Bugera 1990 INFINIUM British Bite 120-Watt Tube Amplifier Head with Reverb and INFINIUM Tube Life Multiplier Hand-built 120-Watt hi-gain amplifier driven by 4 x 5881 tubes (now fully compatible with 6L6 and EL34, etc.) Classic split channel preamp design (Clean, Lead) featuring 3 x ECC83 tubes for 90s metal rock tone Integrated high-class reverb with dedicated Reverb controls for each channel Revolutionary INFINIUM Tube Life Multiplier technology: Extends the life of your amplifiers expensive power tubes up to 20 times. Provides incredible reliability and consistent tone over the complete lifespan of your tubes  No need for expensive matched tube sets Allows you to mix and match any combination of compatible tube types and brands  Monitors performance of each power tube continuously and displays defective tubes to allow for easy and individual replacement Vintage Equalizer section with dedicated Bass, Mid, Treble and Presence controls