Crate Amplifiers G40C User's Manual
Contents
1. able for any low to line level signal source such as an electric guitar 2 6 dB INPUT JACK This Input also accepts a standard 1 4 jack but Is padded 6 dB for hotter Inputs such as tape decks or guitars with hot pickups if both jacks are used this Input ls not padded and will be equal to the 0 48 Input Jack CHANNEL A CONTROLS 3 GAIN CONTROL This control sets the amount of galn for Channel A and Is used to vary the amount of distortion Minimal distortion Is achieved with this control rotated counterclockwise A fully clockwise setting creates max mum distortion 4 LEVEL CONTROL The overall vol ume of Channel A Is controlled with this knob and should be used in con junction with the GAIN CONTROL 143 5 SHAPE CONTROL This Is the overall tone control for Channel A When turned to the left a setting with heavy emphasis on mid range Is achieved When rotated to the right the amp creates a fat sound with extra boost on lows and highs 6 CHANNEL SELECT SWITCH This switch ls used to select between Channel A and Channel B When using the optional footswitch 23 this switch is inoperative 7 VOLUME CONTROL This contro sets the overall listening level of Channel B This control is independent of any setting made in Channel A 8 LOW CONTROL Bass The desired amount of Bottom or Warmth may be increased or decreased with this knob 9 MID CONTROL Mid The tonal qual ities of the midrang2. ring Jack 17 HEADPHONES JACK Standar stereo headphones may be pluggec Into this Jack This disconnects al speakers from the unit allowing pri vate listening 18 ON OFF LED INDICATOR The amplifier is on when this LED Is Iit 19 ON OFF SWITCH This Is a two posi tion switch the down position wil turn the unit on while the up positio of 20 POWER CORD Be sure the amplifier Is properly plugged into a safely wired AC outlet before use 21 EXTERNAL SPEAKER JACKS These Jacks are for additional speaker hookup Any number of speakers may be added since these jacks are In series to these jacks with the internal speakers 22 LINE OUT JACKS These jacks are used to connect the unit to additional amplifiers or to connect the amp to a tape recorder or mixing board Using both the left and right outputs will preserve the proper stereo signal Ex ternal speakers cannot be connected 23 CHANNEL REVERB FOOTSWITCH JACK This Jack Is to be used with the Channel Selector Reverb footswitch 24 CHORUS FOOTSWITCH JACK This Jack is to be used with a standard footswitch to control the chorus The Chorus Switch 13 must be depressed to enable this footswitch LIMITED WARRANTY SLM Electronics warrants this product to be free of defects in material and workmanship for a period of one 1 year from the original date of purchase to the original purchaser and Is not transferable Speakers tubes and meters carry a ninet
3. be handled by your authorized dealer authorized SUM Service Center or SLM Electronics All units being returned to SLM Electronics must be accompanied with a detailed description as to needed repairs a copy of the original sales receipt and an SUM Elec tronics return authorization SLM Electronics reserves the right to repair or replace this plece of equipment at thelr option SLM Electronics is not Hable for any incidental or consequential damages resulting from any defect or fallure of this instrument other than the repalr of the SLM Electronics product subject to the terms of this war ranty This limited warranty gives you specific legal rights and you may have other rights which vary from state to state This warranty Is ex pressly in ieu of al other agreements and warranties expressed or implied except as may be otherwise required by law SLM ELECTRONICS division of ST LOUIS MUSIC 1400 Ferguson Ave St Louis MO 63133
4. G 40C STEREO CHORUS AMP 47 569 01 REV A RATE Eee We would like to take this opportunity to thank you for selecting a Crate product and to tell you of our commit ment to the design and manufacture of only the finest musical instrument amplification equipment built for you the musician You have purchased one of the most Innovative sound amplification devices available today Your Crate amplifier gives you more performance features than ever before features that you the musician have asked for Your Crate amplifier Is an American product manufac tured at our factory In St Louis Missouri Only the finest available components and materials are used in the manufacture of each amplifier All Crate amplifiers are subject to seven or more inspec tion and testing stops to assure you of a high quality product The final test for each amp is conducted by a trained musician with the Instrument the amp was designed for Any unit that does not meet the standards of his discriminating ear will not be passed Since all Crate products are designed developed and manufactured through the cooperative efforts of engineers and professional musicians the end result is a product that responds to the musician s audio re quirements and a product that will serve your needs for years to come G 40C TECHNICAL SPECIFICATIONS Output Power Rating Speaker Size and Rating Bass Control Mid Control Treble Control Bright Switch Input
5. Impedance Maximum Input Signal Level Accepted Total System Gain Signal to Noise Ratio Input Power Requirements Fuse Rating and Type Cabinet Size and Weight Specifications subject to change without notice 40 watts RMS 5 THD 4 ohm load 120 VAC line G 40C Custom Design 8 Power Handling 20 watts RMS G 40C GT Celestion G8L 35 30 db range 2 100 Hz 12 dbrange 1 KHz 26 db range 5 KHz 8 db boost 6 KHz 220K ohms O db input 44K ohms 6 db input 4 volts peak to peak O db Input 8 volts peak to peak 6 db Input Channel A 88 db 1 KHz Shape 0 Bright Switch off Channel B 58 db 1 KHz Controls 10 Bright Switch off Channel A 51 db with Gain 10 Shape 0 Level 10 Channel B 62 db with all controls 10 Bright Switch off 120 VAC 60 Hz 200 watts max 2 amp 250V Internal 15 1 2 H x 20 3 4 W x 8 3 4 D 30 Ibs CAUTION To reduce the risk of electric shock do not remove chassis No user serviceable parts Inside Reter servicing to qualified service personnel CAUTION This equipment Is capable of producing sound pressure levels greater than 11048 SPL Continued exposure to such high sound pressure levets can caure permanent hearing impairment or lost User caution ls advised and ear protection Is recommended OPERATION 12 14 15 19 11 13 16 17 18 FRONT PANEL INPUT SECTION 1 0dB INPUT JACK This Input accepts astandard 1 4 phone plug and Is sult
6. e are very Impor tant to a good gultar sound This knob can thin out the sound when turned down or fatten up the tone when larger amounts are used 10 HIGH CONTROL Trebie This knob will affect the upper harmonic range of the guitar Boosting it sharpens or adds crispness to the sound For addi tional effect use this control in con Junction with the Bright switch 11 11 BRIGHT SWITCH This switch affects the brilliance of the guitar s sound by adding additional bite or sharp ness This switch affects both Chan nel A and B 12 DEPTH CONTROL REVERB This control allows the player to alter the apparent acoustical qualities of a room The sound can be altered from very Flat or Dry when the control is turned off to that of a concert hall when used In larger amounts CHANNEL B CONTROLS 13 CHORUS SWITCH This switch turn on the stereo chorus when depressed It must be In this position to enable the chorus footswitch 24 14 DEPTH This control sets the amount or depth of the chorus effect 15 RATE This control sets the sweef speed of the chorus effect Together these two chorus controls determine the overall chorus effect from a slow phasing sound to a lively shimmer Ing effect and beyond The stereo na ture of the G 40C gives a three dimensional quality to the unit mak ing it sound full and alive 16 INSERT JACK This stereo 1 4 Jack E a line out tip une In
7. y 90 day warranty This warranty ls subject to the conditions exclusions and limitations hereinafter set forth Excluded from this warranty are defects caused by wear and tear misuse Neglect alterations and modifications or act of nature Such determina tions will be made by SUM Electronics Warranty Is also vola I a The original retail purchase Is not made from an Authorized Crate or Audio Centron dealer Db The serial number affixed to the product is altered defaced or removed All parts costs will be borne by SUM Electronics within the warranty period Labor costs will be covered within the warranty period accord Ing to rate schedules established by SLM Electronics Warranty service may be done by SLM Electronics or an SLM Authorized Field Service Center Transportation charges invotved in warranty service are the sole responsibility of the purchaser SUM Electronics warrants speakers to be free from defects in material and workmanship for a period of ninety 90 days from original date of Purchase Speaker warranty will be subject to Inspection of speaker by SLM Electronics or SLM Authorized Field Service Center Obvious over powering will result in warranty denial Realizing speakers can be over loaded causing failure SUM Electronics will replace the speaker with a ipeaker of some or equal type at a price one half the then current suggested retail price of the new speaker for life regardiess of reason Warranty repairs may
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