My mother had a teaspoon collection in a bunch of racks on the wall in the dining room. I remember being pretty impressed with the resulting distortion, and the fact that you now had 4 tone knobs (2 before and 2 after the distortion) to play with. I had a tech run the output of channel 1 into the input of channel 2. The head weighed 30 lbs, and the cabinet weighed 50 lbs. When I was a teenager, I had one of what I figured was the last of the pre-CBS Bandmasters, made in late 1964 - almost the same time that I was born. No Master Volume either, so keep the Master control in the model dimed. There’s no Middle tone control, so keep this at “5” in the model for authenticity. The original amp controls are: Treble, Bass, Volume Bright and Volume Normal, and a Bright switch. I know quite a few people use it as their main Fender model. The Bandmaster sounds very balanced to me.
When it does start to break up, it produces a nice overdrive. It’s an amp with quite a lot of headroom. The model is based on the Vibrato channel. It has two channels: “Normal ” and “Vibrato”. This amp puts out around 40 watts through two 6L6 tubes.
This makes it possible to adapt to small and big stages and gigs just by configuring the speakers." The blackface and silverface Bandmaster is a big sounding amp with a flexible speaker impedance of 4 ohm, allowing anything between one and four speakers (8 ohm each) to be connected via the main and/or external speaker jack.
The blackface Bandmaster is therefore ideal for those who look for a pure Fender clean sound without making ones ears bleed. A smaller output transformer will introduce sag and compression in the power amp section. The Bassman has a slightly bigger output transformer resulting in a firmer tone and more attack. Hence, the AA864 Bassman normal channel has more preamp “juice” and reaches the sweet spot at an earlier volume knob setting. The vibrato channel in the Bandmaster is even more clean than the Bassman because of the vibrato circuitry loading the signal chain and reducing the gain level in the premp section. They are similar in the way that both are clean sounding with just one 12ax7 tube in the preamp stage (vibrato ch in bandmaster and normal channel in bassman). Let’s study the blackface Bandmaster AB763 and Bassman AA864. : “Not all silverface amps were developed in a bad direction.
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