This is the Standard Retube Kit for the Mesa Stiletto Deuce. The preamp section uses five JJ ECC83S's with one balanced for the phase inverter in V5. The default power tubes are the JJ E34L's which are very tight and punchy with more extension in the low end. With the Customize option you can configure this kit to use the JJ EL34’s, EL34II's, KT77’s or Big Bottle 6CA7’s. **This kit does not come with replacement rectifier tubes. If you'd like to add them you can use the Customize option and select either a JJ GZ34's or 5U4GB's. We do not automatically include replacement rectifier tubes because we've found that most players use the silicone diode mode exclusively. When you're in the silicone diode mode the rectifiers filaments are connected but the tube itself is bypassed.
These amps are fixed bias with no adjustment.All our Mesa Retube Kits include power tubes that are hand selected to run perfectly in Mesa amps. We have extensive hands-on experience measuring the fixed bias points in these amps and what grade of tubes will achieve optimal performance.