Big bottle 5U4 rectifier and 6l6 or 5881 power tubes as well as 3 preamp tubes. Here is a look at the tube side of the Bandmaster. It has the 4 inputs, 2 Volume controls of the Deluxe but adds a Bass and Treble tone control and a Presence control to help add a brighter or darker character to the amp. Power, Output transformers and a choke that reinforces the power supply and removes ripple from the circuit. Here is the outside view of a 5E7 Tweed Bandmaster.
#BANDMASTER VS BASSMAN FULL#
They range in price from $700 for a reproduction Bandmaster chassis ready for a combo or head cabinet up to $1500+ for a full Tweed Bassman with 4 speaker cabinet. The result of this extra power supply filtering was big strong bass response- these guys sound like a piano with almost a reverb like clean tone. Leo was all about saving money and it was cheaper to use individual capacitors and mount them on top rather than the multi cap can style units of the day. This became the common location for the higher powered amps in all the Tweed, Brownface and Blackface amps to come. The Bassman drives the power tubes at higher voltages still and uses the beefy power supply capacitors that required Leo to move them to the top side of the amp in what is called the "doghouse" on the chassis. This marks a change for the Tweed amps and gives the higher powered amps a firmer bass response, more clean headroom and great overdriven tone. Bias is set and can be tailored to the power tubes via a resistor set and negative voltage from a power supply tap and the use of a diode. The Bandmaster and its cousins feature Fixed bias for the power tubes. It uses the more powerful 6L6 or 5881 power tubes, a 5U4 Rectifier for more voltage and 3 preamp tubes for more tone control options and gain. The circuit snuggles in between the Deluxe and the Bassman. Frankly, I build a lot of Bandmasters as heads and supply them with multiple load output transformers.
#BANDMASTER VS BASSMAN PRO#
The Super and the Pro are basically the same amp with different output transformers and speaker configurations. There are several variations of amps that share almost virtually identical circuits as the Bandmaster. The Bandmaster, Super, Pro and Bassman amps in the Tweed lineup start the higher power end of the 50's Fender lineup.
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