Chapter
2.1 Mains
2.1.1 Ma
Plea
con
Nev
2.1.2 Pow
Firs
hea
ope
“run
tub
2.1.3 P
Tub
ope
bul
bef
not
cau
the
hits
r Two: Us
s Connec
ains/Conn
ase make s
nnecting to
ver start D-
wer up, W
st turn the P
ating proces
eration. You
n” (also fac
e stress an
Power Tub
bes are elec
erating tem
b. These fil
ore these A
t heated eve
uses undue
refore alwa
s with full fo
sing You
ctions, Pow
ection to
sure that bo
the Mains c
-Moll withou
Warm up,
Power switc
ss. After ab
ur D-Moll is
cing up). Pr
d subseque
be Cautio
ctronic com
peratures.
aments hea
Anodes have
enly yet; th
stress on t
ays give the
orce.
ur D-Moll
wer and S
Power Ou
oth switches
circuit. Veri
ut speakers
Standby
ch to on (fa
bout 40 seco
now ready
remature ac
ent reductio
n
ponents th
Each tube
at up the A
e reached t
he “operatin
he tubes an
e amp it’s m
Standby
utlet
s (Power an
fy line volta
s being conn
off
acing up). T
onds, the tu
y for operat
ctivation of
on of the po
at only func
has one or
node of the
their operat
ng tempera
nd their rela
much neede
nd Standby
age before
nected to th
The indicato
ubes have s
ion and the
the standb
ower tube’s
ction with v
more heati
e tube. If yo
ting temper
ature” of the
ated compo
ed warm-up
y) are in the
connecting
he proper t
or will light
sufficiently
e standby sw
by switch w
s life span.
vacuum inta
ing filamen
ou switch th
rature then
e tube is no
onents insid
p time, even
e off positio
g the power
terminals. (
up. This sta
heated for
witch can b
ill lead to u
act and und
ts, much lik
he standby
the Anode
ot reached y
de the amp
n if musical
on before
r cord.
(See 3.2.8)
arts the tub
normal
be turned to
unnecessary
der very hig
ke a light
switch
e surfaces a
yet. This
. One shou
l inspiration
be
o
y
gh
re
ld
n
