Electro Harmonix 6550 matched tubes quartetElectro Harmonix 6550 matched tubes quartet. €281.25 Includes 25% VATIn stockAdd to cartProduct OverviewShip worldwideElectro Harmonix 6550 matched tubes quartetTube Type: 6550SpecificationManufacturerElectro HarmonixElectro HarmonixCategoryTAD Selected matched power tubesTube typesPower tubeSKUNN481-MQIn stockAdd to cartTAD KT88-STR Redbase Premium Matched Tube Quartet€291.76 Includes 25% VATIn stockAdd to cartSovtek 6550WE matched tubes quartet NN381-MQ €299.45 Includes 25% VATIn stockAdd to cartSpring Tube Retainer for 6550 and KT88€1.79 Includes 25% VATIn stockAdd to cartOctal tube socket gold PCB mount S8CPC-G€3.94 Includes 25% VATIn stockAdd to cartTAD BM2 Bias Master measuring tool with 2 octal probes€177.09 Includes 25% VATIn stockAdd to cartGold Lion 12AX7 ECC83 Genalex Russia tube€76.53 Includes 25% VAT