1840-A: Difference between revisions

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|series=
|series=
|introduced=1961
|introduced=1961
|discontinued=(?)
|discontinued=1978+
|designers=
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|manuals=
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The '''General Radio 1840-A''' is an output power meter [[introduced in 1961]] Catalog Q and remained available through Catalog78.
The '''General Radio 1840-A''' is an output power meter [[introduced in 1961]] Catalog Q and remained available through Catalog78.
The 1840-A is an audio power output meter rated at 20 watts maximum at 48 different load impedances in two ranges. Although rated at 20 W  
The 1840-A is an audio power output meter rated at 20 watts maximum at 48 different load impedances in two ranges. Although rated at 20 W  
maximum the manual describes how this figure can be exteded to 200 W, see the manual below.
maximum the manual describes how this figure can be extended to 200 W, see the manual below.
It replaces Type [[583-A]] designed in 1932.   
It replaces Type [[583-A]] designed in 1932.   


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