Engineering Notes
Engineering Notes are useful resources to enhance or refresh knowledge, covering a broad spectrum of subjects they are available to download, as required.
- Index to Engineering Notes
- Measuring Noise Voltages
- Measuring Sensitivity of a Loudspeaker
- Matched Microphone Attenuator
- Methods of Measurement V1
- Fuses for Mains Circuits
- Methods of Measurement V2
- Insulation Resistance
- 100V Line Dummy Load
- Optimising Overall Efficiency
- Installation Instructions
- Loudspeakers, impedance and power
- 'Power' tappings on 100 V line transformers
- 'Earthing' of loudspeakers
- Fire alarm monitoring techniques
- CE-marking terms
- Rectifier filter capacitors
- Measuring Thiele-Small parameters of a loudspeaker
- Balanced circuits and differential amplifiers
- Optimum number of turns for an AFILS loop
- Supply current requirements for a PA/VA installation
- Measuring AFILS with pink noise
- Capacitors in series with loudspeakers
- New AFILS standard – how strong is your magnetic field?
- Sound System Test, Alignment, and Certification – Part 1
- Sound System Test, Alignment, and Certification – Part 2
- Sound System Test, Alignment, and Certification – Part 3
- Automatic gain control, limiting and compression
- Finding the earth fault on an induction loop
- Analogue or Digital?
- The dynamic range of a microphone
- Where did the wind blow my sound?
- Don't put a sock in it!
- Free and low-cost software
- Calculating loudspeaker line losses using LTspice and MiscEl
- Coverage angle and coverage area of a ceiling loudspeaker
- Headphone 'peakers'
- Where do I put my induction loop?
- AFILS and the 'ideal rabbit'
- What about Skin Effect?
- A method of measuring speaker load impedance without an impedance meter
