{ "siteName" : "/mf", "mobileAppSrcCode" : "DIRECTSOURCECODE2", "segmentCookie" : "", "mobileAppItunesBanner" : "true", "enableClarip": true, "claripConsentJSUrl": "https://cdn.clarip.com/gci/clarip_consent.js", "claripDomain": "https://gci.clarip.com/", "sourceCodeId" : "61001562", "sourceName" : "DIRECTSOURCECODE2", "sourceSegment" : "direct", "profileZipcode" : "", "jsonLdEnabled" : "true", "profileStoreId" : "", "onlineOnlyLessons" : "", "defaultLessonsStoreId" : "", "profileStoreName" : "", "contextPath" : "", "imageResizeEnabled" : "false", "unicaEnv" : "site-devint", "staticContentUrl" : "https://static.musiciansfriend.com", "styleStaticContentUrl" : "https://static.musiciansfriend.com", "catalogAssetStaticContentUrl" : "https://static.musiciansfriend.com", "scene7StaticContentUrl" : "https://media.musiciansfriend.com/is/image/", "scene7BasePath" : "MMGS7/", "staticVersion" : "2026.10.26.7.7.51.1.mf.dev.atg.d&cb=4", "versionParam" : "?vId=2026.10.26.7.7.51.1.mf.dev.atg.d&cb=4", "customerService" : "800-449-9128", "profileID" : "14785689885", "contentKey": "site1HA-stewart--used", "isInternational": "false", "isWarrantyShippable": "true", "isInternationalCommerceEnabled": "false", "currencySymbol": "$", "profileCountryCode": "US", "profileCurrencyCode": "USD", "audioEyeEnabled" : "true", "applePayEnabled":"false", "oLOnExitNumber": "0", "liveChat" : "false", "cookieLoggedIn" : false, "richRelevanceMode":"render", "richRelevanceApiKey":"46baeda9936d6a41", "richRelevanceUserId":"", "richRelevanceSessionId":"4a093709141d2cae82218b891f8b345f", "rrBaseUrl":"//recs.richrelevance.com/rrserver/", "rrChannelId":"-", "hashedUserIdForCriteo":"", "rrTimeout":"10000", "isEducatorAccount": "false", "sessionIsDC": "false", "fullyLoggedIn" : false, "welcomeMat" : "false", "powerReviewsUrl" : "//static.musiciansfriend.com/", "deviceType" : "d", "prodEnvEnabled" : false, "isMobile":"false", "rrLoadAtgRecs":"false", "janrainAppDomain":"https://login.musiciansfriend.com", "janrainAppId":"fpcfgdnipomgblmndfod", "janrainAppName":"login.musiciansfriend.com", "endecaCookieSortEnabled":"false", "enableInstoreOnlyAddToCart":"false", "JSESSIONID":"JGRihB6t5roZa8Gstqe523yj7viYLoIr7zjSh34G.mfbotc01", "isHum" : "false", "showEloyalty": "true" , "loyaltyName":"rewards", "showLoyalty":"true", "loyaltyUser":"", "loyaltyPoints":"", "showCheckoutLoyalty":"true" , "fortivaCardName":"Choice Card" }

Home Stewart Amplifiers & Effects Amplifiers Used Amplifiers

Used Stewart Amplifiers

(1 Items)

Used Stewart UDP1 Guitar Preamp

$49.99

Good Condition

Your Cart Is Empty

Used Stewart Amplifiers