How the AB763 Works - Rob Robinette
The Deluxe Reverb is known for its under rated power supply which gives the amp a lot of feel and touch response but leads to a loose low end and even "farting out" at very high volume settings. The other AB763 amps like the Twin Reverb have higher output power supplies that do not suffer from the Deluxe Reverb's loose low end.
Build an AB763 Blackface Amplifier - Rob Robinette
This is my personal AA1069 silverface Bandmaster Reverb and it's a very quiet amp. Which AB763 to Build? Notes: Amps with reverb have 3 preamp gain stages in the Vibrato channel with slightly more gain and preamp distortion. The Super Reverb has a higher rated output transformer than the other 2 x 6L6 amps.
AB763 Models - Rob Robinette
The Super Reverb features four 10 inch, eight ohm speakers and an upgraded output transformer that make it a big, heavy amp with great bottom end punch and lots of output volume--it's almost as loud as the Twin Reverb.
Fender Super Reverb AB763 Build - The Canadian Guitar Forum
2021年4月10日 · A Super Reverb this time, AB763 circuit, following a print by "RobRobinette". Little different grounding scheme from what good old Leo did. No brass plate, and the entire pre-amp section is grounded at the first channel input jacks.
AB763 Super Reverb - EL34 World
LEFT CENTER DEFAULT L2 Super Reverb & Concert use .022uF Mid Cap, all others use .047uF false LEFT CENTER DEFAULT L2 Tremolux, Band-Master & Showman use 500pF PI coupling cap false LEFT CENTER DEFAULT L2 All others use .001uF false LEFT CENTER DEFAULT L5 The Concert, Band-Master, Showman and Twin Reverb use a solid state rectifier false LEFT ...
AB763 Deluxe Reverb build ideas - Telecaster Guitar Forum
2024年8月27日 · Why build what so many already have? How about a lower power reverb thing with a hot channel and more versatility. 2x10 with 415VDC B+. Separate circuit for the pin 8 cathodes on V1&V2. Revoiced Normal channel with more gain + reverb and tremolo. It would
AB763 Mods - Rob Robinette
Convert a Band-Master Into a Vibrolux, Tremolux, Pro, Concert or No-Reverb Vibroverb or Super Reverb. The Vibrolux and Vibroverb combos are much more sought after amps these days than the lowly Band-Master head but their differences are trivial and converting a Band-Master into any of the 2x6L6 AB763s is an easy mod.
AB763 circuit Master Volume Mod - Gearspace
2019年1月19日 · Yank the reverb circuit to sacrifice a 12AX7 stage for a little extra oomph. Change or even eliminate the gain-sucking tone stack that's there. Here would be my general guidelines to get successful overdrive/distortion from triode preamp stages:
Early '80s, last of the silverface Deluxe Reverbs?
2019年10月12日 · I have a line on an early '80s Deluxe Reverb- not a Deluxe Reverb II, but the final version of the original Deluxe Reverb. According to Rob Robinette, the final circuit revision was in 1977 and even that wasn't much changed from the 1970 version- the Deluxes never got the "Ultra Linear" treatment that plagued the big amps.
Tone Master Deluxe Reverb VS Tone Master Twin???? - Telecaster Guitar Forum
2019年11月28日 · Scroll partway down this page, and you'll find that Rob Robinette sums it all up very nicely: The multi-speaker amps, the Tremolux, Band-Master, Concert, Super Reverb, Dual Showman and Twin Reverb use a "heavy" negative feedback (NFB) circuit compared to the other AB763 amps' "light" circuit.