1840-A: Difference between revisions
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{{GR Product | |||
The | |model=1840-A | ||
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 | |codes=1840-9701 | ||
maximum the manual describes how this figure can be | |class=meters | ||
|summary=Output power meter | |||
|image=GR 1840-A Front.jpg | |||
|caption=General Radio 1840-A Output Power Meter | |||
|series= | |||
|introduced=1961 | |||
|discontinued=1978+ | |||
|designers= | |||
|manuals= | |||
* [[Media:GR 1840-A Output Power Meter.pdf|General Radio 1840-A Manual 1840-0100-G (1972)]] | |||
{{Catalog History}} | |||
}} | |||
The {{Title|General Radio 1840-A Output Power Meter}} was 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 maximum, the manual describes how this figure can be extended to 200 W. | |||
==Specifications== | ==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 | * '''Impedance Accuracy:''' Maximum error ±5% from 100 Hz to 10 kHz, or ±50% from 20 Hz to 30 kHz | ||
==Links== | ==Links== | ||
* [[Media:GRwiki Exp 1840-A 01_1962|Experimenter describing 1840-A]] | * [[Media:GRwiki Exp 1840-A 01_1962.pdf|Experimenter describing 1840-A]] | ||
==Photos== | ==Photos== | ||
Latest revision as of 02:55, 16 April 2024
The General Radio 1840-A Output Power Meter was introduced in Catalog R (1963). 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 maximum, the manual describes how this figure can be extended to 200 W.
Specifications
- Power: 0.1 mW to 20 W
- Impedance: 0.6 Ω to 32 kΩ in 2 ranges
- Impedance Accuracy: Maximum error ±5% from 100 Hz to 10 kHz, or ±50% from 20 Hz to 30 kHz
