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<blockquote data-quote="JimJ" data-source="post: 1188109" data-attributes="member: 555251"><p>My 2A3 amp has about half that wattage //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p><p></p><p>Although the 300b's are more expensive to re-tube. New 2A3's go for around $60 a matched pair, while 300b's start out around $100 per pair. And you're looking at replacement of the power tubes every two to three years with normal usage. The signal tubes last about two years, but they're cheaper.</p><p></p><p>A problem with those particular amps is the solid-state rectified power supply...diodes = hash noise. Tube rectified would be better //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif</p></blockquote><p></p>
[QUOTE="JimJ, post: 1188109, member: 555251"] My 2A3 amp has about half that wattage [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] Although the 300b's are more expensive to re-tube. New 2A3's go for around $60 a matched pair, while 300b's start out around $100 per pair. And you're looking at replacement of the power tubes every two to three years with normal usage. The signal tubes last about two years, but they're cheaper. A problem with those particular amps is the solid-state rectified power supply...diodes = hash noise. Tube rectified would be better [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG] [/QUOTE]
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