97A vs Thrax Audio Spartacus 300B
The Spartacus 300B's power @ 8ω is 50W against the 97A's 80W, its signal-to-noise 112 dB against 100 dB, and its damping factor 0.5 against 16. Both share thd (0.050%).
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Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The Western Electric 97A Monoblock Amplifiers are premium tube amplifiers featuring 80 watts RMS per channel output. Each channel uses eight WE 300B tubes, three 6SN7GTBs, and one 6SL7 tube, providing exceptional 3D-like air and separation between performers. The amplifiers offer a side-to-side and top-to-bottom coherency that transcends typical playback mechanics, creating a deeply satisfying and engaging musical experience. They feature point-to-point wiring with MIL-W-16878 PTFE stranded silver-plated copper wire, selectable single-ended RCA or balanced XLR inputs, and speaker outputs for common, 4 ohms, or 8 ohms. The units measure 435mm W x 825mm D x 275mm H and weigh 165 lbs per channel. They come with a three-year parts and labor warranty.
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The Spartacus 300B's power @ 8ω is 50W against the 97A's 80W, its signal-to-noise 112 dB against 100 dB, and its damping factor 0.5 against 16. Both share thd (0.050%).
The M3000's power @ 8ω is 120W against the 97A's 80W and its thd 0.040% against 0.050%. Both share signal-to-noise (100 dB) and damping factor (16).
The Grand's power @ 8ω is 120W against the 97A's 80W, its damping factor 18 against 16, and its thd 0.070% against 0.050%. Both share signal-to-noise (100 dB).
The SET 45 6C33 Tube Monoblocs's power @ 8ω is 45W against the 97A's 80W, its signal-to-noise 90 dB against 100 dB, its thd 0.600% against 0.050%, and its output impedance 47Ω against 4Ω.
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