Your Feedback
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

PayPal installment payment is offered to you in the checkout at PayPal.

  1. Home/
  2. Guitars/
  3. Valves and Tubes for Amps/
  4. Other Valves for Guitar Amplifiers/
  5. Tube Amp Doctor 6V6GTB-STR Tubes Duett

Tube Amp Doctor 6V6GTB-STR Tubes Duett

(9)
Item: SER0000409-000
Tube Amp Doctor 6V6GTB-STR Tubes Duett Product Image
Tube Amp Doctor 6V6GTB-STR Tubes Duett Product Image
Enable Social Media
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

€ 58.00
excl. VAT
available soon, estimated to be in stock: May 20, 2026

Activate social media for sharing. Data will only be sent via social networks with your consent.

Tell a friend

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
€ 58.00
Tube Amp Doctor 5881WXT-R Tubes Duett Product ImageTube Amp Doctor 5881WXT-R Tubes Duett
€ 108.40
S4GB EL84 Premium Duet Handselected Product ImageS4GB EL84 Premium Duet Handselected
€ 41.20
Mesa Boogie 5Y3 Rectifier Tube Product ImageMesa Boogie 5Y3 Rectifier Tube
€ 41.20
Mesa Boogie 5AR4 Rectifier Tube Product ImageMesa Boogie 5AR4 Rectifier Tube
€ 55.50
Tube Amp Doctor E88CC/6922 Selected Balanced Product ImageTube Amp Doctor E88CC/6922 Selected Balanced
€ 40.30

Compare with similar products

Financing - the advantages at a glance