1968 Fender Bandmaster

1968 Fender Musical Instruments "Drip Edge" Bandmaster head and 2-12 speaker cabinet (tall version) in excellent condition. This is the model they DIDN'T use in the Beatles doc. Although there is no tube chart, original blackface circuit is present and was confirmed by tech who last went over amp. Amp has had some common modifications, done by the previous owner who had serious electronics experience, as follows:Two modifications were made to the amp; both of which required no drilling of any extra holes anywhere, and are easily reversible to original specifications. A triode/pentode switch was installed where the ground switch was. This mod allows switching between the full Bandmaster 40 watt (pentode) mode and the Deluxe-level 22 watt (triode) mode. Tech referred to this as an "indoor/outdoor switch"; the tone is pretty much is the same but with more volume when you need it. In triode, ii's the sound of a cranked-up Deluxe running through a big 2-12 closed back cabinet. The other mod was the addition of a variable negative feedback circuit. The control pot was installed where the extension speaker jack was. The original owner had an on/off mini toggle switch on this; tech suggested putting in a pot for finer tonal adjustment. (*UPDATED INFO on neg feedback at end of listing.) While the mods done by the previous owner were common and done correctly, he used cheap toggle switches, one of which had failed. Everything was replaced with quality parts, keeping the mods intact. Vibrato works fine across the range, no foot switch, though. A 3-prong cord was also added at the same time the original mods were made. This may need to be replaced depending on what's under the electrical tape where it appears the cord may have taken some melt from contact with hot tubes. Has a set of matched Groove Tubes and Mojotone "Fender Jensen-like" replacement speakers, both installed by previous owner shortly before we got the amp, about 9 years ago.Cosmetically, in great shape. We have tried to show every side and panel of the unit. Grille cloth has some small holes, all of the "drip edge" surrounds are there. There are minor scuffs to the tolex (no tears), some tarnish to the hardware, everything you would expect from a 57 year old amp. Has not seen much travel (we're the third owners) and hasn't moved out of our rehearsal space since we got it. Still used in rehearsal once in a while; fired it up recently and it sounded great with E's new pedals. All in all, a great sounder, perfect for recording big guitars or moving a lot of air in that big rehearsal space.Local (60612) pickup; currently at our 3rd-floor rehearsal space (there IS an elevator). If any local players want to check it out, give us a call, drop us a line. Would consider local delivery if reasonable.*UPDATED INFO A negative feedback loop in a guitar rig involves taking the amplifier's output signal, inverting its phase, and feeding it back to an earlier stage (like the power amp input) to control gain, reduce distortion, and tighten the tone for a smoother sound; conversely, reducing or removing it creates a looser, more dynamic, and harmonically richer sound, with effects pedals creating similar loops for experimental textureIN AMPLIFIER DESIGN (NFB) How it Works: A portion of the signal from the output transformer (speaker) is sent back to the power amp's input, but out of phase with the original signal, effectively subtracting from it.Effects of More NFB: Decreases overall gain, flattens frequency response, reduces distortion, and tightens the sound (more "hi-fi").Effects of Less/No NFB: Increases gain, allows for more harmonic distortion, creates a looser feel, and provides more dynamic response (e.g., Fender Tweed amps, Vox AC30).Control: Often implemented with a resistor, sometimes variable (like a Presence control) or switchable, to adjust the effect.