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Financing - the advantages at a glance
  • Fast and simple payment process
  • Flexible – Individual rates and terms

Cost of purchase 

financing example:

Financing - the advantages at a glance
  • Fast and simple payment process
  • Flexible – Individual rates and terms

Cost of purchase 

financing example:

Financing - the advantages at a glance
Financing - the advantages at a glance
  • Immediate decision even during the payment process
  • Spread the costs over 12 months

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  5. Tube Amp Doctor 6V6GTB-STR Tubes Duett

Tube Amp Doctor 6V6GTB-STR Tubes Duett

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Item: SER0000409-000
Tube Amp Doctor 6V6GTB-STR Tubes Duett Product Image
Tube Amp Doctor 6V6GTB-STR Tubes Duett Product Image
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Heavy duty version oft he 6V6GT with finer highs and a longer life as the 6V6GT-R. The ideal tube for Deluxe Reverb or Princet...  All product info
Tube Amp Doctor

$ 68.00
excl. VAT

Additional import duties apply to this shipment due to U.S. Customs Regulations. These charges will be collected by the delivery service before or upon delivery.
available soon, estimated to be in stock: May 18, 2026

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6V6GTB-STR Tubes Duett

Heavy duty version oft he 6V6GT with finer highs and a longer life as the 6V6GT-R. The ideal tube for Deluxe Reverb or Princeton Reverb Amps.

Features:

  • Manufacturer: Tube Amp Doctor
  • Tube type: Poweramp
  • Quantity: Duet
Tube Amp Doctor 6V6GTB-STR Tubes Duett Product ImageTube Amp Doctor 6V6GTB-STR Tubes Duett
$ 68.00
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Financing - the advantages at a glance