ETI Sound Systems, INC AT-212 User's Manual
Contents
1. gt Y this is it and you don t need to make a deal with the devil ge oak piel META CO alrordad It LAN D n Fi D nr O A r A r 0 f www B S2GUITAR com 1 800 344 43842. CAUTION Y RISK OF ELECTRIC SHOCK DO NOT OPEN I LEVEL LEVEL O O CAUTION TO REDUCE THE RISK OF FIRE REPLACE ONLY WITH THE SAME TYPE OF FUSE WARNING TO REDUCE THE RISK OF FIRE EFFECTS GAIN OR ELECTRICAL SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE REVERB eer e a CE No 32 LINE OUT LEVEL CONTROL Controls the output capacity of 36 EFFECTS RETURN JACK Connects the AT 212 to the the Line Out Level output of an effects unit 33 LINE OUT JACK Connects the AT 212 to an external line 37 EFFECTS RETURN LEVEL Controls the input capacity of level device such as a mixing board the returning signal from an effects unit 34 FOOTSWITCH EFFECTS REVERB Connects footswitch to 38 EFFECTS SEND LEVEL Controls the sending level output turn the reverb on off and the effects loop on off to an effects unit 35 FOOTSWITCH GAIN AND CHANNEL SWITCH Switch 39 EFFECTS SEND JACK Connects to the AT 212 to the input between Gain 1 and Gain 2 in the overdrive Channel Also off an effects unit switches between clean and overdrive channel LIMITED WARRANTY Thank you for choosing a B 52 sound product B 52 manufactures some of the world s best sounding and most reliable professional speaker systems amplifiers and components E T I Sound Systems Inc makers of B 52 takes great pride in thoroughly testing each B 52 product prior to shipment B 52 CABINETS E T I Sound Systems Inc offers
3. B 52 GUITAR AMPLIFICATION INSTRUCTION MANUAL IMPORTANT SAFETY INSTRUCTIONS Read these instructions Follow all instructions Keep these instructions Heed all warnings DO NOT turn on the AT 212 without the loudspeaker connected Do not use the AT 212 near water Be extra cautious when moving the AT 212 during rain or while transporting it over wet surfaces as water might splash onto the amplifier Clean only with dry cloth Do not block any ventilation openings and operate in accordance with manufacturer s instructions Do not install near heat sources such as radiators stoves or other devices that may produce heat Do not defeat the safety purpose of the polarization or grounding type plug A polarized plug has two blades with one wider than the other 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 Protect the power cord from being walked on or pinched particularly at the plug and the point where it exits the AT 212 amplifier Only use attachments accessories specified by B 52 Professional Unplug the AT 212 during lightning storms and when not in use Refer all servicing to qualified personnel Servicing is required when the AT 212 has been damaged in any way such as when power cord or plug is damaged liquid ha
4. Ensure the powercord is not stretched pinched or frequency boost or cut as desired Adding bass will increase the otherwise abused Ensure the power cord is routed to avoid foot traffic depth and fullness of your sound Your AT 212 amplifier should be cleaned only with a dry cloth 15 CLEAN CHANNEL MIDDLE Adjusts the amount of mid range jee eo 120 69 e 4504 1 mo 230 V 50 Hr 450W MI mo 240 V SO H 4507 MM cower TRI MODE RECTIFIER LOUDSPEAKER OUTPUTS TUBES 100 WATTS RMS IMPEDANCE ELECT e e TUBEA CI LEVE e TUBE AB i ee LIFT GND TA FAST BLOW 16 OHMS 8 OHMS 4 OHMS PARALLEL JACKS E FSAL 250V E E 12 5AL 250V E 26 AC INLET amp PRIMARY FUSE Connects AC powercord and 29 GROUND LIFT SWITCH Removes ground from the circuit houses primary fuse to eliminate 60 cycle hum Always use correct value as indicated on amp panel chart 30 LOUDSPEAKER OUTPUTS Connects the AT 212 to the 27 POWER TUBE FUSE This fuse protects the AT 212 against speaker cabinets such as the AT 412A or AT 412B circuit damage caused by a power tube failure Only replace NOTE Always be sure the speakers are plugged in before attempting to with a 1 AMP Fast Blo never Slo Blo fuse operate the amplifier Always use a high quality heavy duty unshielded speaker cable Severe damage can occur from failing to connect the speakers 28 3 SETTING RECTIFIER SWITCH and properly setting the impedance selector switch SOLI
5. a LIFETIME warranty effective January 1 2002 to the original purchaser that a B 52 s cabinet construction will be free from defects in material and workmanship A dated sales receipt will establish coverage under this warranty This warranty does not cover service or parts to repair damage caused by neglect abuse nor mal amp wear and cosmetic appearance of the cabinetry not directly attributed to defects in material or workmanship or service repair modifications of the cabinet which has not been authorized or approved by E T I If this product is defective in materials or workmanship as warranted above your sole rem edy shall be repair or replacement as provided above LOUDSPEAKER AND MID RANGE COMPONENTS E T I Sound Systems Inc warrants the original purchaser that B 52 loudspeakers and or midrange components will be free from defects in material and workmanship for a period of 5 FIVE YEARS from the original purchase date effective January 1 2002 A dated sales receipt will establish coverage under this warranty This warranty will automatically terminate 5 years after the origi nal retail sales date This 5 five year warranty does not cover service or parts to repair damage caused by accident disaster misuse abuse burnt voice coils over powering negligence inadequate packing or shipping pro cedures and service repair or modifications of the component which has not been authorized or approved by E T l This warranty
6. is in lieu of all other expressed warranties If this product is defective in materials or workman ship as warranted above your sole remedy shall be repair or replacement as provided above HIGH FREQUENCY DEVICES E T I Sound Systems Inc offers a LIFE TIME warranty effective January 1 2002 to the original purchaser that B 52 high frequency tweeters devices will be free from defects in material and workmanship A dated sales receipt will establish coverage under this warranty This warranty does not warranty neglect or abuse NO WARRAN TY IS OFFERED ON HIGH FREQUENCY DEVICES IN B 52 SYSTEMS WITH A BI AMP SWITCH OPTION The lifetime warranty on high frequen cy devices does not cover service or parts to repair damage caused by acci dent disaster misuse abuse negligence inadequate packing or shipping procedures or service repair or modifications of the product which has not been authorized or approved by E T I This warranty is in lieu of all other expressed warranties If this product is defective in materials or workman ship as warranted above your sole remedy shall be repair or replacement as provided above GUITAR AMPLIFIERS E T I Sound Systems Inc warrants the original pur chaser that B 52 guitar amplifiers will be free from defects in material and workmanship for a period of 5 FIVE YEARS from the original purchase date effective January 1 2002 A dated sales receipt will establish coverage under this warranty This
7. D STATE Gives tightest low end definition and fastest attack 341 IMPEDANCE SELECTOR SWITCH Allows the AT 212 to safely TUBE AB1 Punchy warm and tighter definition than Tube A operate into any 4 ohm 8 ohm or 16 ohm cabinets s NOTE 7 TUBE A Vintage attack and feel Warmest sounding setting Always set the switch to match the impedance of your cabinet s AT 212 CONTROLS AND FEATURES MASTER MIDDLE TREBLE VOLUME VOLUME LOW RES SS STANDBY POWER ss MIDDLE TREBLE frequencies as desired in the clean channel Turning the middle 22 PILOT JEWEL Power on indicator control clockwise will increase the amount of warmth in your 23 STANDBY ON OFF SWITCH Allows the AT 212 to remain tone Counterclockwise settings create a more pristine acoustic turned ON for limited periods of inactivity without the risk of kind of sound damaging over heating the amplifier tubes When the Standby 16 CLEAN CHANNEL TREBLE Adjusts the amount of high switch is in the STANDBY position the AT 212 is in a non frequency boost or cut as desired in the clean channel Treble operational setting When in Standby the Sovtek tubes remain adds brightness to your tone Turning this control clockwise will hot and ready for use This bypasses the time required for the add brilliance to your sound Turning the control counter tubes to warm up before use When the Standby switch is in the clockwise softens the tone ON posit
8. in any way has been exposed to rain or moisture does not oper ate normally or has been dropped WARNING SHOCK HAZARD To reduce the risk of fire or electrical shock do not expose this unit to rain or moisture Do not operate your AT 212 near a pool or other standing water Make sure all blades on the polarized power plug are fully inserted into the power source Ensure the power cord is not stretched pinched or otherwise abused Ensure the power cord is routed to avoid foot traffic Your AT 212 amplifier should be cleaned only with a dry cloth AT 212 CONTROLS AND FEATURES OVERDRIVE GAIN 2 e BASS MIDDLE TREBLE CONTOUR siae barca MIDDLE TREBLE Y 2 3 4 5 Loy LZ ls ol Do ml l2 3 1 LOW HIGH INPUTS Plug your guitar in here Use the input that mid range frequencies as desired in the overdrive channel best suits your playing style Most players use the High input for Similar to the Clean Channel function the O D Channel Middle maximum gain For a cleaner sound use the Low input Always control adds body and punch to your sound use a high quality shielded instrument cable 7 OVERDRIVE CHANNEL TREBLE Adjusts the amount of high 2 OVERDRIVE CHANNEL GAIN 1 Adjusts the amount of frequency boost or cut as desired in the overdrive channel distortion in Gain 1 Activated LED indicates in use Turning this control clockwise adds clarity to your sound 3 OVERDRIVE CHANNEL GAIN SWITCH Push swi
9. ion the AT 212 is operational and should not be left 17 CLEAN CHANNEL BRIGHT Adds high end sparkle inactive DO NOT turn on the AT 212 or have the Standby 18 CLEAN CHANNEL VOLUME Controls the overall signal level switch set to ON without it connected to a loudspeaker of the clean channel Adjusting the volume control enables you to 24 POWER ON OFF SWITCH Turns the AT 212 on and off produce sparkling clean sounds to crunchy dirty blues Turned all the way to the left you will experience clean sounds A setting all the way to the right will produce moderate levels of distortion 19 MASTER VOLUME Controls the overall signal level of the AMPLIFIER PRECAUTIONS AT 212 To increase the overall signal and or volume rotate the control clockwise The Master volume control allows you to Do not attempt to service the AT 212 by yourself preset the output levels of both the Clean and Overdrive Channels Refer all servicing to a B 52 Authorized dealer 20 MASTER LOW RESONANCE Controls the overall resonance Service is required when the AT 212 has had liquid of the amplifier Turning the control clockwise adds rich low end F 9 gt 21 MASTER REVERB CONTROL Adjusts the amount of reverb SPilled on it or has been damaged in any way the produced by the amplifier To increase the amount of reverb turn amplifier has been exposed to rain or moisture clockwise does not operate normally or has been dropped LINE OUT FOOT SW EFFECTS
10. is ready to help you with any B 52 warranty or product questions you may have Please call 323 277 4100 9 00AM to 4 00PM Pacific Standard Time United States E T I Sound Systems INC 3383 Gage Ave Huntington Park CA 90255 ci your search is over AT 100 ALL TUBE AMPLIFIER WITH TRI MODE RECTIFIER 00 Watt RMS All Tube Signal Path Tri Mode Rectifier Tube Class A or AB Solid State Class AB Overdrive Channel Gain 1 and Gain 2 Each with Independent Master Volumes 3 Band EQ Assignable Contour Control Clean Channel Master Volume 3 Band EQ and Bright Switch Global Controls Volume Low Res Resonance and Reverb Effects pon with Level Controls Footswitchable Line Out with Level Control Selectable 4 8 16 Ohms External Speaker Jacks 4 Po 3 ion Footswitch Channel Gain Reverb and Effects Loop e Ground dlit Switch e 12 Tubes Power 4 6L6 5881 Preamp 4 2087 Phose in werter 12AX7 Rever rb l 1200 Effects a 12AX7 Rectifier 5AR4 AT 412A amp AT 412B CABINETS e 480 Watt RMS 4x12 Cabinets e 120 Watt RMS Custom B 52 Speaker e Mono Stereo Switchable e Reinforced Baltic Birch Constructi e Custom B 52 Handles Metal Gi mers and Rubber Feet e Detachable Casters for Easy Transport e Elegant Vinyl Finish Block Grille Cloth amp Silver Piping you ve been on a quest to find the ultimate tone the one that defines your style your sound your soul
11. kmanship at any time during the warranty period E T I has the option of repairing or replacing the product at no additional charge except as set forth below All replaced parts become a property of E T I Products replaced or repaired under this warranty will be returned via ground shipping within the United States freight prepaid E T I is not responsible for costs associated with expedited shipping either to E T I or the return of the product to the customer INCIDENTAL OR CONSEQUENTIAL DAMAGE In no event will E T I be liable for any incidental or consequential damages arising out of the use or inability to use of any B 52 product even if E T I or a B 52 dealer has been advised of the possibility of such damages or any other claim by any other party Some states do not allow the exclusion or limitation of consequential damages so the above limitation and exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which may vary from state to state FOR YOUR PROTECTION Please complete and mail the Purchase Information Card within 10 ten days of the date of purchase so that we may contact you directly in the event a safety notification issued in accor dance with the 1972 Consumer Product Safety Act In addition we ask that you complete the brief questionnaire so me may analyze your answers and in this way help us evaluate our customer needs CUSTOMER SERVICE Our dedicated staff
12. ps the all important mids effectively producing the ultimate metal tone or when switched out creates the warm full bodied tones of the great classic amps A three position rectifier switch adds even more versatility offering Tube ClassAB1 Tube Class A and Solid State settings The AT 212 also features solid Baltic birch construction detachable casters and a four function heavy duty footswitch AT 212 TUBES Power Tubes 4 x 6L6 5881 Preamp Tubes 4 x 12AX7 Reverb Tube 1 x 12AX7 Rectifier Tube 1 x 5AR4 Effects Loop 1 x 12AX7 Phase Inverter 1 x 12AX7 AT 212 includes rugged 3 casters CUSTOM B 52 TRANSDUCER Power Handling 120 watts Freq Response 50 5K Hz Nominal Impedance 16 Ohms Voice Coil Diameter 2 5 The AT 212 features rock solid 13 ply Baltic birch construction HEARING DAMAGE PROLONGED EXPOSURE TO EXCESSIVE SPL B 52 Professional amplifiers and speakers including the AT 212 are capable of producing sound pressure levels SPL sufficient to cause permanent hearing damage to performers production crews or people in the audience Hearing protection devices such ear plugs are rec ommended Caution should be taken to avoid extended SPL is excess of 90 dBA AMPLIFIER MODULE PRECAUTIONS Do not attempt to service the AT 212 by yourself Refer all servicing to a B 52 Stealth Series Authorized dealer Service is required when the AT 212 has had liquid spilled on or inside the unit has been damaged
13. s been spilled into the amplifier the unit has been exposed to moisture or rain does not operate normally or has been dropped To reduce the risk of fire or electric shock do not expose the AT 212 to rain or moisture Moisture can damage the AT 212 and can cause corrosion of electrical contacts Keep the unit out of extended or intense direct sun light No containers filled with any type of liquid should be placed on or near the AT 212 Never remove the front or rear panels of the AT 212 while it is connected to an electrical outlet INSIDE THIS INSTRUCTION MANUAL Important Safety Instructions Features 2 Product Information rr 3 AT 212 Controls 4 5 Set up amp Warranty Information 5 7 Contact Informationi i 8 AT 212 ALL TUBE COMBO This AT 212 is a 3 channel all tube tri mode rectified combo that gives you unparalleled tone and astounding versatility The clean channel yields sparkling vintage tone that stays clean even at high volume The overdrive section features 2 independent high gain channels and independent volume controls with a shared 3 band EQ The assignable contour mid scoop control gives you the ability to make each over drive channel sound radically different The Global section features Low Res Resonance Reverb and Master Volume All Tube Signal Path Tri Mode Rectifier Tube Class A or AB Solid State Class AB Overdri
14. tch Selects 8 OVERDRIVE CHANNEL GAIN SWITCH 1 Activates the between Gain 1 and Gain 2 controls Activated LED lights CONTOUR control for Gain 1 indicate which channel is currently use 9 OVERDRIVE CHANNEL CONTOUR Varies the critical 4 OVERDRIVE CHANNEL GAIN 2 Adjusts the amount of midrange tone in the overdrive channels Adjusts from classic distortion in Gain 1 Activated LED indicates in use midrange punch to scooped metal madness 5 OVERDRIVE CHANNEL BASS Adjusts the amount of low 10 OVERDRIVE CHANNEL GAIN SWITCH 2 Activates the frequency boost or cut as desired in the overdrive channel Bass CONTOUR control for Gain 2 is B 52 s signature Turning this control clockwise increases 11 OVERDRIVE VOLUME 1 Controls the overall volume of the depth and low end punch to your music medium gain overdrive channel 6 OVERDRIVE CHANNEL MIDDLE Adjusts the amount of 12 OVERDRIVE VOLUME 2 Controls the overall volume of the high gain overdrive channel WARNING SHOCK HAZARD 13 CHANNEL SELECT Push switch selects between the clean To reduce the risk of fire or electrical shock do not expose this unit to rain and overdrive channels Activated LED lights indicate which or moisture Do not operate your AT 212 near a pool or other standing channel is in use water Make sure all blades on the polarized power plug are fully inserted 14 CLEAN CHANNEL BASS Adjusts the amount of low into the power source
15. ve your sole reme dy shall be repair or replacement as provided above RETURN PROCEDURES In the unlikely event that a defect should occur follow the procedure outlined below Defective products must be shipped together with proof of purchase freight pre paid and insured to the Authorized B 52 Dealer from whom you purchased the product or directly to E T I Sound Systems If a product must be returned to E T I Sound Systems for warranty replacement repair a Return Authorization Number must be obtained from our Customer Service Department prior to shipping the prod uct NEVER RETURN THE ENTIRE CABINET JUST THE DEFECTIVE COM PONENT Identify and remove the defective component If you are uncertain which component is defective or need directions for removing a component please contact our Customer Service Department for assistance Components which are a part of an original B 52 speaker box must be sent directly to E T I Products must be shipped in the original packaging or its equivalent in any case the risk of loss or damage in transit is to be borne by the purchaser The Return Authorization Number must appear in large print directly below the shipping address Always include a brief description of the defect along with your correct return address and telephone number When calling to inquire about a returned product always refer to the Return Authorization Number If E T I determines that the unit was defective in materials or wor
16. ve Channel Gain 1 and Gain 2 Each with Independent Master Volumes 3 Band EQ Assignable Contour Control Clean Channel Master Volume 3 Band EQ and Bright Switch Global Controls Volume Low Res Resonance and Reverb Effects Loop with Level Controls Footswitchable Line Out with Level Control Selectable 4 8 16 Ohms External Speaker Jacks 4 Position Footswitch Channel Gain Reverb and Effects Loop Ground Lift Switch Rugged 18mm Baltic birch construction Detachable casters for easy transport Dimenisons 27 W x 11 D x 21 H Weight 80lbs HEED ALL WARNINGS WARNING To reduce the risk or fire or electrical shock do not expose this equipment to rain or moisture AT 212 100 WATT ALL TUBE 2x12 COMBO THANK YOU FOR CHOOSING THE B 52 PROFESSIONAL AT 212 COMBO The B 52 AT 212 is a feature laden all tube 2 x 12 open backed combo with 100 relentless watts ripping through two custom built B 52 loudspeakers The AT 212 s foundation is outstanding tone versatility and power Each channel Clean and Overdrive has its own set of gain treble mid and bass equalization controls for maximum flexibility The Clean Channel goes from classic sparkle to serious crunch while the Overdrive Channel features two independent gain options Gain 1 moves from bluesy grit all the way to metallic shred Gain 2 takes over where Gain 1 leaves off for the most intense gain ever The assignable contour control scoo
17. warranty will automatically terminate 5 years after the original retail sales date This 5 five year warranty does not cover serv ice or parts to repair damage caused by accident disaster misuse abuse over powering negligence inadequate packing or shipping procedures and service repair or modifications of the amplifier which has not been author ized or approved by E T I This warranty is in lieu of all other expressed war ranties If this product is defective in materials or workmanship as warranted above your sole remedy shall be repair or replacement as provided above GUITAR AMPLIFIER TUBES E T Sound Systems Inc warrants the orig inal purchaser that amplifier tubes used in B 52 Stealth Series All Tube Amplifiers will be free from defects in material and workmanship for a period of 90 DAYS from the original date of purchase effective January 1 2002 A dated sales receipt will establish coverage under this warranty This warran ty will automatically terminate 90 Days after the original retail sales date This 90 Day warranty does not cover service or parts to repair damage caused by accident disaster misuse abuse over powering negligence inadequate packing or shipping procedures and service repair or modifica tions of the amplifier which has not been authorized or approved by E T I This warranty is in lieu of all other expressed warranties If this product is defective in materials or workmanship as warranted abo
Download Pdf Manuals
Related Search