Stewart Model UDP-1a Universal Dynamic Preamplifier 1920s for just over a year

for just over a year

Body length: 20-1/8"

Body depth/thickness: 3-1/4"

Often considered the “missing link” between the Champ and Deluxe

this is an extremely rare and highly collectible iteration of the early square-shouldered dreadnought that helped define the look and sound of the 1960s singer-songwriter era

Stewart Model UDP-1a Universal Dynamic Preamplifier 1920s for just over a yearNo sales tax for customers outside California. Stewart Model UDP 1a Universal Dynamic Preamplifier. No Power Cable, runs on 9v Battery. Tested in our shop prior to listing. Fantastic tone shaping preamp. Lots of players use this pre with upright as well as electric bass. Also used for acoustic electric guitar, sounding great doing so. Shipping policy: Shipments will require signature on delivery, no exceptions. If there is damage, the buyer must