2/15/2015

Guitar vocal adaptor amp

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What’s more, unpredictable feedback may cause damage to the speakers and is very unpleasant on the ear. This cheap little  easy-to-build project can help solve these technical  problems.
How many amateur music groups sing  through an amp borrowed from a guitarist or bass player? These days, music is a major hobby for the young and not-so-young. Lots of people  enjoy  making  music,  and  more  and  more dream of showing off their talents on stage. But one of the major problems often encountered is the cost of musical equipment. A guitar (or bass guitar) amplifier is designed first and foremost to reproduce the sound of the guitar or bass as faithfully as  possible.  This is where the technical problems arise not in terms of the .25” (6.3 mm)  jack, but in terms of the sound quality (the words  are barely understandable) and volume (the amp  seems to produce fewer decibels than for a guitar).  That’s  just what this circuit attempts to do. The frequency response of the amp doesn’t need to be as wide or as flat as in hi-fi (particularly at the high end), and so this sort of amplifier won’t permit faithful reproduction of the voice. If you build an adaptor to compensate for the amp’s limited frequency response by amplifying in advance the frequencies that are  then attenuated by the amp, it’s possible to  improve the quality of the vocal sound.

Guitar vocal adaptor amp
Guitar vocal adaptor amp



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Guitar Amp Circuit

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Bass guitar super bridge amplifier 200 watt.  If you want to circuits amplifiers for bass guitar, or for using in every situation such as both listen to in the house, outside the house or outdoors. this. Guitar amp tone effects placement, Information about distortion voicing, effects placement, and cranked-tube-amp tone at any volume.. Amp parts | guitar center, Enjoy the lowest prices and best selection of amp parts at guitar center. most orders are eligible for free shipping!
Guitar Amp Circuit



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100W Guitar Amplifier

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Guitar amplifiers are always an interesting challenge. The tone controls, gain and overload characteristics are very individual, and the ideal combination varies from one guitarist to the next, and from one guitar to the next. There is no amp that satisfies everyone's requirements, and this offering is not expected to be an exception. The preamp is now at Revision-A, and although the complete schematic of the new version is not shown below, the fundamental characteristics are not changed - it still has the same tone control "stack" and other controls, but now has a second opamp to reduce output impedance and improve gain characteristics.
One major difference from any "store bought" amplifier is that if you build it yourself, you can modify things to suit your own needs. The ability to experiment is the key to this circuit, which is although presented in complete form, there is every expectation that builders will make modifications to suit themselves. The amp is rated at 100W into a 4 Ohms load, as this is typical of a "combo" type amp with two 8 Ohm speakers in parallel. Alternatively, you can run the amp into a "quad" box (4 x 8 Ohm speakers in series parallel - see Figure 5 in Project 27b, the original article) and will get about 60 Watts. For the really adventurous, 2 quad boxes and the amp head will provide 100W, but will be much louder than the twin. This is a common combination for guitarists, but it does make it hard for the sound guy to bring everything else up to the same level. more info on here

100W Guitar Amplifier

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Guitar Amplifier Circuit

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This is a medium power guitar amplifier is recommended especially for portable amplifier. The amplifier is a combination between a simple integrated audio driver, LM391-80 and a stage of output power designed contratemps with bipolar transistors.
Thermistor NTC, which is in temperature contact with output power transistors, allows to separate AO LM391 power stage when it heats too much.

The start of the thermal protection is at a NTC flow current NTC of approximately 200uA. Electrolytic condenser asure a “smooth start” to remove clicks that may occur when connecting the amplifier. It can happen that the protection can be too sensitive, in that case certain adjustments are admitted in the value of R4 or thermistor.

The standby current can be adjusted with P1. This potentiometer is initially 0 and then is adjusted to achieve a current of 50mA. Current can be increased up to 400mA if you want low distortions.
The power transistors are placed on the same side of printed circuit board, so that it can be mounted on a heatsink jointly with the thermistor. The heatsink must be large enough and have the thermal resistance of maximum 10K / W.
L1 has 20 turns with 0.8mm emailed copper, coiled over R21. C9 is a ceramic capacitor.

Guitar Amplifier Circuit
Guitar Amplifier Circuit

Guitar Amplifier Circuit
Guitar Amplifier Circuit

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Guitar pre-amplifier

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A preamplifier circuit suitable for high impedance type electric guitar pickups is given here.The circuit is based on a uA 741 op-amp (IC1).The IC1 is wired as a non-inverting amplifier.The POT R1 can be used as a volume controller.The POT R6 can be used as tone controller.The switch S1 is used to produce “brilliant” or “soft” tonal effects.
  • Assemble the circuit on a good quality PCB or common board.
  • The amplifier can be powered from a 12V battery  or 12V DC power supply.
  • Up to 24 V DC can be used to power the circuit.i recommend 12 V DC.
  • The IC 1 should be mounted on an IC base 

Circuit Diagram:

Guitar pre-amplifier
Guitar pre-amplifier

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Mini Portable Guitar Ampls

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This small amplifier was intended to be used in conjunction with an electric guitar to do some low power monitoring, mainly for practice, either via an incorporated small loudspeaker or headphones.
The complete circuit, loudspeaker, batteries, input and output jacks can be encased in a small box having the dimensions of a packet of cigarettes, or it could be fitted also into a real packet of cigarettes like some ready-made units available on the market.
This design can be used in three different ways:
Mini Portable Guitar Amplifier
Mini Portable Guitar Amplifier
Max output power: 1.5W @ 9V supply - 8 Ohm load; 60mW @ 3V supply - 8 Ohm load
Frequency response: Flat from 20Hz to 20kHz
Total harmonic distortion @ 100mW output: 0.2%
Max input voltage @ 3V supply: 8mV RMS
Minimum input voltage for Fuzz-box operation: 18mV RMS @ 3V supply
Current consumption @ 400mW and 9V supply: 200mA
Current consumption @ 250mW and 9V supply: 150mA
Current consumption @ 60mW and 3V supply: 80mA
Quiescent current consumption: 6mA @ 9V, 4mA @ 3V supply
Fuzz-box current consumption: 3mA @ 3V supply

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2/14/2015

Guitar Amps

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General Description


This design adopts a well established circuit topology for the power amplifier, using a single-rail supply of about 60V and capacitor-coupling for the speaker(s). The advantages for a guitar amplifier are the very simple circuitry, even for comparatively high power outputs, and a certain built-in degree of loudspeaker protection, due to capacitor C8, preventing the voltage supply to be conveyed into loudspeakers in case of output transistors' failure.
The preamp is powered by the same 60V rails as the power amplifier, allowing to implement a two-transistors gain-block capable of delivering about 20V RMS output. This provides a very high input overload capability.

Features:

Sensitivity:
  • 35mV input for 40W 8 Ohm output
  • 42mV input for 60W 4 Ohm output
Frequency response:
  • 50Hz to 20KHz -0.5dB; -1.5dB @ 
  • 40Hz; -3.5dB @ 30Hz Total harmonic distortion @ 1KHz and 8 Ohm load:
  • Below 0.1% up to 10W; 0.2% @ 30W
Total harmonic distortion @ 10KHz and 8 Ohm load:
  • Below 0.15% up to 10W; 0.3% @ 30W
Total harmonic distortion @ 1KHz and 4 Ohm load:
  • Below 0.18% up to 10W; 0.4% @ 60W
Total harmonic distortion @ 10KHz and 4 Ohm load:
  • Below 0.3% up to 10W; 0.6% @ 60W
Treble control:
  • +9/-16dB @ 1KHz; +12/-24dB @ 10KHz
Brightness control:
  • +6.5dB @ 500Hz; +7dB @ 1KHz; +8.5dB @ 10KHz
Bass control:
  • -17.5dB @ 100Hz; -26dB @ 50Hz; -28dB @ 40Hz
Circuit Diagram:
Guitar Amps
Guitar Amps
Parts:

R1__________________6K8    1W Resistor
R2,R4_____________470R   1/4W Resistors
R3__________________2K   1/2W Trimmer Cermet
R5,R6_______________4K7  1/2W Resistors
R7________________220R   1/2W Resistor
R8__________________2K2  1/2W Resistor
R9_________________50K   1/2W Trimmer Cermet
R10________________68K   1/4W Resistor
R11,R12______________R47   4W Wirewound Resistors

C1,C2,C4,C5________47µF   63V Electrolytic Capacitors
C3________________100µF   25V Electrolytic Capacitor
C6_________________33pF   63V Ceramic Capacitor
C7_______________1000µF   50V Electrolytic Capacitor
C8_______________2200µF   63V Electrolytic Capacitor (See Notes)

D1_________________LED    Any type and color
D2________Diode bridge   200V 6A 

Q1,Q2____________BD139    80V 1.5A NPN Transistors
Q3_____________MJ11016   120V 30A NPN Darlington Transistor (See Notes)
Q4_____________MJ11015   120V 30A PNP Darlington Transistor (See Notes)

SW1_______________SPST Mains switch

F1__________________4A Fuse with socket

T1________________220V Primary, 48-50V Secondary 75 to 150VA
                  Mains transformer (See Notes)

PL1_______________Male Mains plug

SPKR______________One or more speakers wired in series or in parallel
                  Total resulting impedance: 8 or 4 Ohm
                  Minimum power handling: 75W
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Speakers

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So amplifiercircuit will try to do a definition of speakers, are one of the most common output devices used with computer systems. Speakers are transducers that convert electromagnetic waves into sound
Speakers
waves. The speakers receive audio input from a device such as a computer or an audio receiver. This input may be either in analog or digital form. Analog speakers simply amplify the analog electromagnetic waves into sound waves. Since sound waves are produced in analog form, digital speakers must first convert the digital input to an analog signal, then generate the sound waves. The sound produced by speakers is defined by frequency and amplitude. The frequency determines how high or low the pitch of the sound is. For example, a soprano singer's voice produces high frequency sound waves, while a bass guitar or kick drum generates sounds in the low frequency range. Many speakers include multiple speaker cones for different frequency ranges, which helps produce more accurate sounds for each range. Two-way speakers typically have a tweeter and a mid-range speaker, while three-way speakers have a tweeter, mid-range speaker, and subwoofer.
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Denon Subwoofers

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Denon is a Japanese electronics company that was involved in the early stages of development of digital audio technology, while specializing in the manufacture of high-fidelity professional and consumer audio equipment. 
If you try to bay this brand, i will show a top review of this Denon Subwoofers.

www.bestbuy.com >  Rating: 4.6/5
www.amazon.com >  Rating: 4.3/5
www.trustedreviews.com > Rating: 8/10
www.digitaltrends.com > Rating: 8/10

So, is a good review. It’s not perfect, but Denon’s soundbar and sub deliver a big, weighty sound, backed up by decent connections, handy features and simple operation.


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Subwoofer

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What is a subwoofer? Is a dedicated low-frequency speaker cabinet, usually self-amplified, that fills in
Subwoofer
Subwoofer
the deep, rich bass that is missing from most main speakers. Subwoofers are specialized, and don't reproduce midrange or high frequencies. Most main speakers are passive (unamplified).  Subwoofers usually handle frequencies below 150 Hz or so. 

A quality subwoofer not only reproduces the thrilling deep bass notes with authority. Its presence in the system also allows the receiver / amplifier to reproduce mid-bass and mid-range notes more cleanly. All kinds of instruments, including voices, can be heard more clearly. Why should you add at least one great subwoofer to your system? 

1. Deep bass adds the emotion, the physical feeling of presence and excitement, to a good music or movie performance! One reason that inexpensive speakers sound "just OK" is that they cannot reproduce deep bass very well. 

2. Subwoofers help solve problems in speaker set-up and placement. It's difficult to set the main speakers where they are able to provide realistic imaging, and set them in the best place for bass.  In-wall and in-ceiling speakers can be placed where they work best cosmetically, without concern for their bass reproducing ability, when the system has at least one great subwoofer. 

3. High-quality subwoofers are engineered to generate the massive cone movement required by low bass reproduction. A good subwoofer is specifically designed to generate deep bass. Whether you like jazz, classical, pop or rock, a good system can be made better with a good subwoofer.
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Car Subwoofers

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Car Subwoofers
Car Subwoofers
Bazooka BTA6100 Subwoofer Enclosure Tube
Subwoofer enclosure tube gives vehicle owners an easy way to add a subwoofer to their audio setup. Like all subwoofers, the BTA6100 provides the bass, allowing listeners to scale back the bass on the other speakers, which means they can play them louder with less distortion.



Car for subwoofer
Car for subwoofer

Universal Subwoofer Enclosure
The universal subwoofer enclosure provides the perfect box for a truck, fitting easily behind the vehicle seat. Otherwise, the box can also find use behind the back seat of a car. The Obcon Dual 12 offers a premium MDF build with a Tri-lock joint construction. It also utilizes the Labyrinth Power Port for greatly increased bass sound.








More design Car Subwoofers
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Car Subwoofer

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Car Subwoofer, for all people is a big gadget what love in your car. If you have a vehicle, the audio system is stronger bass sound that many audio enthusiasts desire. But subwoofers need more than a low-range speaker to perform well. The enclosures they sit in can play a huge part in the subwoofer's sound. help separate the sound waves generated by the rear of the diaphragm on the speaker from that produced at the front of the speaker. Otherwise, the two sounds would create distortion, echo, and reverberation, ruining the listening experience.

So in your car can put this design:

1. Design of car subwoofer with dual chamber.
This style is designed and built for deep bass performance. Offering a dual chamber and shared slot port vent design, 5/8-inch MDF construction, making for a durable speaker. Simple to setup and easy to use, the enclosure provides a sturdy box constructed of quality materials.



2. Design of car subwoofer with screwed down terminal cups

From the provider of superior performance and sound engineering in enclosures, offers a quality 12-inch hatchback enclosure. Completely carpet enclosed, the box has screwed down terminal cups and MDF construction. The enclosure also has 1-inch speaker baffles to help control vibrations and ensure that listeners only hear what the speaker puts out, making for a cleaner sound.







More design Car Subwoofers







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2/12/2015

TDA1566 Audio Amplifier 2x46W / 1x92W

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TDA1566 general description:



The TDA1566 is a car audio power amplifier with a complementary output stage realized in BCDMOS. The TDA1566 has two Bridge Tied Load (BTL) output stages and comes in a HSOP24 or DBS27P package. The TDA1566 can be controlled with or without I2C-bus. With I2C-bus control gain settings per channel and diagnostic trigger levels can be selected. Failure conditions as well as load identification can be read with I2C-bus. The load identification detects whether the outputs of a BTL channel are connected with a DC or AC load and discriminates between a speaker load, a line driver load and an open (unconnected) load. The TDA1566 can be configured in a single BTL mode and drive a 1 Ω load. For the single BTL mode it is necessary to connect on the Printed-Circuit Board (PCB) the outputs of both BTL channels in parallel.  TDA1566 Audio Amplifier 2x46W / 1x92W

TDA1566 features:


  • Operates in I2C-bus mode and non-I2C-bus mode
  • TH version: four I2C-bus addresses controlled by two pins; J version: two I2C-busaddresses controlled by one pin
  • Two 4 Ω or 2 Ω capable BTL channels or one 1 Ω capable BTL channel
  • Low offset
  • Pop free off/standby/mute/operating mode transitions
  • Speaker fault detection
  • Selectable gain (26 dB and 16 dB)
  • In I2C-bus mode:
  • DC load detection: open, short and speaker or line driver present
  • AC load (tweeter) detection
  • Programmable trigger levels for DC and AC load detection
  • Per channel programmable gain (26 dB and 16 dB, selectable per channel)
  • Selectable diagnostic levels for clip detection and thermal pre-warning
  • Selectable information on the DIAG pin for clip information of each channelseparately and independent enabling of thermal-, offset- or load fault
  • Independent short-circuit protection per channel
  • Loss of ground and open VP safe
  • All outputs short-circuit proof to VP, GND and across the load
  • All pins short-circuit proof to ground
  • Temperature controlled gain reduction at high junction temperatures
  • Fault condition diagnosis per channel: short to ground, short to supply, shorted leadand speaker fault (wrongly connected)
  • Low battery voltage detection
  • TH version: pin compatible with the TDA8566TH1

TDA1566 circuit:

TDA1566 Audio Amplifier 2x46W
TDA1566 Audio Amplifier 2x46W


TDA1566 Audio Amplifier 2x46W
TDA1566 Audio Amplifier 2x46W

TDA1566 layout:

TDA1566 Audio Amplifier 2x46W layout
TDA1566 Audio Amplifier 2x46W layout
TDA1566 Audio Amplifier 2x46W pcb
TDA1566 Audio Amplifier 2x46W pcb


TDA1566 Audio Amplifier 2x46WTDA1566 Audio Amplifier 2x46W pcb
TDA1566 Audio Amplifier 2x46WTDA1566 Audio Amplifier 2x46W pcb


TDA1566 Audio Amplifier 2x46W pcb
TDA1566 Audio Amplifier 2x46W pcb



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TDA8569Q Audio Amplifier 4 x 40W

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TDA8569Q general description:



The TDA8569Q is an integrated class-B output amplifier in a 23-lead Single-In-Line (SIL) plastic power package. It contains four amplifiers in Bridge-Tied Load (BTL) configuration, each with a gain of 26 dB. The output power is 4 × 40 W in a 2 Ω load.  TDA8569Q Audio Amplifier 4 x 40W

TDA8569Q features:

Capable of driving 2 Ω loads
Requires very few external components
High output power
Low output offset voltage
Fixed gain
Diagnostic facility (distortion, short-circuit and temperature pre-warning)
Good ripple rejection
Mode select switch (operating, mute and standby)
Load dump protection
Short-circuit safe to ground, to VP and across the load
Low power dissipation in any short-circuit condition
Thermally protected
Reverse polarity safe
Electrostatic discharge protection
No switch-on/switch-off plop
Flexible leads
Low thermal resistance
Pin compatible with the TDA8567Q.

TDA8569Q circuit diagram:

4 x 40W TDA8569Q Audio Amplifier
4 x 40W TDA8569Q Audio Amplifier 


TDA8569Q layout:

layout for 4 x 40W TDA8569Q Audio Amplifier
layout for 4 x 40W TDA8569Q Audio Amplifier 


pcb for layout for 4 x 40W TDA8569Q Audio Amplifier
pcb for layout for 4 x 40W TDA8569Q Audio Amplifier


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2/11/2015

TDA8950 Audio Amplifier 2x150W

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TDA8950 general description:
TDA8950 Audio Amplifier 2x150W



The TDA8950 is a high-efficiency Class D audio power amplifier. The typical output power is 2 × 150 W with a speaker load impedance of 4 Ω. The TDA8950 is available in both HSOP24 and DBS23P power packages. The amplifier operates over a wide supply voltage range from ±12.5 V to ±40 V and features low quiescent current consumption. TDA8950 Audio Amplifier 2x150W


TDA8950 features:



  • Pin compatible with TDA8920B for both HSOP24 and DBS23P packages
  • Symmetrical operating supply voltage range from ±12.5 V to ±40 V
  • Stereo full differential inputs, can be used as stereo Single-Ended (SE) or mono
  • Bridge-Tied Load (BTL) amplifier
  • High output power in typical applications:
  • SE 2 × 150 W, RL
  • 4 Ω (VP = ±37 V)
  • SE 2 × 170 W, RL
  • 4 Ω (VP = ±39 V)
  • SE 2 × 100 W, RL
  • 6 Ω (VP = ±37 V)
  • BTL 1 × 300 W, RL
  • 8 Ω (VP = ±37 V)
  • Low noise
  • Smooth pop noise-free start-up and switch off
  • Zero dead time switching
  • Fixed frequency
  • Internal or external clock
  • High efficiency
  • Low quiescent current
  • Advanced protection strategy: voltage protection and output current limiting
  • Thermal FoldBack (TFB)
  • Fixed gain of 30 dB in SE and 36 dB in BTL applications
  • Fully short-circuit proof across load
  • BD modulation in BTL configuration

Amplifier diagram, circuit for TDA8950:

TDA8950 circuit diagram
TDA8950 circuit diagram
Datasheet for TDA8950: Download

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TDA1514A Audio Amplifier 50W

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TDA1514A general description:



Here the very simple but powerful amplifier kit which built based on TDA1514A amplifier chip. The circuit is for single channel only, you should build two similar circuit for stereo application. A heatsink is a must to be attached on the IC TDA1514A. This circuit can be used as well as stereoamplifiers Bass in a 5.1 system. TDA1514A Audio Amplifier 50W

TDA1514A features:

  • Battery operation
  • Minimum external parts
  • Wide supply voltage range: 4V–12V or 5V–18V
  • Low quiescent current drain: 4mA
  • Voltage gains from 20 to 200
  • Ground referenced input
  • Self-centering output quiescent voltage
  • Low distortion: 0.2% (AV = 20, VS = 6V, RL = 8Ω, PO =
  • 125mW, f = 1kHz)
  • Available in 8 pin MSOP package

TDA1514A circuit:

TDA1514A Audio Amplifier 50W

TDA1514A layout:

Printed Circuit Layout and placement for mono 40 W amplifier:


TDA1514A Audio Amplifier 50W pcb

TDA1514A Audio Amplifier 50W layout 

Printed Circuit Layout and placement for sterio 2 x 40 W amplifier.

stereo pcb


stereo layout

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TDA7375 Audio Amplifier 2x35W

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TDA7375 general description:

TDA7375 Audio Amplifier 2x35W
Circuit of quadruple audio amplifier using integrated circuit TDA7235 for systems surround. Circuit of quadruple amplifier for systems surround using the ci tda7375, for potency of 7 watts for channel in the version amplifying quad or 15 watts in the dual version (stereo). could arrive to 35 watts in the version.TDA7235 is a circuit integrated amplifier quadruple audio amplifier class AB capable to work in double bridge or simple quadruple amplifiers, circuit integrated with protection system of short, it requests the minimum of external components, available in multiwat 15H (TDA7375H) and multiwat 15V (TDA7375V). Although the first conception went to automotives pplications , to give him/it in a great variety of applications of low potency. That integrated circuit is ideal in the situation in that is wanted a reasonable potency and with a Power tension relatively low for your operation. That circuit drawn below it uses the basic configuration of quadruple amplifier, but using a configuration in bridge, it can be obtained about 4 times the maximum potency. In that configuration of quadruple amplifier it can be used as amplifier end of systems surround, when 7 watts for channel are already a good potency, using the minimum of components.Operation of the circuit of the audio amplifier with tda7375 The capacitor C8 uncouples the internal tension divisor. The capacitors C5 and C6 are the filter for Power supply. The capacitors of 2200µF / 25V are the exit capacitors. Vs is the Power supply that can be a car battery or a supply of 14 volts. Power supply for the circuit It can be with a transformer 12V/30VA, a rectifier bridge and a capacitor electrolytic of 4700µF or (larger). The maximum consumption of current with loads of 4Ohms is 2.1 A. You can use loads of 2 ohms, but he/she also remembers to increase the size of the of heat-sink, because the circuit integrated in Multiwat package it will heat up a little more. Suggestion of printed circuit board side of the copperSuggested PCB for mounting the amplifier tda7375, component side Information about mounting circuit audio amplifier. When assembling the circuit remember that this quad amplifier channels features two four inverted, then it should connect the speakers in reverse polarity at such times, attention to the polarity of electrolytic capacitors that should be of good quality. Before welding the tda7375 remember to solder the jumper, which will be underneath the integrated. TDA7375 Audio Amplifier 2x35W

TDA7375 features:



  • HIGH OUTPUT POWER CAPABILITY:
– 2 x 40W max./4
– 2 x 35W/4 EIAJ
– 2 x 35W/4 EIAJ
– 2 x 25W/4 @14.4V, 1KHz, 10%
– 4 x 7W/4 @14.4V,1KHz, 10%
– 4 x 12W/2 @14.4V, 1KHz, 10%

  • MINIMUM EXTERNAL COMPONENTS 
COUNT:
– NO BOOTSTRAP CAPACITORS
– NO BOUCHEROT CELLS
– INTERNALLY FIXED GAIN (26dB BTL)

  • ST-BY FUNCTION (CMOS COMPATIBLE)
  • NO AUDIBLE POP DURING ST-BY OPERATIONS

  • DIAGNOSTICS FACILITY FOR:
– CLIPPING
– OUT TO GND SHORT
– OUT TO VS SHORT
– SOFT SHORT AT TURN-ON
– THERMAL SHUTDOWN PROXIMITY


TDA7375 circuit diagram:

Double Bridge TDA7375
Double Bridge TDA7375
Quad SterioTDA7375
Quad SterioTDA7375
SterioBridge TDA7375
SterioBridge TDA7375

TDA7375 layout:

pcb layout
pcb layout

pcb layout
pcb layout


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2/10/2015

TA8210AH Audio Amplifier 2x22W

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TA8210AH general description:

     It's amizing circuit work beautiful. Is desination for audio amplification, for car. This is a circuit of 2 x 22 watt BTL amplifier using IC TA8210AH. It is not only an auto amplifier, ideal for a low-frequency auditory approach those hi-fi, with a very good linear feature. Can be fueled by a 12 volt car battery but shi from a 12 volt charger. The chip incorporates four bridge amplifiers available in two by two in order to ensure the output 22 watts per channel on 4 ohms. TA8210AH Audio Amplifier 2x22W

TA8210AH features:
  • Peak supply voltage (0.2s): 50 V
  • supply voltage VCC (DC): 25 V
  • Operating supply voltage VCC (opr): 18 V
  • Output current (peak): 9 A
  • Power dissipation PD: 50 W
  • Operating temperature: 30~85 °C
  • Storage temperature: 55~150 °C

TA8210AH circuit diagram:

TA8210AH Audio Amplifier 2x22W
TA8210AH Audio Amplifier 2x22W


TA8210AH layout:

TA8210AH Audio Amplifier 2x22W
Layout TA8210AH Audio Amplifier 2x22W


TA8210AH Audio Amplifier 2x22W
PCB TA8210AH Audio Amplifier 2x22W



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TDA2005 Audio Amplifier 2x10w

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TDA2005 description:



The TDA2005 is a class B dual audio power amplifier in Multiwatt11 package specifically designed for car radio applications. Power booster amplifiers can be easily designed  using this device that provides a high current  capability (up to 3.5 A) and can drive very low  impedance loads (down to 1.6  in stereo  applications) obtaining an output power of more than 20 W (bridge configuration). TDA2005 Audio Amplifier 2x10w

TDA2005 features:

High output power:
Po = 10 + 10 W @ RL = 2 , THD = 10 %
Po = 20 W @ RL = 4 , THD = 10 %.
Protection against:
Output DC and AC short circuit to ground
Overrating chip temperature
Load dump voltage surge
Fortuitous open ground
Very inductive loads
Loudspeaker protection during short circuit for one wire to ground


TDA2005 circuit diagram:

TDA2005 Audio Amplifier 2x10w
TDA2005 Audio Amplifier 2x10w

TDA2005 layout:

PCB TDA2005 Audio Amplifier 2x10w
PCB TDA2005 Audio Amplifier 2x10w
Layout TDA2005 Audio Amplifier 2x10w
Layout TDA2005 Audio Amplifier 2x10w

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2/05/2015

20W+20W+20W Amplifier Circuit diagram

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Overview The STK400-030 is a 3-channel AF power amplifier IC supporting multichannel speakers. One package includes 20W×3ch for Lch, Rch and Cch. It is pin compatible with both 3-channel output devices (STK400-*00 series) and 2- channel output devices (STK401-*00 series). The output load impedance is 6/3Ω.

20W+20W+20W Amplifier Circuit diagram
20W+20W+20W Amplifier Circuit diagram

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Audio Amplifier for Car Radio TDA7374B

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Description:
The TDA7374B is a new technology class AB Audio Dual Bridge Power Amplifier in Multiwatt package designed for car radio applications. Thanks to the fully complementary PNP/NPN output configuration the high power performances of the TDA7374B are obtained without bootstrap capacitors.
Circuit diagram:
Audio Amplifier for Car Radio TDA7374B
Audio Amplifier for Car Radio TDA7374B


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