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About the Stereo 25 MkII
The Icon Audio Stereo 25 MkII is a handmade British valve integrated amplifier designed as a straightforward, low-maintenance tube amp with a high-quality headphone socket and point-to-point wiring. It is based on Icon Audio’s ST40 MkIII concept at a lower price point, and it uses an all-triode driver/front end with output valves such as EL34 or KT88 depending on configuration. The amplifier is marketed as easy to use, with semi-auto bias that requires no adjustment when replacing the same type of output tubes, while still allowing tube rolling across several compatible power tubes. It is intended for listeners wanting classic tube sound, moderate power, and strong build quality in an integrated amplifier.[1][2][3]
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