Pre/Power Amplifiers
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Oct 26, 2021 |
First Published: Dec 01, 1982
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Jan 15, 2012
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Jan 18, 2025 |
First Published: Dec 01, 2024
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Jul 20, 2025 |
First Published: Jul 01, 2025
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Jun 06, 2009
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Sep 14, 2025 |
First Published: Sep 01, 2025
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Mar 22, 2024 |
First Published: Mar 01, 2000
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Apr 01, 2018

At last, an output transformerless tube amplifier that needn't play second fiddle to transistors, says Ken Kessler, as he hears the GM 200


Infineon Technologies' Class D solutions have been seen before in audiophile amps, but this is the first to feature gallium nitride FETs. The 'tubes', however, are pure decoration!

Available in two guises – with an integrated or pre/power amp – Aiwa’s system 30 is emblematic of an era when miniaturisation was in vogue. How does it stack up today?






Very much hi-fi on the grand scale, this Italian-made pre/power amplifier combination is a sweet-sounding heavyweight with more than sufficient output to match its size


