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Фрагмент инструкции
Revived from the past and enhanced for the present, this limited production model offers all of the best features of the 1960’s classic plus more. In order to get the most out of your new amplifier, please read these instructions before its use. FEATURES: • 0db and -15dB Input Jacks • Tube Bias Select Switch • Patented “Flip Top” Enclosure • Ultra High / Ultra Low Boosts • Impedance Selector (8/4 Ohms) • Ampeg Vintage 15” Speaker • Input Gain Control • Line Out/Line In jacks • H.F. Horn w/Level control • Three Band EQ • XLR Balanced Line Out Jack • 100 watts RMS • Five Position Mid Freq Select • Line Out Level Control • All Tube Design • Master Volume Control • Pre/Post Select Switch • Removable Dolly Board w/Casters • Half-Power Switch • Ground Lift Switch • Proudly Made In America SOME SUGGESTED SETTINGS: OUT IN AS NEEDED AS NEEDED JAZZ: IN IN AS NEEDED AS NEEDED FUNK: OUT OUT AS NEEDED AS NEEDED ROCK: OUT IN AS NEEDED AS NEEDED COUNTRY: B-15R PORTAFLEX 1 2 4 3 5 6 7 8 9 10 11 12 13 1,2: INPUT JACKS: Connect the signal cable from your instrument to either of these jacks: if your bass has active electronics, its output may be “hotter” than normal – the -15dB jack is padded to accommodate such signals. If your bass has normal pickups, use the 0dB jack. 3,4: ULTRA HI / ULTRA LO BOOSTS: Engage these pushbutton switches to boost the highs or lows as desired. These switches activate the boosts at their “in” positions. 5: GAIN CONTROL: Adjust this control to suit your instrument’s signal level and your playing style – lower output levels and softer playing styles require a higher setting of the Gain control than high output and “hard” playing styles. Proper adjustment of this control will give you clean sound with the lowest noise. 6: BASS CONTROL: Adjust the low frequency output of the amp with this control: turn the control to the left for less; to the right for more. This control allows a range of ±25dB at 40Hz. 7: MID CONTROL: Adjust the midrange frequency output of the amp with this control: turn the control to the left for less; to the right for more. This control allows a range of ±34dB at the selected frequency (see #8). 8: FREQUENCY: This control allows you to select one of five midrange frequencies: 200, 400, 900, 1.5k or 2.5kHz. The setting of this control determines the effective range for the Mid control. 9. TREBLE CONTROL: Adjust the high frequency output of the amp with this control: turn the control to the left for less; to the right for more. This control allows a range of ±30dB at 4kHz. 10: MASTER: Set the overall output level of the amplifier with this control. When the Post/Pre switch (#22) is at the IN (“Post”) position, this control also affects the level at the Balanced Line Out jack (#24). 11: HALF-POWER SWITCH: For situations where lower playing volumes are appropriate, flip this switch to the “60W” (down) position. This, in effect, bypasses one-half of the output amplification devices, producing one-half the output power as before. Of course, when full output is desired, flipping the switch to the “100W” (up) position returns the amplifier to its original 100 watt state. Note: In the 60 watt position the amplifier will deliver approximately 40 watts into the internal speaker. To deliver the full 60 watts into the internal 8 ohm speaker, set the impedance switch (#18) to the 4 ohm setting. Operation at either impedance setting is acceptable and will yield some variances in the tonality of the unit. Experiment with these settings to determine which sound best suits your personal taste.. 12: STANDBY SWITCH: Activate the amplifier with this switch, after the Power switch has been turned on. Always turn this switch off first, on last. Turn on the Power switch (#13) at least 30 seconds before turning on the Standby switch. During breaks, turn the Standby switch off, leaving the Power switch on. This helps promote longer tube life. 13: POWER SWITCH: Turn on the main AC power with this switch. Always turn this switch on first, off last. Turn on the Standby switch (#12) at least 30 seconds after turning on the Power switch. 17 MODEL: SERIAL: LINE: V ~ Hz WATTS: MAX B-15 B1500691242 120 60 14 20 21 22 24 15 16 18 23 19 14: AC LINE IN: Use the supplied power cord to connect the amplifier to a suitable source of A.C. voltage. This is a grounded, three-wire cord and must be connected to a properly grounded outlet. DO NOT attempt to defeat the ground connection of the power cord! See the serial number label for power ratings. 15: FUSE: This protects the amplifier from damage to overload conditions or power line surges. If the fuse blows, replace it only with the same size and type. 16. BIAS SELECT: Allows for instant bias adjustment when the TYPE of output tube is changed. The setting of this switch must match the type of tube being used! The amplifier is shipped with 6L6 tubes installed. 17. SPEAKERS: Connect the amplifier to the internal speaker and/or an extension speaker cabinet using these jacks...