KR Audio VA300 Power Amplifier
Best single-ended tube amplifier for audiophiles seeking pure, warm sonic detail.
This single-ended tube amplifier prioritizes pure, unadulterated musicality over raw power. By stripping away feedback, it achieves a level of warmth and harmonic richness that solid-state gear simply cannot replicate, though you will need highly efficient speakers to truly let it sing.
$10000.00
at
HighEnd-Electronics, Inc.
Who it's for
- Audiophiles seeking natural, detailed, and warm sonic performance
- Listeners valuing unique power delivery from proprietary tube technology
- Collectors appreciating meticulous hand-built craftsmanship and boutique aesthetics
Who should skip it
- Users with limited ventilation or small, temperature-sensitive listening rooms
- Budget-conscious buyers looking for more accessible high-fidelity options
- Owners wary of long-term maintenance costs for specialized components
Performance breakdown
Sonic Purity
Zero feedback design delivers an exceptionally transparent and natural soundstage.
Build Integrity
Heavyweight construction ensures long-term stability and vibration-free performance.
Tube Warmth
Proprietary KR output tubes provide the signature lush, harmonic richness audiophiles crave.
Power Efficiency
Pure Class A operation prioritizes musicality over raw electrical efficiency.
Speaker Compatibility
Selectable impedance handles diverse speaker loads with refined, steady control.
Dynamic Range
Wide frequency response captures subtle nuances across the entire audible spectrum.
Key Specs
Type
Single-ended tube amplifier, Pure Class A, Zero feedback
Output Tubes
2x KR 842VHD or 300BXL
Output Power
2x 20W RMS (THD = 3%)
Frequency Response
20Hz - 20kHz (-3dB)
Input Sensitivity
1V RMS / 47 kOhms for 20W output
Output Impedance
4 or 8 Ohms selectable
Dimensions (w x h x d)
38.5 x 25.5 x 55 cm
Weight
Approximately 38 kg
Total Harmonic Distortion
3%
Impedance
4 Ohms, 8 Ohms
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