B15nf preamp in one channel, the 1964 b 15nc preamp in the other channel, switchable fixed 1966 b15nf vs. Originally established in 1946 in linden, new jersey by everitt hull and stanley michaels as michaelshull electronic labs, today ampeg is part of the yamaha guitar group. It has two channels each have volume with a pull bright switch, treble and bass controls. Ampeg b15 planning stages discussion in shock brothers diy amps started by. I tried to capture that unique tone and feel in every way. Based on several years of vintage ampeg b15 designs, the trip top combines the original circuits of both the ampeg b 15nc 1964 as well as the later b15nf 196567. The b15nc also was one of the first if not the first ampeg amp to. The various stages of the b15n schematic are illustrated below. Ampeg diagrams, schematics and service manuals download for free. Behold the ampeg b15, a simple box on wheels that houses the very crossroads. The ampeg b15 has been known as bassists trustiest sidekick for generations. Ampeg b15 planning stages page 2 telecaster guitar forum. Do you have a ampeg guitar or bass tube amp that needs repair or modifications. The ampeg heritage b15n contains three types of tubes.
The highquality fliptop, doublebaffle cabinet is covered in black diamond tolex and factors heavily into the amazing tone of the iconic original. Ampeg j20 schematic ampeg jet j12b amp schematic ampeg jet j12d amp schematic ampeg m12 6v6 amp schematic ampeg m12 7591a amp schematic ampeg m15 amp schematic ampeg protaflex bt15 15c 15d 18c amp schematic ampeg r 12r 212r 50h amp schematic ampeg r 12r 212r 50h reverbrocket ri amp schematic ampeg reverb rocket 12a amp schematic ampeg reverb. Ampeg went back to a tube rectifier and changed to a printed circuit board in 1964 b15nc. The have been several revisions of this amplifier over the years, the b 15nc is a good schematic to adopt for your project. The b15n spawned a number of variations through the decade including the b15nb and b 15nc. Manual services, hifi manuals, diagrams, owners manuals, schematics, datasheets and brochures online for free download for your guitar amplifiers, mixers, effect processors, midi synthesizer, available on of the vintage hifi site. Maintaining these circuits keeps the same gain structure and biasing found in the original b15n amp designs, preserving their true heritage. The heritage b15n features distinct 1964 and 1966 channels, plus ampegs flexible baxandall eq and selectable bias modes for ultimate tone control. The bass amp combines the original circuits of the ampeg b 15nc 1964 as well as the later b15nf 196567. Ampeg portaflex b15n 1967 black price guide reverb. Ampeg, manual services, hifi manuals, diagrams, owners. Collection of various ampeg portaflex and other amp schematics, as well as various oliver amp schematics.
The b15nf channel has the volume control section before the tone stack and in the b15 nc channel it is after. Ampeg svt wiring diagram whats new ampeg svt wiring diagram eg b 15nc the b 15nc also was one of the first if not the first eg to use a printed circuit board drastically optimizing production times similarly eg shifted the wiring behind its business wire garmin international inc a unit of garmin ltd as well as geo referenced garmin safetaxi airport diagrams the integration of surfacewatch. These tone modules were used in other ampeg amps of that era such as the svt. Using the baxandallstyle tone control circuit, ampegs bass and treble controls were located between the second and third 6ls7s. This model lasted until mid 1965, when they introduced the b15nf. Although specializing in the production of bass amplifiers, ampeg has previously manufactured guitar amplifiers and pickups and instruments including double basses. Ampeg svt wiring diagram whats new ampeg svt wiring diagram eg b 15nc the b 15nc also was one of the first if not the first eg to use a printed circuit board drastically optimizing production times similarly eg shifted the wiring behind its business wire garmin international inc a unit of garmin ltd as well as geo referenced garmin safetaxi. I need to check what parameters the software allows for transformers, havent got a license yet.
Developed by brainworx in partnership with ampeg limited and. This was first seen in the b15nc revision dated 365 see the schematic section. We duplicated these circuit topologies with the 64 b15nc channel and the 66. Here you will find our collection of ampeg schematics. The history of the legendary ampeg b15 guitar world.
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