The KR AUDIO KRONZILLA SD is a high-end stereo tube power amplifier designed for audiophiles seeking exceptional resolution, natural musical reproduction, and dynamic performance. It features a single-ended circuit operating in Pure Class A with zero negative feedback, powered by two KR T1610 output tubes.
According to KR Audio USA, the KRONZILLA SD is designed to reproduce fine transient details, rich harmonic textures, and a spacious soundstage while maintaining a natural and coherent musical presentation.
Key Features
- Pure Class A Operation: Designed for refined and accurate musical reproduction.
- Single-Ended Tube Design: Uses two KR T1610 (Kronzilla) output tubes.
- Zero Negative Feedback: Operates without negative feedback.
- High-Resolution Sound: Reproduces subtle transient details and musical nuances.
- Rich Harmonic Detail: Designed to preserve the tonal richness and natural decay of instruments.
- Wide Dynamic Range: Combines speed, resolution, and dynamic energy for an engaging listening experience.
- Flexible Speaker Connections: Supports 4-ohm and 8-ohm speaker loads.
Technical Specifications
- Amplifier Type: Stereo Tube Power Amplifier
- Circuit Design: Single-Ended, Pure Class A
- Output Tubes: 2 × KR T1610
- Output Power: 2 × 22 W RMS (THD = 3%)
- Frequency Response: 20 Hz – 20 kHz (−3 dB)
- Output Impedance: 4 / 8 ohms
- Input Sensitivity: 1 V RMS / 47 kΩ
- Feedback: Zero
- Damping Factor: Approximately 2.9
- Power Consumption: 260 VA
- Power Requirements: 115 / 230 V AC, 50/60 Hz
- Operating Temperature: 5°C – 40°C
- Dimensions (W × H × D): Approximately 38.5 × 41.5 × 55 cm
- Weight: Approximately 50 kg
- Official Website