6550/KT88

NOS Mullard MO Valve KT88 (Single and Matched Pair) Gold Lion, Genelex, GEC

$310.00
Price: $310.00
Select Matched Pair for amps that use 2 of these tubes and Matched Quartet for amps that use 4
Taxonomy upgrade extras: 

Labeled and boxed as Mullard, but these are IDENTICAL to Gold Lions, Genelex, GEC, etc, which are merely brand names these were sold under in different markets. Black plates.

NOS Tung Sol 6550

$250.00
Price: $250.00
Select Matched Pair for amps that use 2 of these tubes and Matched Quartet for amps that use 4
Taxonomy upgrade extras: 

NOS in good original boxes and matching date codes 322KR3. Gray plates.