121: Difference between revisions
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==Comparison of 121 and 112== | ==Comparison of 121 and 112== | ||
The 121 and 112 are both standalone amplifiers produced by Tektronix in the 1950s. | The 121 and [[112]] are both standalone amplifiers produced by Tektronix in the 1950s. | ||
A comparison shows their differences. | A comparison shows their differences. | ||