User manual B-52 ST6012

[. . . ] No containers filled with any type of liquid should be placed on or near the ST-6012. Never remove the front or rear panels of the ST-6012 while it is connected to an electrical outlet. Important Safety Instructions / Features . . . . . . . . . 2 Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ST-6012 Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 Set-up & Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 INSIDE THIS INSTRUCTION MANUAL 6) 6) 7) 8) 9) This B-52 Stealth Series ST-6012 has a 100% pure, all-tube signal path, incredible tone and a wide array of guitarist-friendly controls and features the legendary Celestion Vintage 30 loudspeakers. It combines Russian Sovtek 6L6 power tubes with 12AX7 preamp tubes for solid tube tone and classic breakup. This roadworthy combo provides serious musicians with monstrous gain, extreme levels of distortion and a sparkling clean channel. [. . . ] AC INLET & FUSE HOLDER: Connects AC powercord as well as contains primary fuse. 3-SETTING RECTIFIER SWITCH: SOLID-STATE ­ Gives tightest low-end definition and fastest attack. GROUND / LIFT SWITCH: Removes ground from the circuit to eliminate 60-cycle hum. 21 22 23 24. 16 OHM LOUDSPEAKER JACK: Connects loudspeakers(s) that require a 16 Ohm load. EXTERNAL LOUDSPEAKER JACKS: Connects the ST-6012 to external loudspeakers such as the ST-412V or ST-412S with a 4 Ohm or 8 Ohm load. SPEAKER SELECT SWITCH: Allows you to select appropriate 4 Ohm or 8 Ohm load loudspeakers. You must ensure that the switch is set to appropriate impedance rating that matches your loudspeaker. Note: Ensure that loudspeaker impedance matches the correct jack connectors. 24 25 26 All-Tub CLEAN MASTER ON 10 ON VOLUME 0 10 BASS 0 10 MIDDLE 0 10 TREBLE 0 10 REVERB 0 10 MASTER 0 PHONES 12 OLUME 0 13. STANDBY ON/OFF SWITCH: Allows the ST-6012 to remain PHONES ON for limited periods of inactivity without the risk of 10 0 10 10 0 0 10 0 turned settings 10 produce pure clean tones. Turning0this control clockwill wise will gradually produce moderate distortion. When POWER MIDDLE STANDBY the Standby MASTER TREBLE REVERB BASS CLEAN CHANNEL ­ BASS: Adjusts the amount of low switch is in the STANDBY position the ST-6012 is in a nonAll-Tube Professional Amplifier frequency boost or cut as desired in the clean channel. When in Standby the tubes remain bass will increase the warmth of your sound. When the Standby switch is in the CLEAN CHANNEL ­ MIDDLE: Adjusts the amount of mid-range ON position the ST-6012 is operational and should not be left 17 14 15 16 13 18 20 frequencies as desired in the clean channel. DO NOT turn on the ST-6012 or19 the Standby have control clockwise will increase the amount of punch in your switch set to ON without it connected to a loudspeaker. Setting the control all the way to the left will make your music sound more hollow. CLEAN CHANNEL - TREBLE: Adjusts the amount of high AMPLIFIER PRECAUTIONS frequency boost or cut as desired in the clean channel. Turning the Treble control clockwise will sharpen your sound, Do not attempt to service the ST-6012 by alternatively, turning the control counterclockwise softens your yourself. REVERB CONTROL: Adjusts the amount of reverb produced by Authorized dealer. CAUTION EFFECTSthe ST-6012 has had liquid spilled on it or FOOT SW LINE OUT RISK OF ELECTRIC SHOCK MASTER VOLUME: Controls the overall signal level of the has been damaged in any way, theDO NOT OPEN amplifier ST-6012. Sound Systems, Inc. , makers of B-52, takes great pride in thoroughly testing each B-52 product prior to shipment. 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 modifications of the amplifier which has not been authorized or approved by E. T. I. . [. . . ] warrants the original 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). This warran- 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 accordance 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 is ready to help you with any B-52 warranty or product questions you may have. [. . . ]