HE833 Ver 1.3 vs Western Electric 97A
The 97A's power @ 8ω is 80W against the HE833 Ver 1.3's 150W, its signal-to-noise 100 dB against 80 dB, and its input sensitivity 0.5V RMS against 1.0V RMS. Both share class (Tube).
AI-generated product photo — not official manufacturer imagery.
HE833 Ver 1.3
WAVAC Audio LabAmplifiersPower AmplifiersTube AmplifiersDiscontinued
Estimated price (community-sourced)
$104,000
Around — community and catalog average, updates slowly
About the HE833 Ver 1.3
The WAVAC HE-833 Ver 1.3 is a single-ended, directly heated triode monoblock power amplifier using an 833A transmitting triode and delivering 150 watts. Its triode-wired KT88 driver stage is coupled to the 833A through a low-impedance transformer. The amplifier provides 4- and 8-ohm speaker connections, 1 Vrms input sensitivity, 100 kΩ input impedance, and a frequency response of 20 Hz to 100 kHz. It is housed in a substantial aluminum chassis and uses custom transformers manufactured in Japan. The HE-833 Ver 1.3 is a high-power Class A tube amplifier designed and manufactured by WAVAC Audio Lab.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 150W @ 8Ω
- Amplifier Class
- tube
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 1.0V RMS
- Input Impedance
- 100000Ω
Analog Output
Analog signal output specifications
- SNR
- 80 dB
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 435 × 305 × 525 mm (W × H × D)
- Weight
- 55 kg (121 lbs)
- Available Colors
- Champagne-tinted
Key Specifications
Power: 150W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions