SWL 9.0 SE vs Rogue Audio Perseus
The Perseus's signal-to-noise is 100 dB against the SWL 9.0 SE's 110 dB, its thd 0.100% against 0.030%, its output impedance 600Ω against 800Ω, and its output voltage 2.0V RMS against 20.0V RMS.
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The ModWright SWL 9.0 SE is a tube linestage preamplifier designed by Dan Wright, featuring a pair of Philips 5687 tubes per channel, known for their musicality and clarity without typical tube distortion. It offers four line-level inputs plus a fifth input with tape/monitor loop and a home theater bypass, allowing integration with multi-channel systems. The preamplifier includes two sets of outputs, a remote control for volume and mute, and a hybrid headphone amplifier. It is praised for its broad frequency response, precise imaging, and dynamic soundstage, delivering a full-frequency tube sound without exaggerated warmth. The unit is built with high-quality components and hand-crafted in the USA, weighing approximately 28.5 lbs with dimensions of 17"W x 12"D x 4.5"H. The SWL 9.0 SE is no longer in production but remains highly regarded for its value and performance.
Amplification power output and characteristics
Analog signal output specifications
Input and output connections
Size, weight, and appearance
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The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The Perseus's signal-to-noise is 100 dB against the SWL 9.0 SE's 110 dB, its thd 0.100% against 0.030%, its output impedance 600Ω against 800Ω, and its output voltage 2.0V RMS against 20.0V RMS.
The Tempest's thd is 0.100% against the SWL 9.0 SE's 0.030%, its output voltage 23.0V RMS against 20.0V RMS, and its weight 25 kg (55 lbs) against 12.95 kg (29 lbs). Both share class (Tube).
The LS17's thd is 0.010% against the SWL 9.0 SE's 0.030%, its output impedance 700Ω against 800Ω, and its input impedance 120Ω against 30000Ω. Both share class (Tube).
The TL-2.5's signal-to-noise is 109 dB against the SWL 9.0 SE's 110 dB, its thd 0.010% against 0.030%, its output voltage 60.0V RMS against 20.0V RMS, and its output impedance 100000Ω against 800Ω.
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