Pyramid Car Audio PB844 ユーザーズマニュアル
19
4
4ch amp PB1644
FRONT speaker
4CH Output Mode
Bridged Dual Mono Output Mode
L
R
REAR speaker
L
R
L
R
speaker
MINIMUN
SPEAKER
IMPEDANCE
4OHMS!
SPEAKER
IMPEDANCE
4OHMS!
PB1644
speaker connections
features and specifications
2ch amp PB744
crossover mode selector
when used with normal, full range systems, set this switch to “FULL”. If
you wish the internal crossover to power a driver of specific frequency
range , use the “LOWPASS” or “HIGHPASS” settings.
you wish the internal crossover to power a driver of specific frequency
range , use the “LOWPASS” or “HIGHPASS” settings.
use this control to match the outputs of you head unit to the amplifier.
Starting with your head unit set at about the 2 o’clock position, increase
the amp level control until distortion begins to occur, and reduce slightly
from this point.
Starting with your head unit set at about the 2 o’clock position, increase
the amp level control until distortion begins to occur, and reduce slightly
from this point.
input level control
low level inputs
high pass frequency control
bass boost level control
low pass frequency control
power LED
protection LED
power fuse
power terminals
speaker connections
when the crossover selector switch is in “low pass” mode, this control
sets the upper frequency limit for audio program sent to the speakers.
sets the upper frequency limit for audio program sent to the speakers.
when the crossover selector switch is in “high pass” mode, this control
sets the upper frequency limit for audio program sent to the speakers.
sets the upper frequency limit for audio program sent to the speakers.
this control permits adjustment of the bass level up to an increase of
approximately 18 dB.
approximately 18 dB.
this amp features gold-plate RCA input jacks for high impedance input.
Use these with car stereo output which uses RCA-type connector cables.
Use these with car stereo output which uses RCA-type connector cables.
this indicator is illuminated when power is applied.
this indicator is illuminated when built-in protection circuitry is activated.
the fuse protects the amplifier and your car’s electrical system from short
circuit conditions.
circuit conditions.
use these connectors to deliver power, ground and remote turn-on control
to the amplifier.
to the amplifier.
these terminals are 14K gold plated to guarantee high conductivity and
minimum signal loss.
minimum signal loss.
output power@14.4v DC, 1KHz
RMS Power @ 4 ohms
RMS Power @ 2 ohms
RMS Power @ 2 ohms
50Watts×2
100Watts×2
frequency response
10Hz-70KHz
input sensitivity
input impedance
high level inputs
low level inputs
10K Ohms
100 Ohms
low level inputs
200 mV
power supply voltage
14.4V DC Neg.Ground (10.5-16V)
matching speaker impedance
bridged mode
stereo mode
2-4 Ohms
4-8 Ohms
maximum current draw
dimensions(W×H×L)
mm
inches
15A×2
11.7×1.92×10.0
Maximun Power Output
250Watts×2
remote bass boost
Plug in the Remote Bass Control wire in here.
292×48×251