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Фрагмент инструкции
• DO NOT USE THIS APPARATUS NEAR SPLASHING, FALLING, SPRAYING, OR STANDING LIQUIDS. • CLEAN ONLY WITH LINT-FREE DAMP CLOTH AND DO NOT USE CLEANING AGENTS. • ONLY CONNECT POWER CORD TO A POLARIZED, SAFETY GROUNDED OUTLET WIRED TO CURRENT ELECTRICAL CODES AND COMPATIBLE WITH VOLTAGE, POWER, AND FREQUENCY REQUIREMENTS STATED ON THE REAR PANEL OF THE APPARATUS. • PROTECT THE POWER CORD FROM DAMAGE DUE TO BEING WALKED ON, PINCHED, OR STRAINED. • UNPLUG THE APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME. • ONLY USE ATTACHMENTS, ACCESSORIES, STANDS, OR BRACKETS SPECIFIED BY THE MANUFACTURER FOR SAFE OPERATION AND TO AVOID INJURY. • WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. • SERVICE MUST BE PERFORMED BY QUALIFIED PERSONNEL. • OUR AMPLIFIERS ARE CAPABLE OF PRODUCING HIGH SOUND PRESSURE LEVELS. CONTINUED EXPOSURE TO HIGH SOUND PRESSURE LEVELS CAN CAUSE PERMANENT HEARING IMPAIRMENT OR LOSS. USER CAUTION IS ADVISED AND EAR PROTECTION IS RECOMMENDED IF UNIT IS OPERATED AT HIGH VOLUME. EXPLANATION OF GRAPHICAL SYMBOLS: "IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL" "DANGEROUS VOLTAGE" = = “ES NECESARIO QUE EL USUARIO SE REFIERA AL MANUAL DE INSTRUCCIONES.” EXPLICACION DE SIMBOLOS GRAFICOS: “VOLTAJE PELIGROSO” "REFERREZ-VOUS AU MANUAL D'UTILISATION" "DANGER HAUTE TENSION" EXPLICATION DES SYMBOLES GRAPHIQUES: SVPCL Bass Preamp An Introduction to your new Ampeg SVPCL Bass Preamplifier: The harmonically rich sound and legendary performance of the classic AMPEG SVT are redefined in the SVPCL. This dynamic preamp delivers a thunderous unsurpassed quality, reliability and tonal flexibility, offering the classic vibrance of tubes as well as contemporary features. The SVPCL has the best of both worlds. It is true to the design of an early-70’s SVT with the addition of modern tone-shaping and output selection. All of the features and controls of your SVPCL Preamp are covered in detail within the pages of this user’s guide. We recommend going over them before you use the preamp. Features: In the world of high performance bass amps, Ampeg’s SVT amplifiers stand alone. Keeping with true Ampeg tradition, the SVPCL Bass Preamp offers you more performance and flexibility than any other preamp in its class. Listed below are some of the outstanding features of your new preamp: features which set it apart from the competition! Additional information on these features can be found on the pages indicated. • PAD SWITCH: A switchable input pad, this feature is perfect for basses with active electronics or very “hot” pickups (page 4) • MUTE SWITCH, TUNER OUTPUT JACK: Lets you cut the sound from the amp, letting you tune your bass in private (page 4,5) • 5-POSITION ULTRA LOW SWITCH: Five different settings for the Ultra Low provide the ultimate in bottom end response (page 4) • ULTRA HIGH AND BRIGHT SWITCHES: Lets you tailor your high frequency response in many different ways “with the touch of a button” (page 4) • 5-POSITION MIDRANGE SELECTOR: Take your pick from the five center frequency points available to get just the right midrange voice (page 4) • TRANSFORMER BALANCED LINE OUTPUT: Lets you send a high quality line level signal to the house mixing board, a recording console, or another amplifier - switchable for pre or post EQ with switchable ground lift (page 5) 4 SVPCL Bass Preamp 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1. INPUT: Connect your instrument here by means of a shielded instrument cable. 2. PAD: This switch, when depressed, attenuates the input signal by 10dB. Attenuation allows the Gain control (#4) to be used at a higher setting. If clipping is indicated with the Gain control close to fully counter clockwise, attenuation is needed. 3. MUTE: This switch, when depressed, mutes the signal at all outputs except the Tuner Output (#21). 4. GAIN: Use this control to adjust the level of the signal going into the preamp. For the best signal to noise ratio, set this control so the Peak LED (#5) flashes occasionally during loud passages. 5. PEAK: This LED flashes when the signal level into the preamp approaches clipping. When the Mute switch (#3) is depressed, this LED remains illuminated as a visual indicator that the Mute function is active. 6. ULTRA LOW: Use this five-position rotary switch to select a setting for the ultra low control, as follows: 1: Off – flat frequency response 2: Sub Cut – reduces frequencies below the bass range to protect the speakers 3: Low Cut Classic – provides a low cut equal to the original SVT 4: Ultra Low Classic – contours the sound to emphasize the low end just like the original SVT 5: Ultra Low Modern – provides a substantial low end boost 7. ULTRA HIGH: This switch, when depressed, adds about a 16dB boost to the high frequencies around 8kHz, depending on the setting of the Gain control (#4). 8. BRIGHT: This switch, when depressed, adds a 6dB boost to the high frequencies at 3kHz. 9. BASS: Use this contro...