components should be turned ON OFF in the following order to avoid generating noise from your speakers and damaging the speakers themselves or other devices Turning power ON Turn AMP3800 s power ON at last after turning ON the DA converter or CD player connected to AMP3800 Turning power OFF Turn AMP3800 s power OFF first before turning OFF connected units 3 Handle with Care Avoid exerting excessive force on the cabinet the volume and selector knobs and the push switches of AMP3800 4 Avoid Electrostatic Discharge Like all complex electronic devices AMP3800 is sensitive to electrostatic discharge A discharge may cause malfunction or damage 5 Installation Use of an audio rack is recommended to maximize the sound quality and performance of AMP3800 Installation and use of AMP3800 in the locations described below may cause deterioration in sound quality or malfunctions eLocations exposed to direct sunlight such as windowsills and other exceptionally warm locations such as near heating appliances surrounding temperature higher than 35 C or exceptionally cold locations su
4. newest LEF Load Effect Free circuitry avoiding quality degradations instead of correcting afterwards LEF also provides pure single ended class A operation with improved energy efficiency and does not require a sound altering global feedback loop This results in the successful combination of high power 2 x 64W 8Q and highest quality sound widely unaffected by transistor characteristics eAMP3800 also features IGM Intelligent Gain Management This unique volume control technology controls the amplifier s gain itself without any input signal dilution eAMP3800 s circuitry is fully balanced from the input stage to the speaker outputs This minimizes noise and distortion and increases the speed and resolution of the sound Important Safety Instructios RISK OF ELECTRIC SHOCK DO NOT OPEN Caution To reduce the risk of electric shock do not remove the cover or rear panel It does not contain any user serviceable parts Refe servicing to qualified service personnel The lighting flash with arrowhead symbol within an equilateral triangle is intended to alert the use to potential shock hazards within the product s enclosure The exclamation point within an equilateral triangle is intended to notify the user to the presence of important operating and maintenance servicing instructions in the accompanying documentation WARINIG TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THE APPLIANCE TO RAIN OR MOI
5. Control Power Amplifier AMP3800 Owner s Manual SINGLE ENDED LEF CASSA Power aueunen O tZ POWER ieu VOLUME wure INTELLIGENT GAIN MANAGEMENT CONTROL POWER AMPLIFIER AMP3200N C ec Contents Introduction NMOGUCUON tere RE ELE TL 2 e Gatul eS iouis cci ETE WR DECIDERE NA EMEN oa deca 2 elmportant Safety Instructions sssssssee 3 eHandling Precautions ssssssssssssee m 4 Query rg 6 eFront Panel Functions aaa eaaa eaaa nee 7 eRear Panel Functions eaaa keanaan mne 9 eRemote Control Unit 0 cece cece eee eee aana eects eee eeeeatateaeeees 12 eCautions regarding Handling sse 14 eMaintenance c ce ccceec anaa aaa tent EEN a a E ai eaaa Kae 14 eTroubleshooting aaa ee eect NA ba aa mme enn 15 eService Contact Preparations sasae naeaa eaaa eaaa nana 16 SPOCiTICAL ONS iced tach e icit EE AA ete A eet 16 Thank you for purchasing AMP3800 Please read through and refer to this Owner s manual to use your AMP3800 safely and adequately It is recommended that you keep the unit s packaging available for future transportation needs Features eAMP3800 is a power amplifier with input control developed for the highest pure sound experience with a design philosophy of minimizing the signal path It has the
6. E The other buttons on the remote control unit work for CEC CD3800 but not for AMP3800 Precautions on Using the Remote Control Unit eAvoid exposing the remote control sensor on AMP3800 s front panel to direct sunlight or other light sources as such exposure can cause malfunction eWhen operating the remote control point it towards the remote control sensor eMake sure nothing is blocking AMP3800 s front panel where the remote control sensor is located eBattery drain may cause the remote control unit to malfunction Change the batteries to new ones of the same type AAA if this happens eThe remote control unit should be handled with care Dropping it on can result in damage eThis manual only explains how to use the remote control unit with AMP3800 but this unit can be used CD3800 Battery Installation Remove the cover of the battery compartment Insert the provided two AAA batteries into the compartment Make sure that the batteries are inserted with their positive and negative poles positioned correctly and put the cover back on i If the distance at which the remote control unit can be used to operate Battery Replacement AMP3800 seems to be decreasing the batteries may need to be replaced N Cautions on handling batteries eNever use different types of batteries together Both rechargeable and non rechargeable batteries can be used but the two should not be used together elf you will not be using the rem
7. ROL RECEIVER When operating the remote control point it towards the REMOTE CONTROL RECEIVER Make sure nothing is blocking the AMP3800 s front panel where the REMOTE CONTROL RECEIVER is located REMOTE CONTROL INDICATOR During receiving a valid remote control command the REMOTE CONTROL INDICATOR lights up with a blue color ERROR 3T 6 IGM VOLUME Turn the VOLUME knob clockwise to increase the volume and counterclockwise to decrease the volume Note Due to the IGM VOLUME property that controls the amplifier gain itself there is still small sound from the speakers even at the minimum VOLUME position Stop the playback or press MUTE Button to turn the sound off MUTE Button Press the MUTE button whenever you need to temporarily turn the sound off The display will indicate MUTE as long as this function is active Press the MUTE button again or press the VOL VOL buttons on the remote control to cancel the MUTE mode Rear Panel Functions 9 Bier SPEAKER Q 80 RCA2 CAT AC LINE Leer eS SPEAKER 480 9 100v soreonz 32w 300w 53 von a WZ ooc e XLR RCA4 RCA3 REC G Us 2 K 9 av jaman A ae o0 e 0 o0 6 00 RIGHT LEFT SPEAKER Power amplifier output terminals fo
8. SUTRE 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use the unit near water 6 Clean only with a dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install the unit near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 For USA Canada Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one blade wider than another A grounding type plug has two blades and a third grounding prong The wide blade or the third prong is provided for your safety If the provided plug does not fit your outlet consult an electrician for replacement of the obsolete outlet For European Countries Do not defeat the safety purpose of the grounding type plug This plug has two poles and a third grounding hole The third hole is provided for your safety If the provided plug does not fit your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the units power cord from being walked on or pinched especially around the plugs convenience receptacles and where it exists the unit s casing 11 Only use attachments accessories specified by the manufacturer 12 Only use the unit with a cart stand tripod bracket or table specified by the manufacture
9. obs terminals and legs Approx 10 3kg AC power cord Remote control unit Two AAA type batteries Owner s manual Silver Black NOTE Design and specifications are subject to change without notice NOTE Illustrations on the owner s manual may deviate from the actual unit due to design improvements CEC CEC Co Ltd Japan http www cec web co jp 0906 A
10. osition Otherwise AMP3800 will power ON again after cooling down eAMP3800 requires no periodic maintenance and contains no user serviceable parts Contact your dealer or an authorized CEC service center for inspection and repairs in case of malfunction elf the surface of the AMP3800 enclosure is soiled wipe with a soft cloth or use diluted neutral cleaning liquid Be sure to remove any fluid completely Do not use thinner benzene alcohol chemical cloths or bleaching agents as these may damage the surface of the AMP3800 enclosure Also avoid using aerosol insecticides near the unit elf dust should have accumulated on the unit remove it with stick tape e g Scotch tape Make sure not to touch the enclosure with any tools or other hard parts Troubleshooting f you suspect a malfunction of the unit please check the following chart before calling your dealer No power eCheck the connection at the both ends of the AC power cord eMake sure there is power at the wall outlet eCheck the power switch position No sound eCheck the connection from the external source e g CD player eCheck the operation of the external source e g CD player eCheck the connection to the speakers eCheck whether the matching input is selected eCheck mute is off ERROR indicator is on eTurn AMP3800 off and unplug the AC power cord from the outlet Wait for a minute plug the AC power cord back in and turn AMP3800 on again Check all
11. ote control unit for an extended period of time more than a month remove the batteries to prevent leakage elf the batteries leak use a cloth to wipe away the liquid inside the battery compartment and replace the batteries with new ones eDo not heat or disassemble batteries and never dispose of old batteries by throwing them in a fire Dispose of batteries following laws in the local area 13 Cautions Regarding Handling Maintenance eNever connect the speaker output terminals to any ground Both speaker terminals carry an active signal due to the full balanced circuit design of AMP3800 eBe careful when connecting active subwoofers or similar devices to the speaker terminals A short circuit to the ground may result in damage to AMP3800 or a broken fuse eThe DC voltage at the speaker terminals is not 0 when measuring related to ground However the differential DC voltage from to speaker terminal is nearly 0 and thus harmless to speakers eAudiophile amplifiers produce heat Make sure to leave enough open space around AMP3800 at least 15cm for keeping the air circulating Make sure you never cover the heatsink and air vents on the top cover which could result in an overheating It is recommended to use AMP3800 in a low dust environment ein case of overheating over approx 70 C AMP3800 will cut off the operating power automatically In this case it is suggested to put the main power switch to OFF p
12. plugs on the rear panel are properly connected Humming noise eCheck all pin plugs are connected adequately Unresponsive to remote control ePoint the remote control towards the remote control sensor on the front panel eRemove any objects blocking the sensor eUse the remote control at a shorter distance from AMP3800 eReplace the batteries in the remote control unit with new ones NOTE AMP3800 contains a microcomputer that can malfunction due to external noise or interference If this seems to be the case turn the unit OFF and wait for a short while before turning it back on and trying again Service Contact Preparations Specifications In case you need to contact the service center please prepare the following information eModel name and serial number ePurchase date eDealer name and contact information eDescription of the unit s problem Rated power Frequency Response Frequency Range S N Ratio THD Damping factor Input terminals Output terminals AC power Line Power consumption Dimensions Weight Accessories Color 2 x 64W 80 2 x 85W 4Q 20Hz 20kHz 0 0 07dB 1W 5Hz 185kHz 0 3dB 1W 105dB A weighted 1W XLR IN 0 00496 RCA IN 0 0196 1W 250 1kHz 1W 1 x balanced XLR 4 x unbalanced RCA 1 x balanced speaker 1 x REC out RCA AC120V 230V 50 60Hz Specified on rear panel Min 38W Max 300W Approx 435 W x 378 D x 102 H mm Incl kn
13. r or sold with the unit If using a cart exercise caution when moving the cart unit combination to avoid injury from it tipping over e 13 Unplug the unit during lighting storms or when leaving it unused for extended periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the unit itself its power supply cord or plug has been damaged in any way when liquids have been spilled onto the unit when foreign objects have fallen into the unit when the unit has been exposed to rain or moisture when the unit does not operate normally or when the unit has been dropped Caution eDo not expose the unit to drips or splashes LA a eDo not place any objects filled with liquids such as vases on the unit eDo not install the unit in a confined space such as within a bookcase or similar piece of furniture ePlug the AC power cord into an easily accessible AC wall outlet so it can be quickly unplugged in case of emergency eDo not remove the protective housing with a screwdriver eUse of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure elf the unit seems to be malfunctioning contact a qualified service station Discontinue use of any malfunctioning unit For CANADA AC POWER CORD CONNECTION CAUTION TO PREVENT ELECTRIC SHOCK MATCH THE BLADE WIDTH OF THE PLUG TO THE SLOT WIDTH THE PLUG MUST BE FULLY INSERTED
14. r the right left speakers The red terminal is for the black one is for Speakers with 4 ohm to 8 ohm impedance can be connected by using banana plugs spades or wires Note Before connecting or disconnecting speakers turn the AMP3800 s power OFF Banana Plugs XLR input Line in audio signal input jacks equipped with balanced XLR connectors Use interconnect XLR cables to connect the XLR input to an external source with XLR line output such as CD player DVD player or DA converter Pinning 1 Ground 2 Hot 3 Cold Note Phono and digital sources cannot be connected to the XLR input Connect the interconnect cable in the correct direction aligned for the signale path RCA inputs RCA1 RCA2 RCA3 RCA4 Line in audio signal input jacks equipped with unbalanced RCA connectors Use interconnect RCA cables to connect the RCA1 RCA2 RCA3 RCA4 inputs to external sources with RCA line outputs such as CD player tuners or tape decks Note Phono and digital sources cannot be connected to RCA1 RCA2 RCA3 or RCA4 Connect the interconnect cable in the correct direction aligned for the signal path Fol A REC output Line out audio signal output jacks equipped with unbalanced RCA connectors Use interconnect RCA cables to connect the REC output terminals to an external recording device with an RCA line input such as CD
15. rrounding temperature lower than 5 C may prevent AMP3800 from functioning adequately eDamp locations exceeding 90 humidity may cause AMP3800 s metal parts to rust causing the unit to malfunction eDusty locations may cause AMP3800 to malfunction The accumulation of dust outside and inside the unit may lower the performance of music signal amplification It may also cause contact failure of the switches and or noise eOtherwise avoid installing AMP3800 close to other transformers and electrical motors so as to prevent the pickup of induction hum Also avoid mounting AMP3800 on surface that may be affected by vibration 6 Avoid Lightning Strikes Damages Disconnect the AC power cord from the AC outlet when there is a thunderstorm in your vicinity 7 Condensation When AMP3800 has been brought into a warm room when the exterior temperature is cold or when the room temperature rises sharply from using a heater condensation may occur from both inside and outside the unit hampering its performance If this happens leave AMP3800 unused in the room for 1 to 2 hours depending on the amount of condensation so as to bring the unit s temperature closer to the room temperature The condensation should go away gradually 8 Listening Etiquette When adjusting the sound volume level make sure you do not disturb other people and your neighborhood Accessories The packaging of AMP3800 should contain the following 1 AMP3800 unit 2
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