Yamamoto A-011
Very little is documented about the Yamamoto A-011. A surviving product listing names it as the Yamamoto Acoustic Craft "2A3" single stereo amplifier and gives one specification: 4 watts per channel. The source doesn't explain the "2A3" in the name, so there's nothing solid to say about it here.
Two listener impressions survive. One owner reported that it sounded far more powerful than its 4-watt rating would suggest, and that it was dead quiet with no hum. That owner also had a Line Magnetic 518IA (22 watts per channel) and Quicksilver Horn Monos in the system, which gives the "more powerful" comment some reference points. A Head-Fi forum user wrote that they hoped to audition the A-011 in Israel and expected it to make a wonderful match. That is anticipation, not a verdict.
No production years, original price, dimensions, weight or detailed electrical specs have surfaced. A Romanian dealer's page for the model now returns "product not found," so that lead is dead too. What's left is a name, a wattage and a couple of short quotes.
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