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Some Fender blurb wrote:Bassbreaker Series
The late-'50s tweed-covered Fender Bassman is often called the grandfather of all guitar amps. What started earlier that decade as the companion amp for the Precision Bass actually became one of the most beloved guitar amps of all time, thanks to its simplicity and versatility, its wide dynamic range and warm tube overdrive, its full-frequency stage-filling power and its rugged roadworthiness.

Fender tweed amps evolved into the brown, blonde, blackface� and silverface models of the 1960s. Along with the dramatic evolution of their look, the amps were redesigned each time to sound brighter and cleaner. New Bassbreaker Series guitar amplifiers continue that fascinating lineage with yet another sound and style, a kind of "parallel evolution"� in which time-honored Fender amp DNA results in a satisfyingly dirtier tone that evokes the dawn of hard rock.

The new series takes the 45-watt 1959 Bassman design and breaks it with features including the early Fender block-letter logo, black tweed covering, and refined pointer knobs plus power tubes hinting at the U.K. amps that "borrowed" Fender circuits in the 1960s. The sound is one of pure and unadulterated tube greatness.

BearBoy wrote:Here's a picture of the 15W combo:

The Bassbreaker 45 is the 45-watt flagship model that leads a first-rate lineup of lower-wattage models, all with pro-level tone and performance for today’s rock players.
Features Include
•’59 Bassman circuit with incredible touch sensitivity, dynamics, and “pedal friendly� response
•Dual EL34 output tubes for tighter rock distortion character
•Output level knob takes power from 45 watts to a single watt and anywhere in between, tailoring full-powered Bassman overdrive capabilities for studio, stage and arena – players can dial up many “sweet spots� with various combinations of level and channel settings
•Normal and Bright inputs, plus BOTH input for achieving legendary “channel blend� tonal variations without a patch cable
•Two 12� Celestion® V-Type speakers for tight response and “vocal� tone character (combo model only)
•Cabinet has Birch Ply construction and semi-closed back for full, resonant response and low-end “thump�
•Matching BB-212 enclosure fits perfectly under Bassbreaker 45 combo or head

The two-channel Bassbreaker 18/30 offers the performance of two time-tested Fender classics. Channel One offers pure, bell-like clean tones and warm crunch when driven, thanks to its Blackface Deluxe amp circuitry with extra headroom and 30-watt output. Channel Two's circuit is based on an 18-watt '61 brown Deluxe, offering plenty of power amp overdrive with easily controlled dynamics at 'real world'� volume levels. An included footswitch allows easy selection between the two, and four EL84 power tubes add a distinctive midrange punch.

With pedal-friendly tube circuitry, simplicity of operation, and updated vintage aesthetics, the Bassbreaker 18/30 Combo is sure to become a modern classic.