INV 3378 The Master Key Chromatic Pitch Instrument is a classic tuning device, often used by vocalists and musicians to find reference pitches. Here's a breakdown of what makes it special: 🎺 Overview Manufacturer: WM Kratt Co. Model: A-440 (standard pitch reference) Type: Chromatic pitch pipe Range: Typically spans 13 notes (C to C), covering a full chromatic octave Material: Brass body with hand-tuned bronze reeds Design: Compact and durable, with clearly marked note indicators
