INV 9535 The Hartke GT60 is a discontinued but intriguing hybrid guitar amp head that blends tube warmth with solid-state reliability. Here's a breakdown of its key features and user impressions: 🎸 Core Features Power: 60 watts, suitable for practice and small gigs Preamp: 12AX7 tube for warm, articulate tone Channels: Two independent channels (Clean and Overdrive/Distortion) EQ: Channel 1: Volume, Bass, Treble Channel 2: Gain, Volume, Bass, Mid, Treble
