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It has front panel knobs for selecting the low-frequency and high-frequency cutoff. | It has front panel knobs for selecting the low-frequency and high-frequency cutoff. | ||
It achieves a 50,000 to 1 common mode rejection ratio. Maximum bandwidth is 60 kHz. | It achieves a 50,000 to 1 common mode rejection ratio. Maximum bandwidth is 60 kHz. | ||
It has seven tubes on a shock-mounted subchassis. | It has seven tubes, three of which are on a shock-mounted subchassis. | ||
The Type 53E/54E was [[introduced in 1955]]. | The Type 53E/54E was [[introduced in 1955]]. | ||