1840-A: Difference between revisions

From GRWiki
Jump to navigation Jump to search
No edit summary
No edit summary
Line 12: Line 12:
* [[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 1840-01OO-G (1972)]]
}}
}}
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 Catalog 1978.
 
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 extended to 200 W, see the manual below.
maximum the manual describes how this figure can be extended to 200 W, see the manual below.

Revision as of 20:12, 7 March 2024

General Radio 1840-A
output power meter
General Radio 1840-A Output Power Meter

Available from 1961 to 1978+

Manuals
(All manuals in PDF format unless noted otherwise)

The General Radio 1840-A is an output power meter introduced in 1961 Catalog Q and remained available through Catalog 1978.

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, see the manual below. It replaces Type 583-A designed in 1932.

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.

Links

Photos