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Engineering notes

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The following Engineering Notes files are available to all.

From time to time, new ones are available to members only; click here

E-note no.

Title

Issue

Issue date

0

Index to Engineering Notes

10

2011-01-07

1

Measuring noise voltages in different ways

2

2005-09-13

2

Measuring the wide-band sensitivity of a loudspeaker

2

2005-09-13

3

Matched microphone attenuator

2

2005-09-13

4

Methods of measurement for loudspeaker line transformers

4

2007-09-16

5

Fuses for mains primary circuits

5

2007-09-16

6

Methods of measurement for autotransformer loudspeaker line volume controls

3

2005-09-13

7

Insulation resistance

4

2007-09-16

8

'100 V line' dummy load

4

2007-09-16

9

Optimising the overall efficiency of a system

3

2005-09-13

10

Installation instructions

3

2005-09-13

11

Loudspeakers, impedance and power

3

2005-09-13

12

'Power' tappings on 100 V line transformers

3

2005-09-13

13

'Earthing' of loudspeakers

2

2005-09-13

14

Fire alarm monitoring techniques

1

2004-07-07

15

CE marking terms

2

2004-07-25

16

Rectifier filter capacitors

2

2007-05-13

17

Measuring Thiele-Small parameters

1

2004-07-09

18

Balanced circuits and differential amplifiers

1

2004-12-17

19

Optimum number of turns for an AFILS loop

2

2004-12-18

20

Supply current requirements for a PA/VA installation

1

2005-12-10

21

Measuring AFILS with pink noise

2

2005-12-20

22

Capacitors in series with loudspeakers

2

2006-03-23

23

New AFILS standard - how is YOUR magnetic field?

1

2007-09-16

24

Sound system test, alignment and certification - Part 1

1

2009-04-24

25

Sound system test, alignment and certification - Part 2

1

2009-04-24

26

Sound system test, alignment and certification - Part 3

1

2009-04-24

27

Automatic gain control, limiting and compression

1

2009-04-24
28 Finding the earth fault on an induction loop 1 2010-01-22
29 Analogue or Digital? 1 2010-01-22
30 The dynamic range of a microphone 1 2010-01-22
31 Where did the wind blow my sound? 1 2010-01-22
32 Don't put a sock in it! 1 2011-01-07