661: Difference between revisions

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83 bytes added ,  16 October 2017
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The other supply voltages use the +300 V supply as their reference.  The +19 V and -19 V supplies use BJT-based regulators.   
The other supply voltages use the +300 V supply as their reference.  The +19 V and -19 V supplies use BJT-based regulators.   
The other regulators are tube-based.
The other regulators are tube-based.
The 661 has a 137°F/58 °C [[thermal cutoff]].  In practice, it doesn't run hot.


=== Indicator ===
=== Indicator ===

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