Topaz KT120 vs Icon Audio Stereo 40 MKIII
The Stereo 40 MKIII's power @ 8ω is 40W against the Topaz KT120's 45W, its output impedance 4Ω against 8Ω, and its weight 25 kg (55 lbs) against 20 kg (44 lbs). Both share class (A).
AI-generated product photo — not official manufacturer imagery.
Topaz KT120
Weston AcousticsAmplifiersIntegrated AmplifiersTube AmplifiersDiscontinued
Estimated price (community-sourced)
$1,389.18
Around — community and catalog average, updates slowly
About the Topaz KT120
The Weston Acoustics Topaz KT120 is a high-quality Class A valve integrated amplifier designed and hand-built in Australia. It uses KT120 output tubes to deliver around 45 watts per channel into 8 ohms, suitable for speakers with 6-12 ohm impedance and can be customized for 4 ohm loads. The amplifier features a robust build with options for aluminum or wooden chassis, silver RCA connectors, and banana jacks. It includes a remote control for convenience. The design emphasizes excellent bass control and output, with a frequency response extending well beyond the audible range, and is known for its musicality and ability to drive moderately sensitive speakers effectively. The Topaz KT120 is priced around AUD 1995 (approximately USD 1400-1500 depending on exchange rates) and is highly regarded in audiophile communities for its sound quality and build craftsmanship. It is part of Weston Acoustics' range of valve amplifiers that focus on hand-wound transformers and quality components to achieve low distortion and wide bandwidth.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 45W @ 8Ω
- Amplifier Class
- A
- Input Impedance
- 47Ω
Analog Output
Analog signal output specifications
- Output Impedance
- 8Ω
Connectivity
Input and output connections
- Analog Inputs
- RCA
- Analog Outputs
- banana speaker jacks
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 440 × 220 × 370 mm (W × H × D)
- Weight
- 20 kg (44 lbs)
Key Specifications
Power: 45W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions