M-205D SET Tube vs M-300B Tube
The M-300B Tube's power @ 8ω is 8W against the M-205D SET Tube's 1.5W and its weight 20.41 kg (45 lbs) against 18.14 kg (40 lbs). Both share class (Tube) and width (216 mm).
AI-generated product photo — not official manufacturer imagery.
AmplifiersTube AmplifiersPower Amplifiers
Estimated price (community-sourced)
$28,000
Around — community and catalog average, updates slowly
About the M-205D SET Tube
Austin Acoustic M-205D SET Tube is a single-ended triode (SET) monoblock tube amplifier based on the Western Electric 205D output tube. It is intended for high-efficiency horn speaker systems and uses tube rectification with a 436A driver stage.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 1.5W @ 8Ω
- Amplifier Class
- tube
Analog Output
Analog signal output specifications
- Max Output Voltage
- 1.5V RMS
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 216 × 203 × 483 mm (W × H × D)
- Weight
- 18.14 kg (40 lbs)
Never published
- Connectivity — the maker never published this. Checked 15 sources on 6 Sept 2026
Key Specifications
Power: 1.5W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions