Find Reviews and Compare Prices for:       All ProductsGuitar Amplifiers     0.0 (0)   Add a review THD Univalve Rackmounted Guitar Amp Head Black   The THD UniValve Rackmounted Guitar Amplifier Head is a single-ended class A amplifier head with a single output tube that can be switched at will among many octal-based power tubes, including 6L6, EL34, 6550, KT90, KT88, KT77 and KT66, for ... Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Category Tube Amp Heads Acoustic Amp HeadsAcoustic Combo AmpsAmp CabinetsAmp StacksAmp StandsAttenuatorsCombo AmpsFootswitchesGuitar PreampsHybrid Amp HeadsHybrid Combo AmpsMini & Headphone AmpsPA SystemsPower AmpsReplacement TubesSolid State Amp HeadsSolid State Combo AmpsSpeakersTube Amp HeadsTube Combo Amps--------Suggest a new option Brand THD ADAAERAmpegAMT ElectronicsAvatarB-52BehringerBlackheartBlackstarBognerBuddaBugeraCarvinCelestionC TechCrateDanelectroDean MarkleyDiezelDigidesignEgnaterElectro-HarmonixEnglEpiphoneEVHFenderGenz BenzGretsch GuitarsHiwattHot AmpsHughes & KettnerIbanezISP TechnologiesJet City AmplificationJJKochKrankKustomLaneyLABOGALine 6LopolineMackieMarshallMesa BoogieMoogMotion SoundOn-StageOrangePeaveyPignosePiranaRandallRiveraRocktronRolandSabineSoldanoSovtekSWRTC ElectronicTech 21THDTraynorUltraSoundVHTVoxWavesWood ViolinsYamaha--------Suggest a new option Something wrong in this page? Let us know! Related products: More Tube Amp Heads Guitar Amplifiers Other Guitar Amplifiers internal use: spec82 spec420 spec571