Mier PB-2807 User manual

MIER AMPLIFIER
PB-2807/PB-2813/PB-2826/PB-2836/PB-2850
USER MANUAL
LY International Electronics Co Ltd
Http://www.lyintlcorp.com/
., .

Thank you for purchasing the our Mixer Amplifiers.
Ple ase carefull y follow the instructions in this manual to ensure long,
trouble-free use of the equipment.
Accessories
AC power cord ....................................................
User manual .......................................................
Audio cable ........................................................
Warranty card .....................................................
Safety Precautions
The lightnin g flash with arrowhea d
symbol, within an equilateral triangle, is
intended to alert the user to the presence
of uninsulated "dangerous voltage" within
the product's enclosure that may be of
sufficient magnitude to consti tute a risk
of electric shock to persons.
The exclamation point within an
equilateral triangle is intended to alert
the user to the prese nce of important
operating and maintenance (servicing)
instructions in the lite rature
accompanying the ap pliance.
• Before installation or use, be sure to caref ully read all th e instructions in this sec tion
for correct and safe operation.
• Be sure to follow all the precautionary instructions in this section, which contain
important warnings and/or caution s regarding saf ety.
• After reading, keep this manual handy for future reference.
Indicates a pote ntially hazardous situation which,
if mishandled, cou ld result in moderate or minor
personal injury, and/o r pro perty damage.
CAUTION
MIXER AMPLIFIER MIXER AMPLIFIER
PAGE 8
PAG E 1
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We warrant that the hardware pro ducts it manufactures will be free from defects in
mate rials and workmanship.
The warranty term,beginning on the date of invoice,is o ne year for Parts replacement,two
years for parts repair and six months on accessorie s.
This warranty do es no t cover damage or failure cause d by alterations, mishandling, ab use,
misuse, neglect, accident or resultin g from any cause other than a product defect.
In case of defects in material and wo rkmanship under normal use and conditions,we will
rep lace or repair products covered under th is limited warranty that are returne d to our
facility.
To request warranty service, you must contact our international sales team within the
warranty period, ship the products back to us in their original or equivalent pack aging
(freight pre paid). If we repai r or replace a produ ct, its warranty term is not extended.
Informatio n contained in this manual is subject to change without prio r no tice and does not
rep resent a commitment on the part of the vendor. We shall not be liable for any loss or
damages whatsoeve r arising from the use of information or any error contained in this
manual.
It is recommended that all services and repairs on this product be carrie d out by u s or its
authorized dealer.
This product must only be used for the purpose it wa s intended by the manufacturer and in
conjunction with this opera ting manual.
We cannot accept any liability whatsoever for any loss or damages caused by
service,ma intenance or repair by unauthorized pe rsonnel,or by use other than that
intended by the manufacturer.
Limited Warranty
Disclaimer
PB-28 SERIES PB-28 SERIES

Descriptions & Features
Protection s of short circuit,overloa d,high temperature.
addi ng additional amplifiers.
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Standard 19" 2U metal housing with front panel of aluminium alloy.
Powerful amplifier tubes.
3 microphone inputs,2 AUX inputs and 1 AUX Output.
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Master volume controller for all inputs.
BASS and TREBLE tone controllers.
Features muting function that MIC1 input overrides others of
MIC2,MIC3,AUX1,AUX2 with 0~30dB attenuation.
Includes a line level output for
70/100-volt and 4 to 16 ohms(Ω) output loads
ndividual volume controller for inputs
PAGE 2
PAG E 7
The Mixer Amplifier Series features three microphone inputs and two line inputs.
60/120/240/350/500 watts of rated amplifier power is available with either
and 4 to 16 ohms ( )loads.
Also includes a line level additional power amplifiers.
The unit also features muting overrides MIC2,MIC3,
AUX1,AUX2 with 0~30dB attenuation.
complete protection is provided for output short circuit,overload,
peak current limiters.
70/100-volt
output for adding
function, that MIC1
And feature
high temperature
Ω
Installation Notes
be located in the good
ventilation place,
MIXER AMPLIFIER MIXER AMPLIFIER
Limited Warranty
PB-28 SERIES PB-28 SERIES

PAGE 6
PAG E 3
Operation Notes
MIXER AMPLIFIER MIXER AMPLIFIER
Limited Warranty
PB-28 SERIES PB-28 SERIES

Connection Illustration
PAGE 4
PAG E 5
4-16 output drives the speakers based on impedances.
70V/100V outputs drive the speakers with transformer.
Ω•
•
• Do not use both the 4-16 ,70V and 100V terminals at the same time.
• Impedances indicated in the figures represent the total speaker
system (load) impedances.
Ω
Mixer Amplifier
(6 0W /1 20 W/ 24 0W /3 50 W/ 50 0W )
Specifications
Model PB2807 PB2813 PB2826 PB2836 PB2850
Rated Power 60W 120W 240W 350W 500W
60W
120W
240W
350W
500W
MIC. Input
LINE Input
AUX Output
Freq. Response
THD
S/N
Tone
Mute Sensitivity
Controls
Cooling Fan
Indicator
FUSE×4A FUSE×4A FUSE×6A FUSE×6A FUSE×8A
Power Cord
AC Power
Consumption 95W 175W 350W 485W 675W
Dimension
Packing Size
Net Weight 10.50kg 11.50kg 13.80kg 14.50kg 15.50kg
Gross Weight 11.80kg 13.10kg 15.40kg 15.80kg 17.20kg
89(H)×483(W)×366(D) mm
185(H)×520(W)×435(D) mm
Output Terminals
Protection
DC 12V FAN
AC:‘POWER’,level:‘2、4、6、8、10’
AC FUSE,short circuit,overload,high temperature
(3×0.75 mm2)×1.5M (standard)
AC220V~240V 50-60Hz
<0.5% at 1kHz,1/3 of rated power
Line:85 dB , MIC:>72 dB
BASS:100 Hz (± 10 dB) , TREBLE:12k Hz (± 10 dB)
MIC1 overrides MIC2/MIC3/AUX1/AUX2 with 0~30 dB attenuation
Volume controls,tone/treble control,mute control,power control
Voltage line:70V(10 ohms(Ω)) 100V(20 ohms(Ω))
MIC1/MIC2/MIC3:600 ohms(Ω) 10-15 mV ,unbalanced
AUX1/AUX2:10k ohms(Ω) 200-470 mV ,unbalanced
0.775V (0 dB)
60 Hz ~ 15k Hz (± 3 dB)
Low impedance:4-16 ohms(Ω)
Voltage line:70V(70 ohms(Ω)) 100V(143 ohms(Ω))
Voltage line:70V(38 ohms(Ω)) 100V(77 ohms(Ω))
Voltage line:70V(19 ohms(Ω)) 100V(39 ohms(Ω))
Voltage line:70V(14 ohms(Ω)) 100V(28 ohms(Ω))
MIXER AMPLIFIER MIXER AMPLIFIER
Limited Warranty
PB-28 SERIES PB-28 SERIES