KR AUDIO VA350

Pure Class A Tube Integrated Amplifier

The KR AUDIO VA350 is a single-ended stereo tube integrated amplifier designed to deliver 30 watts per channel with Pure Class A operation and zero negative feedback. It combines tube amplification with a solid-state preamplifier, aiming to provide detailed musical reproduction, natural tonal characteristics, dynamic energy, and controlled bass performance.

Key Features

• Pure Class A Operation: Designed for consistent, high-quality audio reproduction.
• Single-Ended Tube Design: Uses two T100 output tubes.
• Zero Feedback: Operates without negative feedback.
• Hybrid Architecture: Combines tube amplification with a solid-state preamplifier using mechanical reed relays.
• Remote Control: Supports volume adjustment and input selection.
• Natural Sound Reproduction: Designed to reveal transient details, harmonic richness, and instrument decay.

Technical Specifications

• Amplifier Type: Stereo Tube Integrated Amplifier
• Output Tubes: 2 × T100
• Output Power: 2 × 30 W RMS (THD = 3%)
• Frequency Response: 20 Hz – 20 kHz (−3 dB)
• Output Impedance: 4 / 8 ohms
• Inputs: 4 × RCA line inputs
• Input Sensitivity: 0.75 V RMS / 47 kΩ at 30 W
• Damping Factor: Approximately 2.8
• Power Consumption: 300 VA
• Power Requirements: 115 / 230 V AC, 50/60 Hz
• Dimensions (W × H × D): 53.5 × 30.5 × 41.5 cm
• Weight: Approximately 37 kg