JJ 6550 tubes available from stock again at TAD

Press release | The JJ 6550 tubes are available from stock again here at Tube Amp Doctor:

• also available in matched sets as pairs, quartets and sextets
• powerful, punchy 6550 in the style of the old General Electric with good attack in the highs
• also suitable for powerful bass amps, and some guitar amps, such as the ENGL Savage 120

For further info: to Tube Amp Doctor website