Pioneer GM-D8500M Owner's Manual page 6

SectIon
_ ( Setting the Unit
)
(~----~)
• Despite correct volume and gain settings,
the unit sound still cuts out periodically. In
such cases, please contact the nearest
authorized Pioneer Service Station.
Gain control of this unit
NORMAL
Preout level: 2 -:;--
~
(Standard: 500mV)
W
6.5Y O.2Y
GAIN
Above illustration shows NORMAL gain set-
ting.
Relationship between amplifier gain
and head unit output power
Power Power,-- _
I
Normal gain
I
I
Maximum gain
I
y. -- Equal power - ----
~
Head unit volume steps Head unit volume steps
Amplifier gain
----~.~
Amplifier gain
(normal) (maximum)
If amplifier gain is raised improperly, this will
simply increase distortion, with little increase
in power.
Signal waveform when outputting at
high volume using amplifier gain
control
I
Normal gain
I
Maximum gain
I
••••• Equal power· ••
Signal
waveform
Amplifier gain •• ~ Amplifier gain
(normal) (maximum)
Signal waveform distorted with high output, if
you raise the gain of the amplifier the power
changes only slightly.
~
m
En