Pyramid Gold Series User manual

PYRANWO
Gold ніні
MODEL:
749E
7-BAND
CONTROL
STEREO
GRAPHIC
EQUALIZER

FEATURES
+ 7-BAND GRAPHIC EQUALIZER CONTROL
+ FRONT/REAR FADER CONTROL
· CD INPUT JACK
+ POWER ON/OFF SWITCH
+ BYPASS ON/OFF SWITCH
CONTROLS:
1. FADER CONTROL 4. EQUALIZER CONTROL
2. POWER ON/OFF SWITCH 5. CD INPUT JACK
3. BYPASS CONTROL SWITCH

OPERATION
1. FADER CONTROL
A) DUAL AMPLIFIER 4-SPEAKER SYSTEM
Rotating the knob to the FRONT side brings up the level of the FRONT speakers.
Rotating to the REAR side brings up the level of the REAR speakers. At mid posi-
tion, both sets of speakers are at maximum level.
В) 2-SPEAKER SYSTEM
Тһе fader contro! knob should be turned to the end position which provides the
loudest sound for using both sets of speakers.
2. POWER ON/OFF SWITCH
Pressing the POWER switch activates the equalizer. Depressing the switch again inac-
tivates the equalizer.
3. BYPASS ON/OFF SWITCH
When the bypass switch is pushed to the "ON" position the equalizer controls are
not being employed and the amplifier operation is essentially flat. Depressing the
bypass button again to "OFF" brings the equalizer into opeation.
4. EUQALIZER CONTROL
By sliding the controls you can tailor the frequencies to booster ог cut 12dB.
The 7 frequencies are 60, 150, 400, 1K, 2.4K, 6K, 15K Hz.
5. CD INPUT JACK (3.5mm)
Connect your portable CD player to the CD input JACK on the front panel by a stereo
path cord with a stereo mini plug at both ends.
Turn on your CD player and then turn on the equalizer.

INSTALLATION:
|
|
6MM
PLAIN
WASHER
MOUNTING
STRAP
6MM SPRING WASHER
4X 10MM
MACHINE SCREW
6Х12ММ
TAPPING SCREW
I | 4ММ PLAIN WASHER( 7)
4ММ SPRING WASHER (7) |
4ХІ2ММ ТАРРІМС SCREW(2)/ | —
4X8MM MACHINE SCREW(4)
GRAPHIC EQUALIZER

ELECTRICAL CONNECTIONS:
[FOR LOW IMPEDANCE INPUT + |
O
|
|
| O CAR AUDIO
| |
|
|
|
|
(RED WIRE)
GND
(BLACK WIRE)
+12V OUTPUT POWER AMPLIFIER
(ORANGE WIRE)
. • L | a шш
зА Сі ЕЗ
сЕ а
H- те I
x S POWER BYPASS СЕ -
FRONT OUTPUT
ü жЕ,
0 15K ("AN
|| YY
ш
||
7
Q
0
L
—
w
Q
=
CD
PLAYER
REAR OUTPUT
RAER SPEAKER

SPECIFICATIONS
при IM PCO ANGE uu un ias ii ее ыы 10K Ohm
Control Frequencies ......................................... 60, 150, 400, 1K, 2.4K, 6K, 15K Hz
СОЙГОК Аавае на ылардың + 12dB boost or cut
Frequency Везропве ......................................... 20 ~ 20K Hz
Singal по МОГ SE ымыны қана наны анадан Better than 85dB (A-Wtd)
Input Sensitivity for 400mV Output ................... 400тУ
Power Requirement............................................ 11~ 16 volts negative GND
е ы а барыс Чы ieee ......25 X 178 X 96 mm (HX W X D)

CARE AND MAINTENANCE
Your Pyramid Stereo 7-Вапа
Graphic/Equalizer is an example of
Superior design and craftsmanship.
The following suggestions will help you
care for your equalizer/booster so you
can enjoy it for years.
Keep the graphic/equa-
lizer away from dust and
dirt, which can cause
premature wear of parts.
Wipe the graphic/equa-
lizer with a damp cloth
occasionally to keep it
Keep the graphic/ ЊУ looking new. Do not use
equalizer dry. If it does as harsh chemicals, clean-
get wet, wipe it dry im- ing solvents, or strong
mediately. Liquids con- detergents to clean the
tain minerals that can graphic/egualizer.
corrode electronic
Circuits.
Use and store the
graphic/equalizer only in
normal temperature en-
vironments. Tempera-
ture extremes сап
shorten the life of elec-
tronic devices and distort
or melt plastic parts.
Handle the graphic/
equalizer gently and
carefully. Dropping it can
damage the circuit
boards and can cause it
to work improperly.

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