Distortion Factor Meter DM344A
Rogers, Catford (see also Rogers Birmingham)
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Rogers, Catford (see also Rogers Birmingham)
- Year
- 1973 ?
- Category
- Service- or Lab Equipment
- Radiomuseum.org ID
- 357072
UK Vintage Radio & Repair Forum (Chris Wood)
Wireless World May 1973, Page a16.
- Number of Transistors
- Semiconductors present.
- Semiconductors
- Wave bands
- - without
- Power type and voltage
- Alternating Current supply (AC)
- Loudspeaker
- - - No sound reproduction output.
- Material
- Metal case
- from Radiomuseum.org
- Model: Distortion Factor Meter DM344A - Rogers, Catford see also
- Shape
- Tablemodel, with any shape - general.
- Notes
-
Rogers DM344A Distortion Factor Meter
Key Features
- Direct-reading instrument for measuring total harmonic distortion
- Designed for high-quality audio amplifiers, recording, and transmission equipment
- Indicates RMS values of total harmonic content as a percentage
Specifications
Frequency Range
- 20 Hz - 20 kHz (fundamental)
- Six third-decade bands
Total Harmonic Distortion Range
- 100% to 0.1% Full-Scale Deflection (FSD)
- 7 switched ranges
Voltmeter Range
- 30V to 1mV Full-Scale Deflection (FSD)
- 10 ranges
Instrument Residual Distortion
- Less than 0.01% from 100 Hz to 10 kHz
Pricing
- Chassis version: £132.50
- With case: £140.00
This precision instrument offers accurate and rapid measurements for audio
- Price in first year of sale
- 140.00 GB £
- Mentioned in
- Wireless World (The), London (WW, 79) (May 1973, Page a16.)
- Author
- Model page created by Gary Cowans. See "Data change" for further contributors.
- Other Models
-
Here you find 39 models, 39 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Rogers, Catford (see also Rogers Birmingham)