Crate Amplifiers GS.150 User's Manual
Contents
1. _GS 150 AMPLIFIER CRATE cs 150 AMPLIFIER Ee TECHNICAL SPECIFICATIONS Output Power Rating y Speaker Size and Rating Bass Control Mid Control Treble Control Bright Switch Input Impedance Maximum Input Signal Level Accepted Total System Gain Signal to Noise Ratio Input Power Requirements Fuse Rating and Type Cabinet Size and Weight 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 bullt for you the musiclan You have purchased one of the most Innovative sound amplification devices avallable today Your Crate amplifler gives you more performance features than ever before features that you the musician have asked for Your Crate amplifier is an American product manufactured at our factory In St Louls Missouri Only the finest avail able components and materials are used In the manufac ture of each amplifler All Crate ampllflers are subject to seven or more Inspection and testing stops to assure you of a high quallty product The final test for each amp Is conducted by a tralned musician with the Instrument the amp was designed for Any unit that does not meet the standards of his dis criminating ear will not be passed Since all Crate products are designed developed and manufactured through the cooperative efforts of en gineers and profess2. 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 SLM Electronics Warranty Is also void If a The original retail purchase Is not made from an Authorized Crate or Audlo Centron dealer b The serlal number affixed to the product Is altered defaced or removed All parts costs will be borne by SLM Electronics within the warranty perlod Labor costs will be covered within the warranty perlod accord Ing to rate schedules established by SLM Electronics Warranty service may be done by SLM Electronics or an SLM Authorized Fleld Service Center Transportation charges Involved In warranty service are the sole responsibility of the purchaser SLM 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 Fleld Service Center Obvious over powering will result In warranty denial Reallzing speakers can be over loaded causing fallure SLM Electronics will replace the speaker with a speaker of some or equal type at a price one half the then current suggested retail price of the new speaker for life regardless of reason Warranty repairs may be handled by your authorized dealer authorized SLM Service Center or SLM El
3. A Y a AT PA 17 18 19 Foo SWITCH rar Hig A EA CAE Ar HA SO ARER POLL ES REAR PANEL 15 POWER CORD Be sure the not go below 2 ohms total load a tape recorder Simply run a cable ampirier Is propery plugged de impedance from the output of this Jack to the a safely wire outlet before input of another amplifer or tape use 17 LINE IN JACK This jack is used as deck External speakers cannot be a direct Input to the power amp It can be used in conjunction with the LINE OUT Jack for an effect 16 EXTERNAL SPEAKER JACKS This jack is used for additional speaker hookup The GS 150 ex ternal speaker Jack is hooked up In parallel so adding additional speakers will lower the total load impedance of the power amp Do loop 18 LINE OUT JACK This jack is used to link the GS 150 to additional amplifiers or to connect the amp to hooked up to this jack 19 FOOTSWITCH JACK This jack Is to be used with the Channel Selec tor Reverb footswitch When the footswitch is in use the front panel channel selector switch 6 should be in the Channel A position 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 ninety 90 day warranty This warranty Is subject to the conditions exclusions and
4. OL Mid The tonal qualities of the midrange are very important to a good guitar sound This knob can thin out the sound when turned down or fatten up the tone when larger amounts are used 10 HIGH CONTROL Treble This knob will affect the upper har monic range of the guitar Boost ing it sharpens or adds crispness to the sound For additional effect use this control in conjunction with the Bright switch 11 11 BRIGHT SWITCH This switch af fects the brilliance of the guitar s sound by adding additional bite or sharpness This switch affects both Channel A and B 12 DEPTH CONTROL REVERB This control allows the player to alter the apparent acoustical qual ities 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 POWER 13 ON OFF LED INDICATOR The amplifier is on when this L E D is lit 14 ON OFF SWITCH On This is a two position switch the down po sition will turn the unit on while the up position off 15 16 MODEL 53 7150 SERIAL SHO DO Seo ENR PH APR eh TO Fibra CAUTION HOT AUTOM AMLE TH PR ELECTRA SRoCe Go AT REMOVE Casa LER SERARZERBLE PARTE WEDE ARCER Ali ppe TO GLAR LIVERS CONTIN EXPO TO Pigi GUND PRESSURE LEYES a SERIE PASO TO AMOO THE Sk OF ee A ETA in Cate Ritu HEA et Oo Loe AA Ca Tiana ALWEREG AMO RAR PREOTECTICA LE A Rien eae h
5. ectronics All units being returned to SLM Electronics must be accompanied with a detalled description as to needed repairs a copy of the original sales recelpt and an SLM Elec tronics return authorization SLM Electronics reserves the right to repair or replace this plece of equipment at thelr option SLM Electronics Is not lable 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 lleu of all 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 e St Louls MO 63133
6. ional musicians the end result is a product that responds to the musicians audio require ments and a product that will serve your needs for years to come 150 watts RMS 5 THD 4 ohm load 120 VAC line Electro Volce Custom Design 12 with 2 1 2 voice coil Power Handling 200 watts RMS 28 db range 0 100 Hz 12 db range 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 0 db input 8 volts peak to peak 6 db input Channel A 105 db 1 KHz Shape 0 Bright Switch off Channel B 68 db 0 1 KHz Controls 10 Bright Switch off Channel A 45 db with Gain 10 Shape 0 0 Level 10 Channel B 65 db with all controls 10 Bright Switch off 120 VAC 60 Hz 500 watts max 5 amp 250V Internal 17 1 2 H x 18 1 4 W x 9 3 4 D 42 Ibs CAUTION To reduce the risk of electric shock do not remove chassis No user serviceable parts Inside Refer servicing to quallfled service personnel To reduce the risk of fire or electric shock do not expose this appliance to rain or molsture Specifications subject to change without notice OPERATION INPUT ARIEL A 0005 00000 Gal LEWEL SA PE CHANNEL E 12 14 REVERB rodea CRATE MODEL GS 150 EY SLM En DEPTH on FRONT PANEL INPUT SECTION 1 0 dB INPUT JACK This input ac cepts a standard 1 4 phone plug and is suitable for any low
7. to line level signal source such as an elec tric guitar 2 6 dB INPUT JACK This input also accepts a standard 1 4 jack but is padded 6 dB for hotter in puts such as tape decks or guitars with hot pickups If both jacks are used this input is not padded and will be equal to the O dB input jack CHANNEL A CONTROLS 3 GAIN CONTROL This control sets the amount of gain for chan nel A and is used to vary the amount of distortion Minimal dis tortion is achieved with this con trol rotated counterclockwise A fully clockwise setting creates maximum distortion 4 SHAPE CONTROL This is the overall tone control for Channel A When turned to the left a set ting 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 5 LEVEL CONTROL The overall volume of Channel A is controlled with this knob and should be used in conjunction with the GAIN CONTROL 3 6 CHANNEL SELECT SWITCH This switch is used to select between Channel A and Channel B When using the optional footswitch this switch should be in the Channel A position CHANNEL B CONTROLS 7 VOLUME CONTROL This con trol sets the overall listening level of Channel B This control is inde pendent of any setting made in Channel A 8 LOW CONTROL Bass The de sired amount of Bottom or Warmth may be increaeed or decreased with this knob 9 MID CONTR
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