KR AUDIO ANTARES VA300

Pure Class A Tube Amplifier

The KR AUDIO ANTARES VA300 is a high-end stereo tube amplifier featuring a single-ended design, Pure Class A operation, and zero negative feedback. Equipped with two KR 300B output tubes, it delivers 12 watts per channel and is designed to reproduce music with fine transient detail, rich harmonics, natural tonal balance, and dynamic expression.

Key Features

• Pure Class A Operation: Designed for refined and accurate musical reproduction.
• Single-Ended Tube Design: Uses two KR 300B output tubes.
• Zero Negative Feedback: Operates without negative feedback in the amplifier circuit.
• Detailed Sound Reproduction: Designed to reveal subtle transient details and harmonic textures.
• Natural Musical Presentation: Aims to deliver realistic tonal qualities and a natural sense of musical space.
• Dynamic Performance: Combines fast response, resolution, and dynamic energy.
• Selectable Speaker Impedance: Supports 4-ohm and 8-ohm speaker connections.

Technical Specifications

• Amplifier Type: Stereo Tube Amplifier
• Circuit Design: Single-Ended, Pure Class A
• Output Tubes: 2 × KR 300B
• Output Power: 2 × 12 W RMS (THD = 3%)
• Frequency Response: 20 Hz – 20 kHz (−3 dB)
• Output Impedance: 4 / 8 ohms
• Input Sensitivity: 1 V RMS / 47 kΩ at 12 W
• Feedback: Zero
• Damping Factor: Approximately 2.6
• Power Consumption: 140 VA
• Power Requirements: 115 / 230 V AC, 50/60 Hz
• Operating Temperature: 5°C – 40°C
• Dimensions (W × H × D): 38.5 × 25.5 × 55 cm
• Weight: Approximately 38 kg