Electro Harmonix 6550 matched tubes quartetElectro Harmonix 6550 matched tubes quartet. €267.75 Includes 19% 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€277.76 Includes 19% VATIn stockAdd to cartSovtek 6550WE matched tubes quartet NN381-MQ €285.08 Includes 19% VATIn stockAdd to cartSpring Tube Retainer for 6550 and KT88€1.70 Includes 19% VATIn stockAdd to cartOctal tube socket gold PCB mount S8CPC-G€3.75 Includes 19% VATIn stockAdd to cartTAD BM2 Bias Master measuring tool with 2 octal probes€168.59 Includes 19% VATIn stockAdd to cartGold Lion 12AX7 ECC83 Genalex Russia tube€72.85 Includes 19% VAT