1840-A: Difference between revisions

1840-A (view source)

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 |manuals=
-* [[Media:GR 1840-A Output Power Meter.pdf|General Radio 1840-A Manual 1840-01OO-G (1972)]]
+* [[Media:GR 1840-A Output Power Meter.pdf|General Radio 1840-A Manual 1840-0100-G (1972)]]
 {{Catalog History}}
 }}
-The '''General Radio 1840-A''' is an output power meter introduced in {{Catalog Q}}.  It remained available through {{Catalog 1978}}.
+The '''General Radio 1840-A''' is an output power meter introduced in {{Catalog R}}.  It remained available through {{Catalog 1978}}. It replaces Type [[583-A]] designed in 1932.
-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.
-maximum the manual describes how this figure can be extended to 200 W, see the manual below.
+Although rated at 20 W maximum, the manual describes how this figure can be extended to 200 W.
-It replaces Type [[583-A]] designed in 1932.
 ==Specifications==
-* '''Power:''' 0.1 mW to 20 W.
+* '''Power:''' 0.1 mW to 20 W
-* '''Impedance:''' 0.6 Ω to 32 kΩ in 2 ranges.
+* '''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.
+* '''Impedance Accuracy:''' Maximum error ±5% from 100 Hz to 10 kHz, or ±50% from 20 Hz to 30 kHz
 ==Links==