Pre-amp (preamp) set 3 x JJ ECC83S ( 12AX7 ) with Balanced PI Vacuum Tube / Valve by barebonesAmps

Prea-amp valve kit, includes a BALANCED valve, perfect for the phase-inverter (usually V3) of your valve amplifier

A genuine upgrade for many new amplifiers, often shipped with inferior stock valves

Read our Customer Reviews -

• Thank You very much for such a high class care. Lots of best luck with Your business and looking forward to be dealing with You again in the future
  Regards, Arthur - engineerarts
• As described and great comms. Great ebayer thank you very much! - moose3003
• My tube arrived very well packed. Thanks. - gucoleridge-co_0
• A great product - eyefactor
• Very well packed, impressed. - 1959-streets
• Arrived early. Quality Vacuum tube/valve as advertised - hotelcharlie7150
• Fantastic service. Faultless. Highly recommended. Many thanks! - ajcpayne80
• Very well packed & arrived on time. - jefbea-83
• Very carefully packaged. Fast delivery. Good trader. - pelasgus
• Super five star seller, fast delivery. Buy here with confidence! - lpo900

JJ Electonic valves are among the best and most popular valves used today

JJ valves provide excellent performance in both modern and vintage guitar amplifiers and are the perfect upgrade for new amplifiers often shipped with low quality valves

ECC83S is a 12AX7 high gain pre-amplifying double triode. Thanks to its design it peforms with very low noise and low microphonics. Harmonically rich, with a detailed low end and a warm high end

Every tube is electrically tested for all parameters which are the key to a flawless operation and a great sound. Specifically, these parameters include: leakage characteristics, internal vacuum level, cathode emission capability, filament voltage and current, anode current saturation level, microphony and others

Each valve is both factory tested and tested by us before shipping