Spring Tube Retainer for 6550 and KT88Spring Tube Retainer for 6550 / KT88, nickel finished€1.73 Includes 23% VATIn stockAdd to cartProduct OverviewSpecificationManufacturerTube Amp DoctorCategoryTube retainersTube socketOtherSKUTR-LIn stockAdd to cartCeramic Octal tube socket with solder lugs S8C-1€2.61 Includes 23% VATIn stockAdd to cartCeramic Octal socket with solder lugs S8C€2.24 Includes 23% VATIn stockAdd to cartOctal ceramic socket with gold plated solder lugs S8C-G€3.83 Includes 23% VAT