Peavey ED-300 User's Manual
Contents
1. WARNING TO PREVENT ELECTRICAL SHOCK OR FIRE HAZARD DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE BEFORE USING THIS APPLIANCE READ OPERATING GUIDE BACK COVERFORFURTHER WARNINGS General Description The ED 300 is a self contained amplification system specifically designed for use with electronic drums Its design incorporates many features not found on nonspecialized musical instrument amplifiers Independent channel equalization complete effects patching capability and isolated monitor mixing capability allow the drummer to realize maximum potential from today s sophisticated electronic drum systems The ED 300 will deliver 130 watts RMS into its integral speaker system To accurately reproduce the full spectrum of sound from electronic drum systems Peavey engineers have selected the Peavey 15 Scorpion Plus speaker and the Peavey Model 22A compression driver coupled with a 3 high frequency horn protect the speakers and to prevent clipping distortion the ED 300 is equipped with Peavey patented DDT compression circuitry The ED 30015 built to withstand the rigors of use in a night after night touring environment The cabinet is constructed of wood and is covered with the heaviest available 34 ounce Tolex Ruggedness is enhanced by the use of heavily plated steel corners and guides and asteel reinforced carrying handle Internally the ED 300 features chassis constructed of high st2. NOT recommended FREQUENCY RESPONSE 0 108 20H to20Kh2 at 100W RMSInto TOTAL HARMONIC DISTORTION Logs ian 02 100 mW to TOOW AMS 2 HZ to 10 DYNAMIC RANGE MAXIMUM THD Less than 1 THO for 20 dB overload a norse Greater then 95 below rated power POWER CONSUMPTION DOMESTIC 200M 50 60 Hiz 120 VAC MONITOR CHANNELS SECTION MINIMUM INPUT LEVEL 256 MV AMS 31 BV tor 1V out NOMINAL INPUT LEVEL QW 10 3 BV fo MAXIMUM INPUT LEVEL eV AMS 10 JBV without clipping INPUT IMPEDANCE osch channel ook INPUTIMPEDANCE etiocis patch either channel Took Seo eT PEAVEY ELECTRONICS CORPORATION 717 Street Meridian MS 39301 U S A Telephone 601 483 5365 Telex 504115 80300086 1985 Printed in U S A
3. point occurs after the ED 2005 equalization stage post EQ In experimenting with effects patching you note differences inthe oparationof an effects device depending on its location in the signal path LINE RECORDING JACK T The Line Recording Jack provides a means of sending a low Impedance signal to the mixer recording console or additional amplifier Signals appearing at this jack are post EQ and con tain information received from both input channels U S Patent 4 318 053 EFFECTS PATCHING USING PREAMP OUT AND POWER AMP IN foureur PWR EFFECTS DEVICE w our ED 300 SPECIFICATIONS SUMMARY OF FUNCTIONS Two cnanvels Pre EOPatchand four band ea izer feach channel preamp out monitor each master lever 130 watt power with DOT compression one 15 Scorpone Pius speak MIXER SECTION The ollowing preampspecs are measured wih all EO fat at 0 48 master set at 10 Nominal Signal loves are with channel level set at S Minimur loves with chan evel controls sot ar 10 INSTRUMENT INPUTS impedance High 2 10 ohms Nominal Input Level 20 dBV 100KV AMS 100 Minimum input Level 40 OmMV RMS Maximum input Level 10 ABV 3V RMS PRE EQ PATCH OUTPUT STEREO JACK TIP Function Low Level Sene oac impedance 10K ohms or greater Nominal Output 9 8 FMS PRE EQ PATCH INPUT STEREO JACK RING Function Low Level E
4. device into a channel a stereo cord should be used First turn the Channel Gain Control B to its Zoro setting Insert the stereo plug nto the Effects Patch Jack Insert the Tip plug into the effect s input jack Insert the Ring plug into the effect s output jack Then slowly increase the Gain Control setting until asatistactory level has been achieved Note that all signals in achannel except monitor signals will besent through any effect patched into that channel Also note that the Effects Patch Jacks occur in thesignal path before the equaliza tion stage pre EQ Therefore any effects signal will be altered by changes in the equalization controls OUTPUT EFFECTS DEVICE EFFECTS PATCHING USING EFFECTS PATCH JACK CHANNEL EQUALIZATION CONTROLS E F G H Each channel of the ED 300 is equipped with an independent 4 equalizer The Equalization Controls are stacked on the front panel The inner knob on the left stack is the low frequency control while the outer knob controls low mid fre quencies in the rignt stack the outer knob regulates high mid frequencies while the inner knob is the high frequency control The ED 300 features active equalization which means that frequencies within any band may be either cut or boosted Setting any Equalization Control to Zero delivers flat unal tered frequency response for that band Rotating an Equaliza tion Co
5. ffects Return Irmpedance Pign Z 100 ohms Designed Input Level G dBV 035V AMS owing stereo Jac providing patoh output to paten input conection when not used PREAMP ouTPUT Function High Level Post EQ Signal Send Load Impedanca 1K ohms or greater Nominal Output O Maximum Output 18 48 PMS a EGN E S POWER amp INPUT Funcion High Lavel Post EQ Signal Return Impedance High Z 22K ohms Input Leve 0 SBV IV AMS Switching jack provides preamp output to power timp connection when not usod LINE RECORDING OUTPUT Function preamp output Load impedance 1K or greater Maximum Output 18 ABV RMS THE FOLLOWING SPECS MEASURED AT NOMI WAL SETTINGS ALL CHANNEL INPUTS TERMI NATED WITH OHNS FREQUENCY RESPONSE Channel InPreamp Out wth 1Y RMS output Equalized ED 300 speakers PREAMP HUM amp NOISE eB Bath channel operational SYSTEM DISTORTION nanne n Preamp 40Hz 1V AMS Teas tnan 05 THD below 01 EQUALIZATION dB at 60 Hz and 10 Shelving 400 tiz Peak Notch 11848 1800 He Peak Notch POWER AMPLIFIER SECTION RATED POWER AND LOAD AMS imos wiin DOT Compression and LED Indicator POWER AT CLIPPING Wpleally at 5 THD 1 MHz 120 VAC line BEW AMS into ohms 2
6. ing channel assignments A basic mix foruse with the ED 300 might look ike this FRONT PANEL FEATURES CHANNEL INPUTS discussed in the Basic Set up section the Channel Inputs receive signals from the drum system mixer outputs These inputs are high impedance and will accept signals over wide dynamic range CHANNEL GAIN CONTROLS 8 The Channel Gain Controls allow individual volume adjust ments of each incoming signal Adjusting the indivicual Gain Controls will affect both the overall loudness and the balance between channels Some experimentation will be necessary to determine the best overall balance between channels Regardless of the type of electronic drum system used setting of the Channel Gain Controls above 5 is not recom mended Setting the Channel Gain Controls above 5 may result in unwanted distortion and or premature engaging of the DDT compression circuit MONITOR CONTROLS Each channel is provided with a Monitor Control and monitor preamp These controls are completely independent of the ED 00 s internal signal flow signal from these controls is routed directly to the Monitor Outputs on the rear panel EFFECTS PATCH JACKS D Each channel is provided with a stereo type Ettects Patch Jack These jacks are used with external devices to provide independent effects loop capability for each channel To patch an effects
7. ition the Power LED will illuminate showing that power is being supplied to the unit DDT COMPRESSION AND COMPRESSION LED J The ED 300 utilizes Peavey patented DDT Distortion Detection Technique Compression Circuit to virtually elim inate the possibility of clipping distortion in the power ampliifor and speakers The DDT circuit performs its function auto matically and is not adjustable The DDT circuitwil not engage until the ED 300is utilizing all available output power When this occurs the Compression LED will light normal playing the ED 300 should be set so that the Compression LED lights only on very loud passages Ifthe Compression LED remains constantly it this indicates that the Channel Gain and or Master Gain Controls are set too high or that too much boost equalization is being used In this situation control settings should be reduced untilthe Compres sion LED fires only intermittently The Compression LED will sometimes illuminate when the 300 is tumed on This is normal and does not indicate malfunction of the amplifier PQ sR T REAR PANEL FEATURES LINE CORD N For your safety theED 300is equipped with a three wire Line mains Cord and a three pin AC plug It is not advisable to remove the ground pin under any circumstances If it is neces sary to use the ED 300 without proper grounding facilities as when only two wire service is available a suitable g
8. ntrol clockwise will boost frequencies within that band while rotating counterclockwise will cut that band s frequencies Extreme care should be taken when boosting low frequen cies Low frequencies consume a disproportionate amount of an amplifier s power and overboosting low frequencies may lead to loss of headroom amplification capability and to possi ble speaker damage Extreme boost of any Equalization Control should be avoided to ensure quiet operation MASTER GAIN CONTROL I The Master Gain Control regulates the total amplification and headroom of the ED 300 In normal operation the Master Gain Control should be set at or near the 10 position to allow maximum headroom and dynamic range and to prevent distortion GROUND SWITCH L The Ground Switch is a three position rocker switch which should normally be operated in its center or zero position Occasionally a situation may arise in which noticeable hum or noise comes from the loudspeakers If this should occur switching tho Ground Switch to either positive or negative 2 should eliminate or minimize the noise If hum or noise problems persist consult your Authorized Peavey Dealer Dealer oraqualifiedservice technician NOTE THE GROUND SWITCH IS NOT FUNCTIONAL ON 220 240 VOLT EXPORT MODELS ON OFF SWITCH AND POWER LED M K The On Off Switch is a two position rocker switch which provides AC power to the ED 300 When the switch is in the pos
9. rength tempered aluminum alloy and utilizes the finest electronic components available Although the ED 300 incorporates many sophisticated features its operation is relatively simple In order to quickly familiarize yourself with the ED 300 and to avoid potentially hazardous or damaging situations please read this operating guide carefully and completely and keep it handy for future reference Basic Setup and Connections The ED 300 features two channels which differ in input equalization The normal channel is essentially fat no input equalization and is designed primarily for amplification of bass drum signals The bright channel is equalized to enhance high trequency signals and is designed primarily to accept signals irom the snare drum and Most electronic drum system mixers provide two outputs for adjusting mix of inaividual drum signals To interconnect tne drum mixer to tne 300 use two high quality SHIELDED connecting cables Connect end each cable to each of the mizer s outputs Connect the other end of each cable toa channel input of the ED 300 Then adjust the drum system mixer to route individual drum signals to the appropriate channel of the ED 300 Since arum system manufacturers gitter in mixer configura tion a complete discussion of mixer adjustments is beyond the scope ot inis manual Consult the owner s manualot your drum system for specitic instructions regard
10. round ing adaptor should be used When the ED 300 is used with properly grounded AC receptacles shock hazard is greatly reduced as are hum and noise MONITOR NORMAL AND MONITOR BRIGHT JACKS The Monitor Jacks may be used to send independent signals from each channel to outboard equipment such as monitor amplifiers soundreinforcement systems or recording consoles Signals at each jack are directly controlled by the respective Monitor Controls C on the front panel signals appearing at the Monitor Jacks are unaffected by any other gain or equaliza tion controls MONITOR SUM JACK 0 This unbalanced Lo Z output provides access to a summed monitor signal Signal at this jack is unaffected by Channel Gain Master Gain or Equalization Controls but will be affected by either or both Monitor Controls C on the front panel PREAMP OUT JACK POWER AMP IN JACK R S The Preamp Out Jack and Power Amp In Jack provide another form of effects patching within the ED 300 Effects may be patched between the preamp and power amp according to the following diagram Be sure to use high quality shielded Cables when connecting any effects device with the ED 300 Connecting an effects device at the Preamp Out Jack Power Amp in Jack differs in two ways fromeffects patching discussed earlier First any effect patched at this point will affect ALL signals in both channels within the amplifier except monitor signals Secondly this effects patch
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