Mesa/Boogie SPAX7 Vorstufenröhre
Product information "Mesa/Boogie SPAX7 Vorstufenröhre"
Mesa Boogie SPAX7 preamp tubes, the top grade 12AX7 with an even higher standard of overall performance due to their incredibly high microphonic noise resistance. The ultimate preamp tube to use in critical gain stages, especially in first stage/input positions or high gain stages in the preamp tube chain. Selected by our rigorous 12AX7 testing process and when found to be substantially more stable and quiet in extreme high gain applications, they are fitted with a shrink-wrap shielding which further stabilises the tube and reduces external interference and noise. MESA SPAX7s deliver the lowest noise floor with the highest gain output. SPAX7s are a great tube to have as spares and for any applications where the absolute lowest noise microphonics are wanted.
- Batch: Single
- Position: pre-amplifier
- Type: ECC83 / 12AX7
- High Grade
In the late 1960s Randall Smith, one of the most famous amp repairers in the San Francisco Bay Area, was inspired to build his own amplifiers after developing a fondness for the tweed circuits of the 1950s. He loved their organic sound, the effective controls and the way the tone gently moved from clean to distortion and back again when the gain control was used.
To push forward with his own amplifier designs and concepts, he settled in Pentaluma, California in 1969 and worked on further developing his amps.
The characteristic, heavily distorted sound of his Mesa/Boogie amplifiers was initially the result of an electrically mis‑dimensioned preamp. Founder Randall Smith wasn’t sure whether the preamp’s output would be enough to drive the power amp, and he built it with four twin triodes, of which the first seven triodes are still used today to amplify the input signal.
Many years later Mesa/Boogie has grown into one of the major global players in the market for high‑end guitar and bass amplifiers and is a leader in the development of modern amp designs and circuits. The American company also holds several patents on special features and circuits, such as Multi‑Watt™, Dyna‑Watt™ and the Mesa CabClone™ cab simulator, which you’ll certainly come across when browsing our selection of Mesa/Boogie products.
Of course, a maker of such innovative and high‑quality products has by now also gathered a large fanbase among professional musicians who got hooked on Mesa/Boogie amps. The best known users of Mesa/Boogie amps include the already mentioned Carlos Santana, Larry Carlton, Angus Young, Robben Ford, Eric Johnson, Keith Richards, Pete Townshend, Adam Jones, Mark Tremonti and Dave Grohl. Of course these aren’t the only famous Mesa/Boogie users, and Mesa/Boogie also boasts a large and steadily growing following among studio musicians and hobby guitarists. Maybe you’ll soon be part of the next generation of the Mesa/Boogie fan community?
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Voldoet meer dan aan wat ik ervan verwachte! Het geluid van mijn versterker is nu nog beter dan met de originele lamp!
