PreBS 20

This latest custom ordered PreBS 20 build has all the extras. Featuring the popular 1×10/1×12 speaker configuration, Mercury Magnetics output tranny, negative feedback pot, push-pull mid boost and bright switches, tilt-back legs and two-tone western tolex, this versatile 20W, 6V6 powered combo can handle most any gigging or recording situation.

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PreBS 45T

Just finished this custom ordered PreBS 45T 4×10 combo. This one features stock Mojotone trannies, Jensen Falcon speakers and a black tolex covered solid pine cabinet. Solid beefy lows with lots of mid definition and clarity was requested and this Bassman inspired combo delivers the goods!




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New Sansonic Model

This PreBS 20+ just got a facelift for it’s owner Pat Sansone of Wilco and The Autumn Defense. The “Sansonic” model is now available for custom orders. 

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Sweet amps now come with cover!

Some newly screened covers, faceplates, and a custom footswitch.Thanks to Maria at Chicago Printmakers Collaborative!




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PreBS 15+

Just finished another Sweet build. This PreBS 15+ is a prototype model with circuitry based more on a Deluxe Reverb than a Princeton Reverb. It sports the long-tailed pair phase inverter for a smoother/less fizzy distortion when pushed.

Other features include:

18 W output from two 6V6 power tubes, 12″ Mojotone BV-25M(greenback style) speaker, Mercury Magnetics output transformer, push-pull bright switch and negative feedback control on rear panel for richer overdrive harmonics(adds a bit of british flavor to my ear).  A truely Sweet potent and portable gigging and recording amp!

This one is for sale at Chicago Fret Works now! $1500 SOLD

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Brown Western PreBS 20+

Another PreBS 20+ this time in brown western tolex with cane grillcloth. Features Mercury Magnetics transformers, a custom 1×12″ + 1×10″ baffle loaded with Mojotone and Eminence speakers, mid boost, push/pull bright switch and a custom footswitch for reverb, vibrato and negative feedback boost. Uses 6V6(20W) or 6L6(35W) power tubes for versatile gigging and recording options. The amp that does it all!


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Pat Sansone’s PreBS 20+

The new owner of the latest Sweet amp picked up his new live touring amp last week. Pat Sansone of Wilco and The Autumn Defense is using it on the current tour with The Autumn Defense. It features all Mercury Magnetics transformers, 10″ and 12″ speakers, 6L6/6V6 operation, push-pull bright switch on the volume pot and a neg feedback control on the rear panel. It’s got just the right amount of headroom, touch sensitivity and harmonically rich breakup at higher volumes.  This one is in good hands. Thanks Pat! I will be building more just like this in the near future!

Pat Sansone with yours truely at Chicgo Fret Works. 2/05/14

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PreBS T5

Been wanting to try this so here it is. PreBS T5(champ) with 10″ speaker. This is a louder and fuller sounding T5 with NOS 5V4GA rectifier and negative feedback switch. The switch is like a boost providing rawness and richer harmonics at higher volume.  This gives a singing quality to leads and power chords. Too much fun!

$799 – SOLD 3/29/14

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PreBS 20+H(harmonica)

This latest Sweet build was custom order for Chicago Blues Harpist, Big Bill Hickey. It features an oversized Mercury Magnetics output transformer, pair of 6L6GC power tubes,  custom control panel without a “normal” channel or vibrato ckt. and an added anti-feedback control to help control mic squeels. The custom baffle holds a 12″ Eminence Cannabis Rex and a 10″ Jensen Falcon speaker. Both have hemp cones for a warmer harp friendly tone.


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PreBS 15+

The newest Sweet amp is completed! This PreBS 15+ is  based on the legendary blackfaced Fender Princeton Reverb but has been given the Sweet treatment. It features a 12″ Eminence Legend 1218 speaker, oversized Mercury Magnetics Trannys and can run on either 6V6 or 6L6 power tubes.  Unlike a stock Princeton Reverb, this little combo has a nice amount of headroom, 25W when run with 6L6s and can easily keep up with a drummer for live gigging. A push-pull bright switch on the volume and push-pull mid boost on the bass pot give this extra flexibility and tonal range. A familiar voice for gigging AND recording.

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