For sale: PrimaLuna Prologue four. Lovely color black. Included original packing and power cord. No manual (can be found on website PrimaLuna). Perfect condition, 99% spottless. 2 very small tiny marks at the side panels completely towards the rear. Very difficult to get on picture, not visible at all when set up. Comes with all original tubes, estimated 200 hours played maximum (=10% for the power tubes): 4x EL34 + 2x 12au7 + 2x 12ax7 Year of production: +/- 2007. SPECS: Power: 35W / channel Frequency Response: 20Hz - 85kHz +/- 0,2dB at rated power; 4Hz - 110kHz -3dB @ 1W THD with AABB: @ 1W; @ 10W; max 2% at rated power into resistive load S/N Ratio: 89 db (unweighted) ref 1W Input Impedance: 100 kOhm Input Sensitivity: 600mV Maximum Gain: 28x (29dB) Power Consumption: 115W @ idle, 210W @ rated max. power Net Weight: 37.5 lbs / 17 kg Dimensions: 15.5"x11"x7.5" / 395mm x 280mm x 190mm (L x W x H) Inputs: 1 pair RCA Outputs: 4 & 8 Ohm speaker taps Tube Complement: 4 x EL-34, 2 x 12AX7, 2 x 12AU7 Auto-bias, you don't need matched tubes in this amp. If you require more power, following tubes can be used: KT66, KT90, 6L6GC, KT88 or 6550 (always see manual before installing). Will be shipped in original "box-in-box" + extra protected by paper (=anonymous package). Weight for shipping +/- 18kg.