CV Series Digital Ampli๎ฎers v1.0
18
Outputs
๎ท๎e spea๎er ๎๎tp๎t ๎๎๎๎e๎t๎r ๎๎r ea๎๎ ampli๎ฎer ๎๎a๎๎el
is a ๎๎pi๎๎ ๎ mm๎pit๎๎ s๎re๎๎termi๎al t๎pe
5
. ๎ท๎e pl๎g๎i๎
๎๎๎๎e๎t๎rs are s๎ita๎
le ๎๎r ๎a๎
le ๎๎res ๎p t๎ ๎.๎ mm
2
.
C๎๎๎e๎t as s๎๎๎๎ ๎
el๎๎๎
-
TO 70/100 V LINE
SPEAKER SYSTEM
+
๎ฑever ma๎e ๎๎๎๎e๎ti๎๎s t๎ t๎e ๎๎tp๎t termi๎als
๎๎ile t๎e ampli๎ฎer is p๎๎ere๎.
๎ท๎e tra๎s๎๎rmerless ๎๎tp๎t stage ๎๎ ea๎๎ ampli๎ฎer ๎๎a๎๎el
is ๎esig๎e๎ t๎ ๎eliver 100 V
rms
i๎t๎ a๎ impe๎a๎๎e ๎๎ at least
๎0 ๎๎ms๎ ๎r ๎0 V
rms
i๎t๎ a๎ impe๎a๎๎e ๎๎ at least ๎.๎ ๎๎ms.
C๎e๎๎ t๎e p๎๎er rati๎g ๎๎ t๎e l๎๎๎spea๎er t๎pe i๎ ๎se a๎๎
m๎ltipl๎ t๎is ๎ฎg๎re ๎
๎ t๎e ๎๎m๎
er ๎๎ l๎๎๎spea๎ers๎๎ t๎e t๎tal
๎๎๎๎e๎te๎ t๎ ๎
๎t๎ t๎e ๎๎๎๎๎๎m๎
ere๎ ๎๎a๎๎el gr๎๎p a๎๎ t๎e
eve๎๎๎๎m๎
ere๎ ๎๎a๎๎el gr๎๎p m๎st ๎
e less t๎a๎ ๎00 ๎บ.
๎Ass๎mes all l๎๎๎spea๎ers i๎ t๎e s๎stem are ๎๎ t๎e same t๎pe a๎๎ ๎ave t๎e
same tap setti๎g.
70 V/100 V line operation
CV Digital ampli๎ฎers ๎a๎ ๎rive eit๎er 100 V li๎e ๎r ๎0 V li๎e
l๎๎๎spea๎er ๎istri๎
๎ti๎๎ s๎stems. ๎ท๎e v๎ltage ๎๎ t๎e s๎stem
is set ๎๎ t๎e rear pa๎el 70V / 100V D๎ฌ๎ณ s๎it๎๎
7
. ๎ท๎e D๎ฌ๎ณ
s๎it๎๎ si๎e varies ๎it๎ m๎๎el๎ ๎๎te t๎at ๎๎ t๎e CV๎1๎0๎
s๎it๎๎es ๎ a๎๎ ๎ are i๎๎perative. ๎ท๎e e๎ample s๎๎๎๎ ๎
el๎๎
is ๎๎r t๎e ๎๎๎๎a๎๎el CV๎๎๎0๎ t๎e pri๎๎iple is i๎e๎ti๎al a๎r๎ss
t๎e ra๎ge.
1 2 3 4
CH
LINE VOLTAGE
(CV4250)
100 V line
operation
70 V line
operation
1 2 3 4
CH
65Hz
HIGH PASS FILTER
(CV4250)
Filter off Filter on
70V
100V
๎ท๎e v๎ltage ma๎ ๎
e set i๎๎epe๎๎e๎tl๎ ๎๎r ea๎๎ ๎๎a๎๎el. Set
t๎e s๎it๎๎ ๎ธ๎ณ ๎๎r ๎0 V li๎e ๎perati๎๎ a๎๎ D๎ฒ๎บ๎ฑ ๎๎r 100 V
li๎e ๎perati๎๎.
๎ฑ๎te t๎at t๎e D๎ฌ๎ณ s๎it๎๎ ma๎ ๎
e ๎isa๎
le๎๎ ๎๎ a per๎๎๎a๎๎el
๎
asis๎ ๎si๎g t๎e ๎e๎
๎
r๎๎ser pages.
High Pass Filters
๎ฐ๎st tra๎s๎๎rmers ๎ฎtte๎ t๎ ๎0 V๎100 V li๎e spea๎ers e๎๎i๎
it
๎๎re sat๎rati๎๎ ๎๎e๎ ๎e๎ ๎it๎ ๎ig๎๎level sig๎als at l๎๎
๎re๎๎e๎๎ies. ๎ทra๎s๎๎rmer sat๎rati๎๎ ๎reates ๎๎pleasa๎t
๎ist๎rti๎๎ a๎๎ stresses t๎e s๎stem. ๎ท๎ ๎๎๎๎tera๎t t๎is๎ a
๎๎rre๎tl๎ ๎๎๎๎ฎg๎re๎ ๎ig๎ pass ๎ฎlter is a๎ esse๎tial part ๎๎ a๎๎
li๎e ๎istri๎
๎ti๎๎ s๎stem. CV Digital ampli๎ฎers ๎ave a ๎ig๎ pass
๎ฎlter i๎ ea๎๎ ๎๎a๎๎el๎ sele๎ta๎
le via t๎e HIGH PASS FILTER
D๎ฌ๎ณ s๎it๎๎ ๎๎ t๎e rear pa๎el
6
. ๎ท๎e D๎ฌ๎ณ s๎it๎๎ si๎e varies
๎it๎ m๎๎el๎ ๎๎te t๎at ๎๎ t๎e CV๎1๎0๎ s๎it๎๎es ๎ a๎๎ ๎ are
i๎๎perative. ๎ท๎e e๎ample s๎๎๎๎ ๎
el๎๎ is ๎๎r t๎e ๎๎๎๎a๎๎el
CV๎๎๎0๎ t๎e pri๎๎iple is i๎e๎ti๎al a๎r๎ss t๎e ra๎ge.
1 2 3 4
CH
LINE VOLTAGE
(CV4250)
100 V line
operation
70 V line
operation
1 2 3 4
CH
65Hz
HIGH PASS FILTER
(CV4250)
Filter off Filter on
๎ท๎e ๎a๎t๎r๎ ๎e๎a๎lt ๎ฎlter ๎re๎๎e๎๎๎ is ๎๎ ๎ซ๎๎ ๎๎i๎๎ s๎๎๎l๎
๎
e satis๎a๎t๎r๎ ๎๎r ma๎๎ i๎stallati๎๎s๎ ๎๎๎ever t๎e ๎re๎๎e๎๎๎
๎a๎ ๎
e a๎๎๎ste๎ ๎ver t๎e ๎๎ll a๎๎i๎ ๎
a๎๎๎i๎t๎ ๎r๎m t๎e ๎e๎
๎
r๎๎ser pages. ๎ฑ๎te als๎ t๎at t๎e D๎ฌ๎ณ s๎it๎๎ ma๎ ๎
e ๎isa๎
le๎๎
๎๎ a per๎๎๎a๎๎el ๎
asis๎ ๎r๎m t๎e ๎e๎
๎
r๎๎ser pages.
Level Control
C๎๎tr๎l ๎๎ a๎๎i๎ level i๎ ea๎๎ ๎๎a๎๎el is pr๎vi๎e๎ ๎
๎ t๎e
rear pa๎el preset r๎tar๎ LEVEL ๎๎๎tr๎l
3
. ๎ฌt s๎๎๎l๎ ๎
e
appre๎iate๎ t๎at t๎is a๎๎๎sts t๎e sig๎al level ๎ee๎i๎g t๎e
ampli๎ฎer p๎๎er stage a๎๎ is t๎๎s esse๎tiall๎ a๎ ๎๎tp๎t level
๎๎๎tr๎l๎ ๎๎t a๎ i๎p๎t level ๎r se๎sitivit๎ ๎๎๎tr๎l. ๎ท๎e preset
s๎๎๎l๎ ๎
e a๎๎๎ste๎ ๎si๎g a trim t๎๎l ๎r small s๎re๎๎river.
๎ฝer๎ ๎๎tp๎t is ๎๎
tai๎e๎ ๎it๎ t๎e ๎๎๎tr๎l ๎๎ll๎ a๎ti๎๎l๎๎๎๎ise.
๎ฉ๎ll ๎๎tp๎t level is ๎it๎ t๎e ๎๎๎tr๎l ๎๎ll๎ ๎l๎๎๎๎ise๎ at t๎is
setti๎g t๎e ma๎im๎m ๎๎tp๎t v๎ltage ๎๎0 V
rms
๎r 100 V
rms
๎ ๎ill
๎
e pr๎๎๎๎e๎ ๎๎r a๎ i๎p๎t sig๎al level ๎๎ 0.๎๎๎ V
rms
๎0 ๎๎ฅ๎๎.
๎บe re๎๎mme๎๎ t๎at t๎e level ๎๎r ea๎๎ ๎๎a๎๎el s๎๎๎l๎ ๎
e
set a๎ter i๎stallati๎๎ is ๎๎mplete ๎
๎ ๎๎mme๎๎i๎g ๎it๎ t๎e
LEVEL ๎๎๎tr๎ls at mi๎im๎m. ๎ฌ๎stallers s๎๎๎l๎ e๎s๎re t๎at
a๎e๎๎ate๎ ๎
๎t ๎๎t e๎๎essive s๎๎๎๎ levels are a๎๎ieve๎ ๎it๎
t๎e pr๎gramme material t๎at ๎ill ๎
e ๎se๎ i๎ pra๎ti๎e.
๎ฑ๎te t๎at t๎e ๎e๎
๎
r๎๎ser pages ๎๎r ea๎๎ ๎๎a๎๎el i๎๎l๎๎e a๎
๎e๎a๎
le๎ s๎it๎๎ ๎๎r t๎e rear pa๎el LEVEL ๎๎๎tr๎l a๎๎ REMOTE
LEVEL p๎rt๎ t๎e ๎a๎t๎r๎ ๎e๎a๎lt setti๎g ๎๎r t๎is s๎it๎๎ e๎a๎
les
๎
๎t๎ ๎๎๎๎ti๎๎s.
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