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321: Difference between revisions
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The 321 includes several germanium bipolar transistors, which are a known reliability problem. | The 321 includes several germanium bipolar transistors, which are a known reliability problem. | ||
The 321A was [[introduced in 1964]]. The 321 and 321A have slightly different circuits. | The '''321A''' was [[introduced in 1964]]. The 321 and 321A have slightly different circuits. | ||
Early instances of the 321 (sn pre-720) use a [[5718]] peanut tube as the front-end cathode follower. | Early instances of the 321 (sn pre-720) use a [[5718]] peanut tube as the front-end cathode follower. | ||