Randy Jackson is world famous as a TV celebrity—he's been one of the judges on America's most-watched TV series, American Idol, since the beginning of the show in 2002. What some don't know, however, is that he's an incredibly accomplished bass player. His resume is vast and varied, and boasts such names as Carlos Santana, Jerry Garcia, Jean-Luc Ponty, Journey, Zucchero, Billy Cobham, Keith Richards, Aretha Franklin, Steve Lukather, Madonna, Herbie Hancock and many others. Randy has collaborated with Markbass to create this exceptional 1x15” cabinet. TTE amps have now a new and very cool “Modern Vintage” design! In the new TTE 501 Randy Jackson signature the current technology is brought together with classic tone concepts ito have an head that looks and sounds vintage—but features some special adaptations of the Markbass innovations like the Tube Technology Emulator (TTE), giving to the 500W amp power even more tubey warmth. The TUBE HEART of the TTE 501 makes this head an incomparable vintage sounding amp. Your sound comes into this beauty through an old-style tube preamp, is fed through a professional tube compressor, then a simple 3-band passive EQ section, a “Colour” filter (a tube adaptation of the famous Markbass VLE control), and then finally gets amplified by an innovative Tube Technology Emulator power amp. But there's no better way to understand “Modern Vintage” than to plug in the amps and let the tone explains itself! Specifications Preamp Preamp: Tube Tubes: 3X Ecc83 + 1X Ecc81 (Compressor) Power Amp Power Amp: TTE (Tube Technology Emulator) Power: 500W Rms @ 4 Ohms / 300W Rms @ 8 Ohms Eq (Passive) Bass, Middle, High Controls Compressor Colour (Tube-Driven Vle) Outputs Line Out: Balanced Xlr, Max. Voltage 20 Vpp Speaker Out: Two Speakon/1/4" Combo Other Weight: 12.57 Lbs / 5.7 Kg Width: 18.90 In. / 48 Cm Depth: 10.24 In. / 26 Cm Height: 7.87 In. / 20 Cm Power Requirement: 100/120V; 230V; 240V 50/60Hz (Voltage Is Factory Preset According To Region Of Sale).