Updated 17 May 2026
| Brand | Tube Amp Doctor |
| Category | Guitars |
| Available at | 1 UK stores |
| 90-day avg | £35.00 |
Tube Amp Doctor
Tube Amp Doctor 12BH7A REDBASE TAD Premium Selected Preamp Valve (Single Unit)
£35.00£36.00↓ 3% offFair Price
Cheapest at Bax · 1 store
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PRICE HISTORY
Current
£32
Change
+13.3%
Avg
£32
Low
£28
High
£34
Volatility
4.6%
PRODUCT DESCRIPTION
- The high-grade Tube Amp Doctor 12BH7A REDBASE TAD Premium Selected preamp valve is an outstanding match for amplifiers like the Ampeg SVT, the Blackstar HT-5 and Marshall DSL5. This tube is also compatible with some Hammond organs and other Hi-Fi audio applications and, since it is a Premium Selected valve, it&apos
- s undergone extensive output, gain and noise testing.