Monday, December 5, 2016

review test perangkat sound system



POWER AMPLIFIER SOUND SYSTEM
perangkat sound system lapangan

box speaker 12 inch modifikasi

box speaker 12 inch modifikasi


POWER AMPLIFIER SOUND SYSTEM

speaker subwoofer 5000 watt !! 20 Hz

speaker subwoofer 5000 watt !! 20 Hz


POWER AMPLIFIER SOUND SYSTEM

Sunday, December 4, 2016

test perangkat audio sound system equaliser power amplifier lapangan pa...

test audio sound system equaliser power amplifier lapangan
equaliser sufwoofer amplifier audio sound system


POWER AMPLIFIER SOUND SYSTEM

Thursday, December 1, 2016

Composer audio MDXL 2600

Composer audio mdxl 2600



POWER AMPLIFIER SOUND SYSTEM

Wednesday, November 30, 2016

Test box speaker dj sound system professional

Box speaker sound system professional


POWER AMPLIFIER SOUND SYSTEM

Tuesday, November 29, 2016

Review Equaliser FBQ3012 pro !!! Test


Review Equaliser FBQ3012 pro !!! Test


!!! POWER AMPLIFIER - BUILT UP - SOUND SYSTEM !!!
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POWER AMPLIFIER SOUND SYSTEM

Rakitanpower amplifier built up bipolar 1500 !! 2000 watt


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POWER AMPLIFIER SOUND SYSTEM

menguji kekuatan bass pada speaker subwoofer

test the strength of the bass speaker 18 inch subwoofer

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POWER AMPLIFIER SOUND SYSTEM

Monday, November 28, 2016

MSR400 MSR800W POWERED SPEAKER POWERED SUBWOOFER

POWER AMPLIFIER SOUND SYSTEM
P Series  POWER AMPLIFIER

the P Series power amplifiers have been designed specifically to deliver big, clean power output that will take full advantage of the quality and power handling capabilities of Yamaha speakers. The amps are equipped with YS Processing (Yamaha Speaker Processing) to deliver a signal that is optimally matched to those speakers as well. All
models feature both XLR and 1/4-inch TRS inputs, and Neutrik Speakon, phone plug, and five-way binding post outputs to make connections quick and easy. Other features
include Yamaha's exclusive EEEngine technology which delivers high performance with exceptional efficiency, sweepable high- and low- pass filters for optimizing output to
any loudspeakers, compact and durable 2U chassis, and variable speed cooling fans.



MSR100
POWERED SPEAKER
W
ith the MSR100’s built-in three-channel line mixer and power amplifier, you can actually use it as an all-in-one PA system. The built-in mixer has independent gain controls on each of the three channels, as well as master level and master low and high EQ controls, a link out jack so you can connect to another MSR100, and a clip indicator. But the
MSR100 also makes a great 100-watt powered speaker for use with a small mixer. MSR100’s can be pole-mounted, wall-mounted, suspended, or stacked – anywhere you need them.
You can even lay them on their side for monitor service. The MSR100 is a serious contender in the sound category, too, with a top-performance 100-watt amplifier perfectly matched
to a two-way speaker system consisting of a custom 8" woofer and 1" titanium diaphragm compression driver feeding a 90˚ x 40˚ horn. A durable molded enclosure with integral
handle makes this one of the most portable, convenient speaker systems available


HS series speakers
POWERED MONITOR SPEAKER

W hen choosing reference monitors for mixing and music production, what you really need is an honest reference for your mix rather than sound that has been tweaked or colored to sound impressive at the expense of accuracy. Unlike
speakers that have exaggerated bass and treble that make a good first impression but can't be relied on for accuracy, Yamaha
HS series reference monitors have been painstakingly crafted by our studio monitor engineering team to deliver exceptionally
flat, accurate response that you can trust. The HS series speakers are true studio reference monitors in the tradition of the
legendary Yamaha NS10M. Whether you’re mixing for stereo or 5.1 surround, mixes that sound good on Yamaha HS series
reference monitors will translate accurately to the widest possible range of reproduction systems ... which is engineer-speak
that means they’ll sound good on anything. And that is the ultimate goal of any reference monitor. We should also mention
that the HS-series monitors not only sound great, they look great, too.



MSR400 MSR800W
POWERED SPEAKER POWERED SUBWOOFER

T
here are many advantages to using powered speakers – the most obvious being that you don’t have to drag separate power amplifiers around or find a convenient place to
install them. Fewer cables need connection as well. There are, also, real sonic advantages.
The performance of an amplifier/speaker system depends to a considerable degree on the
matching between the power amplifier and loudspeaker; a surprisingly complex relationship
that involves impedances, amplifier loading, reflected EMF, damping, and a variety of other
factors best left to the guys with the scientific calculators. Fortunately, these things are pretty
much standardized, so you can connect just about any speaker of the appropriate impedance
and power handling capacity to an amplifier and get decent results. But in a powered speaker
like the MSR400, or a powered subwoofer like the MSR800W, everything can be (and is)
matched to perfection for optimum performance. All you have to do is connect your line or
microphone-level source.


For a simple system, you can use just a pair of MSR400s and a small mixer (actually,
these models have microphone inputs as well as line inputs, with gain controls, so in
a pinch you can connect a microphone directly to the speaker). The MSR400 employs
bi-amplification for the best possible sound across the entire audio spectrum. But if
you want serious low end, we suggest that you pair each speaker with a MSR800W
subwoofer that features a 800 watts power amplifier driving a 15" woofer in a specially
designed bass-reflex enclosure that can deliver bass your audience will feel as well
as hear. A simple pole stand adaptor allows an MSR400 to be piggybacked on each
MSR800W for optimum positioning, phasing, and overall sound.

Club V Loudspeakers S-Series & C-Series

if  you’re tired of breaking your back for mediocre speaker performance, it’s time to look at the Yamaha Club V S-Series. Although they easily
load into and out of your compact sedan, they also deliver power
and performance that makes them ideal for up to mid-sized sound
reinforcement systems. And in the world of the touring PA, there’s virtually
no way you can cart gear around without bumping into the occasional
immovable object, so you’ll appreciate the durable carpet covering – which
also protects the interior of your vehicle from the speakers. Heavy-gauge
steel grilles and steel protectors help protect your investment, too.
In the Club V S-Series the refinements of generation V are taken to
the next level, with larger enclosures for improved low-frequency
performance, improved drivers for higher power handling, redesigned crossovers, stronger grilles, and dual Speakon® and 1/4"
connectors.



Connector cable
Microphone/Line Cables

These are the cables used to connect microphones and electronic
instruments to the mixer’s inputs, and connect the line-level signal
from the mixer’s outputs to the system’s power amplifier(s). These
types of cables are shielded to minimize noise pickup





Sunday, November 27, 2016

SPX2000 PROFESSIONAL MULTI-EFFECT PROCESSOR


SPX2000PROFESSIONAL MULTI-EFFECT PROCESSOR


The SPX2000, while inheriting the standard interface and common programs from its predecessors, brings a new sound quality with the ”REV-X” reverbalgorithm and the 24 bit/96-kHz audio DSP.

● 24-bit Liner 128-times/64-times Oversampling (@fs=44.1,48kHz/88.2,96kHz) ● PRESET BANK: 97, USER BANK: 99, CLASSIC BANK: 25 ● AC 120V, 60Hz, AC 230V, 50Hz, 25W ● 480W x 45H x 372.5D mm, 4kg


Processing) switch do, anyway? Glad you asked: it rolls off unnecessary frequencies below around 40 Hz, which helps to protect your speakers, and at the same time boosts frequencies from 60 Hz through
150 Hz by about 3 or 4 dB which, as you rocket scientists already know, is a sound-pressure-level boost of about 1.5 times. And although this won’t give you the bone-shaking bass of a subwoofer, it will make your bass and drums sound really cool. If
you’re reinforcing rock, turn it on.


PCB POWER AMPLIFIER BUILT UP

POWER AMPLIFIER SOUND SYSTEM











CONNECTING THE XP308i MIC AMPLIFIER

CONNECTING THE XP308i

There are several ways to interface the XP308i to support a variety of applications.
The XP308i feature balanced inputs and outputs, so connecting balanced and unbalanced signals is possible.









Operating Mode Class A-B-C-D powe amplifier system panel

Class A Operating Mode


One device conducts for the whole of the
 a.c. cycle.
Conduction angle = 360 °.
The Class A stage must be biased at a
current greater than the amplitude of the

signal current.










Class B Operating Mode


Two devices, each conducting for half
 of the a.c. cycle.
Conduction angle = 180 °. 








Class AB Operating Mode


Two devices, each conducting for just over
 half of the a.c. cycle.
Conduction angle > 180 ° but << 360 ° .










Class C Operating Mode



One device conducts a small portion of 
the a.c. cycle.
Conduction angle << 180 °. 










Class D Operating Mode

Each output device always either fully on or off – theoretically zero power dissipation. 
Example: The built-in speaker in a PC is driven by a Class D type “on/off’ circuit.

Output Stages and Power Amplifiers Conduction Angle


Output Stages and Power Amplifiers Conduction Angle

Output stage delivers the output signal
to the load without loss of gain due to

Low output resistance

Example – An Operational Amplifier

\











POWER AMPLIFIER
•Common-emitter amplifiers and operational amplifiers require high impedance loads.
•To drive low impedance loads, a power output stage is required.
•Designs vary in complexity, linearity and efficiency.
•Power dissipation and thermal effects must be considered.

Properties of Power Amplifier Stage 
Low voltage gain (usually unity).
High current gain. 
Low output impedance.
R High input impedance




Differences between power amplifier designs

Efficiency / Power dissipation.
Complexity / Cost.
Linearity / Distortion.
Power amplifier designs are usually classified according to their conduction angle.



Conduction Angle
The conduction angle gives the
proportion of an a.c. cycle which the output devices conduct for.

E.g.
On all the time  Þ  360 °
On half the time  Þ  180 °
etc.







possible configurations power amplifier pros and cons

possible configurations  power amplifier














pa pros & cons


•Power Amplifiers can give maximum ERP
•PA s really help on DX pileups and contests
•PA s don’t help the received signal or QRM
•Power Amplifiers are very expensive
•Power Amplifiers are dangerous (high voltage)
•Over about 800 watts you need 240 vac line
•HI Power Antenna Couplers and Dummy Loads are required

Antennas help both TX and RX signals


POWER, S units, & Dbs and attenas the bassic 100w station

POWER, S units, & Dbs

Watts S units dB

w         S 9        +12
800 w S 8.5 +9
400w S 8         +6
100w S 7       0dB ref
25w         S 6       -6
5w S5       -13
1w S4      -20





POWER AMPLIFIER SYSTEM 


ATTENAS

Cushcraft 3 element tribander (20-15-10m) 8dBi/25dB fb     $549



power amplifier rating and linear power amplifier tubes and possible problem

POWER AMPLIFIER SOUND SYSTEM

power amplifier rating

Rated Power Output – Efficiency
Class C – Class AB1
Max allowable VSWR
Modes – SSB – CW – Digital – RTTY
Plate Voltage – Collector Voltage
Static Current
Max Full Load Plate/Collector current
Tuning Required – Network/Antenna Coupler
Drive required 
Cooling required – Blower
ALC provided
Input AC power – 120v/240v















possible problem

Power Out – Splatter - Distortion

RF drive – splatter – grid damage - distortion
ALC – too much – pumping - distortion
Neutralizing – instability – parasites
Low line voltage
Cooling – RTTY – voice/CW
Filament Voltage – tube life – low emission - low output
Incorrect Loading – distortion
Incorrect Static current (bias) - distortion

skema power amplifier pro and con


SKEMA POWER AMPLIFIER SOUND SYSTEM  PRO AND CON

BASIC POWER AMPLIFIER


power amplifier type

  Vacuum Tube
  High impedance – high voltage – danger!
  Tuned network – PI – 3:1 VSWR – No Coupler
  Two versions – Grid Driven /low drive
                        Grounded Grid/high drive

Solid State
  Low impedance – high current
  Fixed tuning – 50 ohms – max VSWR  2:1
  Two versions – Bipolar Junction Transistors
                        Field Effect Transistors

VACUUM  TUBE  PA  (hv/lc)




















































Saturday, November 26, 2016

pcb power amplifier digital D41200 - 700 watt !!

pcb power amplifier digital D41200 - 700 watt !!


POWER AMPLIFIER SOUND SYSTEM

review power amplifier

kit pcb power amplifier



POWER AMPLIFIER SOUND SYSTEM

Pcb power amplifier built up sound system

power amplifier built up sound system lapangan



POWER AMPLIFIER SOUND SYSTEM

power amplifier bipolar 1500 !! 2000 watt

power amplifier built up bipolar 1500 !! 2000 watt
power amplifier sound system



POWER AMPLIFIER SOUND SYSTEM

box speaker 18 inch khusus bass !!

cara bikin box speaker box speaker 18 inch khusus bass !!



Power Amplifier Sound System

2 Channel Professional Power Amplifier, PA Audio Digital Karaoke System, Switch Tube Amplifier (FP14000)

2 Channel Professional Power Amplifier, PA Audio Digital Karaoke System, Switch Tube Amplifier (FP14000)

1. 2x2350W@8ohms Big Professional Power Amplifier
2. High Power FP14000 Audio Amplifier, PA Speaker Amplifier
3. Light Weight Switching Power Amplifier
4. Only 13kg Tube Power Amplifiers, Performance for Subwoofers
5.  PA Speakers Amps, Tube Amplifier
Specifications: 

FP14000 2CH Professional Power Amplifier, PA Speakers Amps, Tube Amplifier
ITEM FP14000
Output Power 20-20kHz, 1W with 1 khz 
8ΩStereo Power(RMS) 2350WX2
4ΩStereo Power(RMS) 4400WX2
2ΩStereo Power(RMS) 7000WX2
8ΩBridged Power(RMS) 8800W
4ΩBridged Power(RMS) 14000W
Frequency Response(+o/-0.3dB,1W/8Ω) 20 Hz - 34 kHz
THD 20 Hz - 20 kHz for 1 W <0.1%
Signal-to-Noise Ratio >112 Dba
Channel separation (Crosstalk) at 1 kHz >70 dB
Input Connectors (per channel) 3-pin XLR, electronically balanced
Output Connectors (per channel) Binding Posts 2-pole
Class TD
TourClass Protection short circuit, DC voltage, turn-on/off transient, current, inrush
Operating voltage 130-265 V / 65-135 V selectable
Voltage Gain(dB) 23, 26, 29, 32, 35, 38, 41, 44 dB selectable
Input impedance 20 Kohms
Level adjustment (per ch.) Front-panel potentiometer, 31 position detented from -inf to 0 dB
Dimensions (W×H×D) 483×88×396mm
Packing dimension 580×180×560mm
Net weight(kg) 13
Gross weight(kg) 18

Power Amplifier Sound System PA Audio 3u High Power Professional Power Amplifier

Power Amplifier Sound System
PA Audio 3u High Power Professional Power Amplifier

Basic Info

Model NO.: CA Series
Usage: AV, Live Work, Stadium, Performance, Show
Tube Type: Transistor Amplifier
Sound Channel: 2 Channel
Voltage: AC 220V
Conductive Mode: Class-H
Height: 3 Unit
OEM Order: Acceptable
Certification: Ce,CB,CCC
Transport Package: 1PC/Carton
Origin: Guangzhou, China
Type: Professional Amplifier
Used For: Professional
Function: Post Amplifier
Output Number: 2 Output
Element Number: Push-Pull Amplifier
Price: Please Contact Us to Discuss Prices.
Output at 8 Ohm: 600W, 1000W, 1200W, 1400W
MOQ: 1
Trademark: Dolsi logo or client′s logo are acceptable
Specification: 492x148x545mm
HS Code: 851840009

2 Channel 600W to 1800W Class H Professional Power Amplifier

Power Amplifier Sound System

2 Channel 600W to 1800W Class H Professional Power Amplifier




Basic Info
Model NO.: Gt6000
Used For: Professional
Function: Post Amplifier
Output Number: 2
Element Number: Push-Pull Amplifier
Price: Pls Contact Us to Discuss Prices
Height: 2 U
Trademark: Dolsi or client ′s logo
Specification: 483x88x460mm
HS Code: 851840009
Type: Professional Amplifier
Tube Type: Transistor Amplifier
Sound Channel: 2
Voltage: AC 220V
Conductive Mode: H
Power Output: 600 Watt at 8 Ohm
OEM Production: Acceptable
Transport Package: 1PC/Paper Carton
Origin: Guangzhou, China

Power Amplifier Sound System PRO Audio Multi Channel Stereo Speaker Professional Power Amplifier

Power Amplifier Sound System

PRO Audio Multi Channel Stereo Speaker Professional Power Amplifier


Basic Info
Model NO.: Fp Series
Usage: Hi-Fi, AV, KTV System, Stage, Conference, Bar, Party, Performance
Tube Type: Transistor Amplifier
Sound Channel: 3 Channel and 4 Channel
Voltage: AC 220V
Conductive Mode: AB
Channal: 3 Channal and 4 Channel
OEM Order: Acceptable
Trademark: Product with Dolsi logo or client′s logo
Specification: Height 2 U

Type: Professional Amplifier
Used For: Professional
Function: Post Amplifier
Output Number: 3 or 4
Element Number: Push-Pull Amplifier

Applications: Theatre, Multi-Funtional Hall, Conference, Outdoor
MOQ: 100 Pieces
Transport Package: 1PC/Polybag with Inner Protection Then in Carton
Origin: Guangzhou, China