The 12BH7 guitar amplifier valve (or tube) was first introduced in 1957. The 12BH7 valve is a special version of a typical guitar amplifier pre-amplifier tube that has unique characteristics. The 12BH7 has a medium gain rating and is used in valve guitar amps which require a specific tonal quality, noise and power output are required. The 12BH7 guitar amplifier valve was developed by BRIMAR but is now manufactured by ELECTRO-HARMONIX. See below current 12BH7 amplifier valve suppliers. Just click on the buy now button and you will be taken to the check out. The web site includes replacement valve kits for all the popular brands of guitar amplifier. There are links to allow you to buy single amp valves, matched valve sets and complete amplifier replacement valve kits. Use the links at the bottom of this page to find your valve or amplifier.
Buy the 12BH7 Guitar Amplifier Valve (Tube)
Alternatives for the 12BH7 Amplifier Valve
If you are buying the 12BH7 for a small practice amplifier like the Blackstar HT-5 amplifier to ensure you get the best performance it is recomended to buy the official electro-harmonix product or higher priced items that have gold pins. Current production of the 12BH7A from Electro-Harmonix is a direct replacement for any amplifiers with the 12BH7 and 12BH7A tubes. The JJ Electronic ECC99 is a compatible driver tube, it can be used as a substitute for 12BH7 in many cases, but please refer to amp manufacturer’s recommendation if you are not sure.
Guitar Amplifiers with the 12BH7 Valve
- Blackstar HT1, Replacement Valve Kit
- Blackstar HT5, Replacement Valve Kit
- Marshall DSL5, Replacement Valve Kit
12BH7 Replacement Valve Sets
- Tube Set – 3x 12AX7 (ECC83) and 1x 12BH7
- Tube Set – 1x 12BH7 and 3x 12AX7 (ECC83)
- Tube Set – 1x 12BH7 and 1x 12AX7 (ECC83)
- 12AT7 (ECC81) Guitar Amplifier Valve (Tube)
- 12AU7 (ECC82) Guitar Amplifier Valve (Tube)
- 12AX7 (ECC83) Guitar Amplifier Valve (Tube)
- 5751 Guitar Pre-Amplifier Valve (Tube)
- 5AR4 (GZ34) Rectifier Valve for Guitar Amplifier
- 6550 Power Valve for Guitar Amplifier (Alt KT88)
- 6L6 Guitar Amplifier Power Valve (Alt 5881 / KT66)
- 6V6-GT Power Valve for Guitar Amplifier (Tube)
- EL34 Power Valve for Guitar Amplifier (Alt 6CA7)
- EL84 Power Valve for Guitar Amplifier (Alt 6BQ5)
- Buy Matched Guitar Amp Valves
- Matched sets of pre-amplifier and power output valves to ensure the maximum performance from your amplifier.
- Buy Full Guitar Amp Re-Valve Kits
- The best way to get the best from you guitar amplifier. By changing all of the valves as a complete set maximum performance from the amplifier can be assured. Changing individual valves can be a false economy as the one weak link in the chain will affect the overall performance.
- Look Up Your Valve Guitar Amplifier
- We have kits available for most guitar amplifiers.
- Read our Guide to Replacing Guitar Amplifier Valves
- Read Guitar Amp Pre-Amplifier Valves Compared
Is your Guitar Amplifier Struggling? Has the output sound begun to degrade and break up? Are you experiencing additional noise and distortion? If yes, then it is time to consider replacing some or all of the valves in your guitar amplifier. Guitar amplifier valves (or tubes as they are known in the USA) are robust and will work for many hours. Performance will be affected by mistreating them or allowing them to overheat. Generally the performance of vacuum tubes starts to degrades with the amount of time they are used and up to 1000 hours is typically the optimum life of a valve or tube.
If the performance of your amplifier is failing then it is likely that some or all of the valves need replacement. When replacing guitar amplifier valves it is best to use matched pairs as this will ensure the valves last as long as possible with the best sound quality. We have a full range of replacement guitar amplifier valves and matched sets available for the most popular amplifier types – see the links above.