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Ampeg B-15 manual

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Table of contents for the manual

  • Page 1

    Owner’ s Manual[...]

  • Page 2

    H e ri t a g e B - 1 5 B a s s Am p l i fi e r 2 H e ri t a g e B - 1 5 B a s s Am p l i fi e r 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water . 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with the m[...]

  • Page 3

    H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er 3 NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interfere[...]

  • Page 4

    H e ri ta ge B- 1 5 B a ss Am pl i fi er 4 H e ri ta ge B- 1 5 B a ss Am pl i fi er Intr oduction Hand-built and hand-wired in the U.S., the Ampeg Heritage B-15 delivers legendary tone in a design that truly lives up to the iconic standard set by inventor Jess Oliver 50 years ago. The Heritage B-15 features circuit paths of both a 1964 and 1966 B-1[...]

  • Page 5

    H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er 5 Heritage B-15 Front Panel 1964: 1. INPUT: The signal output from an instrument (active or passive) may be connected to one of the two 1/4” inputs by means of a shielded instrument cable. The top #1 input jack is 0 dB while [...]

  • Page 6

    H e ri ta ge B- 1 5 B a ss Am pl i fi er 6 H e ri ta ge B- 1 5 B a ss Am pl i fi er 12. IEC POWER INPUT CONNECTOR: This is where you connect the supplied AC power cord. The MAINS fuse is located inside the IEC socket fuse drawer and should be left alone unless a fuse has blown. T o remove and replace the fuse: *Disconnect the power cord from the IE[...]

  • Page 7

    H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er 7 A brief history of the tube: In 1883, Thomas Edison discovered that electrons would flow from a suspended filament when enclosed in an evacuated lamp. Y ears later , in 1905, John Ambrose Fleming expanded on Edison’s discov[...]

  • Page 8

    H e ri ta ge B- 1 5 B a ss Am pl i fi er 8 H e ri ta ge B- 1 5 B a ss Am pl i fi er Power tubes are the largest tubes used in an amplifier, generate the most heat and wear out the fastest. These tubes conver t the low-level, conditioned signal from the preamplifier into a level that is sufficient to drive the speakers. There are several types of po[...]

  • Page 9

    H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er 9 Whenever replacing power tube(s): •Always have the amplifier’sbias voltagechecked by a qualified service center . Improperbias voltage will cause degradation in per formance[...]

  • Page 10

    H e ri ta ge B- 1 5 B a ss Am pl i fi er 10 H e ri ta ge B- 1 5 B a ss Am pl i fi er Heritage B-15 Block Diagram[...]

  • Page 11

    H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er H e ri ta ge B- 1 5 B a ss Am pl i fi er 11 HERIT AGE B-15 TECHNICAL SPECIFICA TIONS Preamp T ube 3 x 6SL7 (N.O.S. JAN Philips ECG 6188) Power Amp T ube 2 x 6L6GC Rectifier T ube  1 x5AR4 / GZ34S or user optional 1 x 5U4G T wo ch[...]

  • Page 12

    H e ri ta ge B- 1 5 B a ss Am pl i fi er 12 Flip-T op Instructions: So you’ve made it this far and you are now ready to flip your lid...or at least the amp. We will instruct you on how to do the latter, as we are not in the business of lid-flipping! It is accomplished in five simple steps: Step 1: loosen the latches on each side of the cabinet. T[...]