February 2016
Intermediate to advanced
216 pages
14h 38m
English
Content preview from Newnes Audio and Hi-Fi Engineer's Pocket Book, 3rd Edition
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225
Thiele-Small parameters
Bl
Product
of
flux
density
and
length
of
coil
in
magnetic
gap (not
total
coil
length)
Tm
c
ms
Acoustic
compliance
of
suspension
mN
1
χ 10"
6
d
Effective
piston
diameter
mm
fs
Free
air
resonance
Hz
M
ms
Total
moving
mass of
driver
gm
Qes
Electrical
Q
factor
Qms
Mechanical
Q
Qts
Total
Q of
driver
Q,c
Total
Qof
system
including
cabinet
D.c.
resistance
of
coil
Ω
s
Piston
range
sensitivity
dB
Vas
Volume
of air
having
same
acoustic
compliance
as the
suspension
Litres
(β/)
2
R
e
Motor
factor
If the total Q of a driver, Q
TS
, is not given it can be calculated
from the formula:
a=
a^
or
_L
=
J_
+
_L
"
CL+Û,
α Q„
s
a,
The total Q designate ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.