Tube Amp Doctor 6550A-STR Sextett

With the TAD 6550A-STR offers Tube Amp Doctor a detailed reissue of the GE 6550A power stage tube with heavy glass bulb. These features and an additionally reinforced anode make the 6550A-STR probably the most reliable 6550 power amp tube to date. Their trademarks include tighte and responsive bass, clear treble and a large portion of clean headroom.

Overview:

• TAD 6550A-STR Power stage tubes
• 6 pieces, matched (sextet)
• Replica of the GE 6550A
• Reinforced anode
• Powerful basses, lots of headroom