A Legit Rock Amp Head That Fits in Your Gig Bag Looking for a 25-watt nano amp that fits in your gig bag? If so, the Hughes & Kettner Spirit of Rock deserves a close listen. Voiced for rock, this 2.5-pound guitar amplifier head delivers stadium-sized, decade-spanning tones that are guaranteed to shake a few rafters. The Spirit of Rock sounds — and feels — remarkably tube-like, thanks to its bionic Spirit Tone Generator. And since it doesn't employ digital modeling, you get true analog, no-latency performance. You also get a Sagging control, which dials in power amp saturation with tube-like compression. A headphones output with a Red Box cabinet emulator makes practicing fun, while an unfiltered line output makes using cab IRs a piece of cake. Beyond that, the H&K Spirit of Rock's flexible speaker outputs accommodate most cabinets, including full-sized 412 cabs. Whether you use it for practice