Tag Archives: Jim Campilongo

PreBS 15 Traditional Black

Available now! A new PreBS 15  6V6 version with Mercury Magnetics OT and PT as well as push-pull bright and mid boost, negative feedback control, 12″ Jensen Falcon speaker and the usual attention to detail that makes Sweet amps both … Continue reading

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PreBS 15 Brown Western

The first build in the new Tucson shop is a PreBS 15 to match the owners other two Sweet amps! Brown western tolex with Marshall cane grill cloth, Mercury Magnetics transformers, 10″ Jensen Falcon speaker, push-pull mid boost, and user … Continue reading

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PreBS 15+ Carolina Blue

A custom order PreBS 15+ with Carolina blue tolex and cane grillcloth. As always with the + models you can swap 6V6 for 6L6  power tubes for more power and headroom with the upgraded Mercury Magnetics trannies. I definitely prefer … Continue reading

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PreBS 15 Surf Green

A new PreBS 15 in surf green with a turquoise stripe in the grill cloth! Standard power transformer with a deluxe reverb output transformer and choke filtering for just a bit more headroom than a traditional Princeton Reverb. A pair … Continue reading

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PreBS 15 Black with 12″ Speaker

Another PreBS 15 is completed! This one is a traditional looking build with 12″ Eminence GA-SC64 speaker,  Mercury Magnetics transformers, and user adjustable bias control and test points on the rear panel. This $50 upgrade will pay for itself the … Continue reading

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PreBS 15+15

A custom ordered PreBS 15+ with 15″ speaker and Mercury magnetics trannies for 6V6 or 6L6 power tubes and output from 18W-36W.  It also features the new user accessible bias pot and test points on the rear panel. This new … Continue reading

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PreBS 15+ Dark Red Cherry

Another Sweet collaboration with my dad who made the gorgeous red stained cherry cab. It’s got all the usual, Mercury trannies, push-pull bright and mid boost, negative feedback control, and like all + models, can use any 6V6 or 6L6 … Continue reading

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PreBS 15+15

Been wanting to try this for some time now. A PreBS 15+ with 15″ speaker. Turned out better than I imagined! The oversized Mercury Magnetics transformers combined with the larger cabinet and 15″ speaker is a perfect combination! More volume, … Continue reading

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PreBS 15 Black w/Silver Racing Stripe

Another PreBS 15 is completed. This time it’s wearing black with a silver stripe. It features a 12″ Mojotone BV-25M speaker, Mercury Magnetics output transformer, and push-pull mid boost. Of course, it has the usual bells and whistles as well; … Continue reading

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PreBS 15+ Cocoa Levant

Another PreBS 15+ completed, this time in cocoa levant tolex with cane grillcloth. It’s got oversized Mercury Magnetics transformers for 6V6 or 6L6 power tubes, push-pull bright and mid-boost, negative feedback control and a super clean neo Jensen Tornado(in disguise … Continue reading

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