VS
AaUARIUS
18
SURGE PROTECTION
Power surges
or
spik~
on
the mains supply
31"(>
generally \lery
bad
for any
eltttrica
t device espedatly a high quality audio replay system.
Power-
surges
occur wheti there is a :,oost to the electrical charge
at
some point in the
pOWE!r
lin
es.
This causes
an
in-crease
in
the
electric-al potential
ener"gy,
which
tan
increase the current
flowing
to
yo
ur wall outlet. This
in
tum can
da~ge
your
sensi
tive
audio systel'r.
Th
e
ls()Tek
protection
eystern
uses
an
array of
VO
Rs
which off
er
a
cas-c.iding
level
of
protection, ifl some
cases
over
100
,
000A.
T
h~
step in fast
and
sequentially
dependent upon
tM
severity
of
the encountered power surge
or
spike. The
atthitecture
of
the
prctection cil'Cuit
extends
dramatically
and
almost
ins
tantly
when !'&quired.
The
protection ci
rtui
t
has
two
primary
functions.
one
to preserve its
eU
and
the
see:ond
to step in
gradu.atly
as
any ptoblem increases, with the ability to act
very fast should an ext·eme condition
occur.
The
p.rotec-t
jon circuits atso
prote-ct
the filters
and
the
filtt
rs
assist the
prote-c:tion
in
the
in
iti
al
stage.
Unlike many
protect~on
devices
these
assist sound quality
as
\Wll
as
ptoviding protection.
Studies suggest
th
is probtem is not subtle and is frequent.
The
disturbing
ch.3Ut-nge
is the 1,000
to
6,000V
rangt-. It is likely most protection systems do
very little
good
and
probably
cause
sound
degradation.
CONTINUOUS
ABSOLUTE
POWER
lsoTek
de
livers absotvte power. unrestricted
cutrMt
detivery within what
the
powet
company
can
supply and regulations allow. Generally for
power
amplifiers or high
wait-age
electronics lso
Tek
provides
output which offers
e.xttemely low im
peda
rice
and
low
OCR.
this completely eliminates (with
in
the
concepts of power filtering) any possibility of
curttnt
restr
ic-tion
and
enhances
dynamic range. the i
mpedance
of
the chain back to the
power
station
be1n.9
far
larger.
When
power is
contaminate,d
dynamic range is
!'educed.
It is impossible to get
m:,re
than
100%
out of the mains su
pp
ly.
The
very principle
of
AC
power is
th.at
it doesn·t store
energy
in the lransmissjon system.
ll
is
therefore impossible
to
store enetgy in
an
AC
sys
tem
by
the very principles by
which
it
works. Thete
c~n
be no
s<i~calle
d powt-r reserve, thus a power
reserve
within
an
AC
circuit
in
t!-ie
truest sense
of
the word does not
and
cannot exist.
iso
le
ksystems.com
r
r 0
isoteksys.tems.com
VS
AauARIUS
CONTINUOUS
ABSOLUTE
POWER
Power
reserve
would require the voltage to inc~ase
as
ohms law insists
it
must. saying a ci
rc
uit
doesn
't sag isn't a
l'eSetve
or
power.
The
AC
waveform
goes
between
ma.xi
mum
and
min,mum points
at
50
Hz
in
10
m
s.
it
then swings
to the maximurn
nega
tive
value. At 20
mS
a full cycle is
achieved.
Therefore,
in
fact the average values
or
an
AC
waveftom is
zero.
Only
as
a power
wave
can
it
be
positive.
thi.s
is due
to
the law of squared negatives.
It
looks l
ike
a ballooned
sine
wave
wtlere the value of
4.5
deg
rees
is
0.5
n-ot
0.7071
from a trigonometric
table.
Were
this
only
a voltage
wave
it
woutd
have
a long~term
value
of
zero!
As
far as energy storage is concemed zero is the
value
of stored
eMrgy
.
Direct Current resistance
(OC
RI
will cause sag. To put
it
in other words, a
system
has
to
be
developed wtiich does not limited lhe power reserve of lhe
power station. meaning a circuit
needs
to
have
extremely low resistance whilst
maintaining sufficiently high inductance. When done cottectly
and
in perfect
ba
tance the
in
ductance is vittuaUy
zero
at 50/60
Hz
-and
the Oi
re-ct
Current
resistance I
OCR
I
is
also
VE!'fY
close
to
zero
. Therefo
re
an ideal f
ilter
circu
it
must maintain
zE>ro
Ohms
resistar•ce
OC
(or
very
dose)
and
considerable
AC
tesistance to noise
above
50/60
Hz.
Despite s,atements to the contrary, this
is
ptee:isely
where
corre-ctly
specified materials matter most. Whilst some
mighl consider' these ·e:xotk'
thE!y
represent a critical
and
important
pan
or
lhe
function
and
appropriate
to
use.
Remari<ably
lso
iek
filter designs
can
maintain
very
low
reS4stanc.e
at 50/60Hz but
have
very
high amounts of noise cancellation
above
that
frequency.
Mo
st
AC
circuits
are
reactive
..
ptoduc.e
a
reac-tjon
either from the power
drawn
or
the cirtuit itself, put simply they ate not pute resistors
and
behave
like a
capacitance,
and
l'E>Sistance
or
an
in
ductance
and
resistance. In an ideal
world the
only
allowable impediment
is
resistance
and
ideally this needs
to
be
extremely
tow.
A dilemma,
do
you
want high transient powet
or
do
you
want
heavy
filtration -amazlngty
you
can
have
both, but one must !lave
com
po
nents
of the very highesl quality, which
are
designe-d
specifically
for
purpose with
totally
cor"t'ee:t
atchitecture. This is extremely complex and has resulte,d in the
design
of
spec
ialist
pa
rt
s:
these do
not
exist oulside the wortd of specialist
power
e1t9ineetin9
and
are
unique to l
s.o
T
ek
des
igns.
3
YEAR
WARRANTY
As
part
of
our
Ot1•9oin9
commitment to the highest standards
of
customer'
service,
ls.o
Tek
offersyo.u the opportunity to
extend
the standatd 2
years
ptoduc-t
warranty to 3years.
free
of
charge.
Simply REGI
ST
ER
YO
UR P
URCHAS
E with
l>oTek.
Wedo
not
>hare
your personal
details with any third parties without yout
pe
rmission.
...,
19