32,086
edits
123: Difference between revisions
Jump to navigation
Jump to search
no edit summary
No edit summary |
No edit summary |
||
| Line 4: | Line 4: | ||
The 123 uses two [[CK512AX]] pentodes for amplification and is powered by | The 123 uses two [[CK512AX]] pentodes for amplification and is powered by | ||
batteries. | batteries. | ||
Although the 123 is an AC amplifier, the output is taken directly from | |||
the plate of one of the tubes, without an output coupling (DC block) | |||
capacitor. So the output signal rides on about 15 volts of DC. | |||
The intended use of the 123 is as a preamplifier for other | |||
instrumentation such as an oscilloscope, and the oscilloscope's | |||
input coupling can simply be set to "AC". | |||
[[List of manuals that are needed|Manual needed]]. | [[List of manuals that are needed|Manual needed]]. | ||