1840-A: Difference between revisions
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{{GR Product | {{GR Product | ||
|model=1840-A | |model=1840-A | ||
|codes=1840-9701 | |||
|class=meters | |class=meters | ||
|summary= | |summary=Output power meter | ||
|image=GR 1840-A Front.jpg | |image=GR 1840-A Front.jpg | ||
|caption=General Radio 1840-A Output Power Meter | |caption=General Radio 1840-A Output Power Meter | ||
|series= | |series= | ||
|introduced=1961 | |introduced=1961 | ||
|discontinued= | |discontinued=1978+ | ||
|designers= | |designers= | ||
|manuals= | |manuals= | ||
* [[Media:GR 1840-A Output Power Meter.pdf|General Radio 1840-A Manual 1840- | * [[Media:GR 1840-A Output Power Meter.pdf|General Radio 1840-A Manual 1840-0100-G (1972)]] | ||
{{Catalog History}} | |||
}} | }} | ||
The | 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 | 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== | ||
Latest revision as of 17:55, 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
