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1840-A: Difference between revisions
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[[File:GR 1840-A Front|thumb|450px|right|General Radio Output Power Meter]] | |||
The '''General Radio Output Power Meter''' is a Output Power Meter, [[introduced in 1961]] Catalog Q and available to 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 | |||
maximum the manual describes how this figure can be exteded to 200 W, see the manual below. | |||
It replaces Type 583-A designed in 1932. | |||
==Specifications== | ==Specifications== | ||
* '''Power:''' 0.1 mW to 20 W. | |||
* '''Impedance:''' 0.6 Ω to 32 kΩ in 2 ranges. | |||
* '''Impedance Accuracy:''' Maximum error does exceed ± 5% from 100 to 10.000 cps or ± 50% from 20 to 30,000 Hz. | |||
==Manuals== | |||
* [[Media:GR 1840-A Output Power Meter.pdf|General Radio 1840-A Manual 1840-01OO-G (1972)]] | |||
==Links== | ==Links== | ||
* [[Media:GRwiki Exp 1840-A 01_1962|Experimenter describing 1840-A]] | |||
==Photos== | ==Photos== | ||
<gallery> | <gallery> | ||
GR 1840-A Front.jpg | |||
GR 1840-A Bottom.jpg | |||
GR 1840-A Rear B.jpg | |||
GR 1840-A Rear.jpg | |||
GR 1840-A Top.jpg | |||
</gallery> | </gallery> | ||
[[Category:Meters]] | [[Category:Meters]] | ||