Index 1697condenser microphone 295
Co-Netic 283
constant-voltage 298
constant-voltage distribution
298
constant-voltage line 299
core 278
core laminations 279
core material 278, 284
coupling coefficient 276
damping 286
data sheets 303
demagnetizing 306
direct box 296
distortion 279, 283, 289
duplex 300
eddy currents 280
eddy-current losses 279
electronically-balanced inputs
302
electrostatic shield 282
excitation current 276–277,
280, 283
excitation flux 277
Faraday shield 282, 291–292
feedback factor 287
ferro-magnetic materials 278
flux 275
flux density 275, 278–279,
285
frequency response 285
gapping 279
generator impedance 285
ground noise 282
high-hysteresis materials 279
hum 296
HyMu 283
hysteresis 279, 284
hysteresis distortion 284, 306
hysteresis loop 278
IEC 60268-3 302
IM distortion 284–285
induction 275
inductive reactance 275–276,
285
inductor 275
input 289
input transformer 288
insertion loss 286, 290
installation 306
internal winding resistance 283
inter-stage coupling 293
isolation 290
law of induction 275
layering 281
leakage inductance 281
line input 291
line level shifter 303
line-level output 292
lines of force 275
load impedance 297
loudspeaker matching 300
magnet wire 282
magnetic circuits 280
magnetic coupling 288
magnetic field 275
magnetic flux 277, 294
magnetic flux density 284
magnetic hysteresis 279
magnetic operating point 279
magnetic saturation 283
magnetic shield 283, 301
magnetic shielding 283
magnetizing force 278
maintenance 306
measurements 302
microphone impedance conver-
sion 295
microphone input 290
microphone output 294
microphonic 306
moving coil phono step-up 301
moving-coil phonograph pickup
291
multi-filar winding 281
Mumetal 283
negative feedback 287
negative output resistance 287
noise figure 289
non-magnetic materials 278
output 289, 296
output transformers 286, 290
parasitics 277
Permalloy 283
permeability 278
phase distortion 285
polarity 276
power transformer 280
repeat coil 300
residual field 279resistance 280
ring core 280
saturate 278
series leakage inductance 286
signal transmission characteris-
tics 302
single-ended power amplifier
294
SMPTE 284
source impedance 285, 287
step-down 276, 298
step-down auto-transformer
281
step-up 276, 298
telephone hybrid circuit 300
telephone isolation 300
testing 302
THD 284
toroidal core 280
toroidal power transformer 283
total harmonic distortion 284
transmission characteristics 302
turns ratio 276–277, 280,
299, 302
unbalanced input 297–298
unbalanced interface 296
unbalanced output 297–298
universal winding 282
unshielded output 283
voltage ratio 276
winding resistance 280
windings 276
zero rejection 296
zero-impedance amplifier 288
ȝ 278
Audio waveform fundamentals
gain structure 1224
Audio with Video (AV) disc
optical disc formats 1149
Audio/video receivers
surround sound 1598
Audition
consoles 827
Auditoriums, congress centers
acoustics for auditoriums and
concert halls 163
Auditory area
psychoacoustics 50
Auditory filters
psychoacoustics 49