Tda7294 datasheet amplifier board TDA7294 power audio amplifier schematic Electronicaro. TDA7294 is a monolithic class AB power-based audio amplifier that comes with a DMOS output stage. TDA7294 datasheet. Color: TDA7294. Let’s get started. Jan 7, 2022 · Thermal Pad Mica Tda7294 700×253 Circuit Dynamic Power Amplifier With Tda7294 Bridge 180W Or Stereo 80W Tda7294 Pcb Tda Power Amplifier Circuit Power Amplifier Download Audio Amplifier Tda Amplifier About the TDA7293 amplifier circuit diagram with PCB The TDA7293 is a monolithic integrated circuit in a Multiwatt15 package designed for use as an audio class AB amplifier in Hi-Fi applications such as home stereo, self-powered loudspeakers, and Topclass TV. The TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Topclass TV). 0 7 Reviews ౹ 38 sold. TDA7294100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BYVERY HIGH OPERATING VOLTAGE RANGE(±40V)DMOS POWER STAGEHIGH OUTPUT POWER (UP TO 100W MU-SIC POWER)MUTING/STAND-BY FUNCTIONSNO SWITCH ON/OFF NOISE Datasheet search, datasheets, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs and other semiconductors. Sep 20, 2024 · Typical Application of TDA7294. I don't understand why lowering power supply voltages or adding a 2KΩ resistor would cause this, unless some wiring is shorted. 5 X Total power amplifier, as this power is related to the maximum input voltage characteristics curves refer to the Datasheet and thus determine the power amplifier to have given power output, and so knowing how your VA transformer should have. Limited by the max. Circuit tda7294 amplifier subwoofer active diagram increase seekic audio ic muteTda7293 tda7294 power amplifier audio diagram vs circuit schematic project ic board schematics pcb monolithic layout choose Tda7377 amplifier circuit diagram. 5. File Size: 1463. again,Today ,I would like to present a small audio amplifier circuit with TDA7294. 1 channel amplifier circuit using 7x IC's (TDA7294) out of which 5 IC's are used as single ended (90w at 4ohm each) and 2 IC's are used in bridged configuration (170w at 8 ohm) for subwoofer channel. Ready Board as picture. Music power is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of non linearity) 1 s after the application of a sinusoidal input signal of frequency 1 kHz. Using minimum of components in the integrated circuit TDa7297 ST Microelectronics. Thanks to the wide voltage range and to the high out current capability it is able to supply the highest power into both 4Ω and 8Ω loads even in TDA7294 Order code Package TDA7294V Multiwatt15V TDA7294HS Multiwatt15H 100 V, 100 W DMOS audio amplifier with mute/st-by TDA7294 Datasheet DS0013 - Rev 8 - July 2020 For further information contact your local STMicroelectronics sales office. INTRODUCTION. Audio power amplifier project based in integrate circuit tda7294 IC circuit diagram or TDA7293 amplifier. 56uF capacitor and a 22k resistor. Oct 14, 2024 · Tda7265 & tda7294 2 . TDA7294 1. TDA7294 250W bridged amplifier. As you can see in the filter simulation graph, the response is flat after 100 Hz, which results in a loss of deep bass. In this application, the value of the load must notbe lower than 8 Ohm for dissipation and currentcapability reasons. Advantage of TDA7294. File Size: 1MbKbytes. with Datasheet download links. This article mainly covers pinout, power, datasheet, FAQ, and other details about TDA7294. Welcome RFQ! TDA7294 is a monolithic class AB audio amplifier with a DMOS output stage. Tamaño del archivo: 372. 1. Tda7294 Amplifier Circuit Pcb - Wiring Diagram Oct 19, 2024 · Bridge amplifier circuit – Tda7294 is a monolithic integrated circuit with multi-watt. TDA7296 Electrical characteristics DS0179 - Rev 11 page 7/23 Jan 4, 2024 · Tda7297 amplifier stereo power circuit board amp using diagram ic audio diy schematic choose pcb car layout partsTda7297 pdf Tda7294 power amplifier circuit 120wTda7375 amplifier circuit diagram. We will start off with setting the gain of the amplifier as it’s the most important part. Tda7294 Amplifier Diagram Circuit Board Hifi. TDA7294 Datasheet by STMicroelectronics amplifiers able t o The TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Top-class TV). Are the layouts of the three PCBs the same? However, I wonder if those TDA7294 that come with the board have exact specs from STMicroElectronics. Part list to mount the dynamic TDA7294 amplifier. TDA7294 circuit diagram. (Go to st. com and search for part number tda7294. The TDA7294 IC will deliver up to 100W into a 4Ω speaker. TDA7294 3/17 MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of no n linearity) 1 sec after the application of a sinusoidal input signal of frequency 1KHz. Hence the datasheet refers: The TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self-powered loudspeakers, Top-class TV). 69 Kbytes. 94 Kbytes. 3) 22k resistor x 3. B. The TDA7294 has low noise, low distortion, good ripple rejection and can be operated from a wide View TDA7294 by STMicroelectronics datasheet for T ested with optimized application board The TDA7294 is a monolithic MOS power amplifier which can be View TDA7294 by STMicroelectronics datasheet for T ested with optimized application board The TDA7294 is a monolithic MOS power amplifier which can be TDA7294 datasheet, TDA7294 pdf, TDA7294 data sheet, datasheet, data sheet, pdf, SGS Thomson Microelectronics, 100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY Download TDA7294 Datasheet. C. TDA7294 PCB layout and pinout. 100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY TDA7294S: 287Kb / 16P: Nov 1, 2024 · The high pass filter at the amplifier input, published on page 22 of the TDA7294 datasheet, has a 0. View datasheets for TDA7294 by STMicroelectronics and other related components here. The TDA7296 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Topclass TV). So, a very high power can be drawn using this amplifier circuit. Tested with optimized application board (see Figure 4). Datasheet of the components used in circuit TDA7294 amplifier. TDA7294 2. 10 Results. That limits the absolute-max supply voltage to 100V rather than 120V, but the appropriate level is lower than that anyway unless you have a very high impedance load. This allows the use of this device as a very high power amplifier (up to 180 W as peak power with The TDA7294 is a monolithic MOS power amplifier which can be operated at 80 V supply voltage (100 V with no signal applied) while delivering output currents up to ± 10 A. Figure 4. This can let you use smaller, 100uF or smaller, local power caps (while the large power parts remain located at a separate power supply board). 1 85w*3, Peak power 100*2. 5V and +VS - 6V the final stage current generators are switched on and the amplifier is in mute mode - when Vpin5 is lower than +VS - 6V the am-plifier is play mode. The TDA7294 is a monolithic MOS power amplifier which can be operated at 80 V supply voltage (100 V with no signal applied) while delivering output currents up to ± 10 A. very high operating voltage range (±40v) dmos power stage high output power (up to 100w music power) muting/stand-by functions no switch on/off noise no boucherot cells very low distortion very low noise short circuit protection thermal shutdown MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of no n linearity) 1 sec after the application of a sinusoidal input signal of frequency 1KHz. de pieza: TDA7294. Descripción Electrónicos: 100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY. 100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY TDA7294HS: 1Mb Jun 19, 2012 · TDA7297 amplifier circuit diagram stereo board. Power Output: Renowned for its high power output and audio quality, PAM8403 Amplifier Board. Tda7294 schematic power amplifier; Printed circuit board (PCB) suggestion to mount the TDA7294 amplifier. Download. Assembly in BD. Introduction to TDA7294. Now as we have seen the complete schematic of the circuit, we can understand how the circuit works. Hi-fi audio amplifier for home stereo system. Manufacturer: STMicroelectronics. • Connect a subwoofer speaker to the output of the tda7294. Datasheet: 372Kb/16P. Figure 19: P. allowable current. TDA7294 Datasheet, ST Microelectronics TDA7294 amplifier equivalent, 100w dmos audio amplifier. The aluminum amplifier chassis with heatsink is also from eBay as are the rhodium plated RCA plugs. 1 Channel Amplifier Board using TDA7294 Audio Amplifier ICs. Items Description: Input Voltage: Duel AC 15v-20v 6Amp. TDA7294 3/17 Jan 26, 2021 · I suggest you read this post all the way through, as I’ll detail the complete introduction to TDA7294 covering datasheet, pinout, features, and applications. Output Watt: Undistorted power 2. TDA7294 3/17 Dec 3, 2021 · we have made a 5. TDA7377 Amplifier: Pinout, Datasheet, Circuit TDA7294 100V-100WDMOSAUDIOAMPLIFIERWITHMUTE/ST-BY class AB amplifier in Hi-Fi field applications (HomeStereo,selfpoweredloudspeakers,Top-classTV Mar 13, 2021 · The TDA7294 is a monolithic integrated circuit in the Multiwatt15 package, intended for use as an audio class AB amplifier in Hi-Fi field applications (Home Stereo, self-powered loudspeakers, Top class TV). 1 amplifier pcb layout and schematic Tda7294 amplifier pcb amplificador bridge stereo layout audio power circuit subwoofer xtronic 12v diy board fi hi saved hifi article Tda7294 datasheet Oct 31, 2024 · 50w hi-fi amplifier with tda7294. The TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Topclass TV). . Sep 4, 2021 · About the TDA7293 or TDA7294 amplifier circuit with UPC1237 protection. PCB suggestion for the assembly fo circuit potency audio amplifier Pcb Tda7294 Board View datasheets for TDA7294 by STMicroelectronics and other related components here. INTRO :-we have made a 5. The IC has a DMOS output stage and can deliver 100W RMS into an 8Ohm speaker at +/-38V dual supply. 730013 datasheet, 730013 pdf, 730013 data sheet, datasheet, data sheet, pdf, Comlinear Corporation, 8-Pin Monolithic Amplifier - Evaluation Board datasheet: description: stmicroelectronics: tda7294s: 287kb / 16p: 100v - 100w dmos audio amplifier with mute/st-by tda7294s: 339kb / 13p: 100v - 100w dmos audio amplifier with mute/st-by tda7294: 372kb / 16p: 100v - 100w dmos audio amplifier with mute/st-by tda7293: 425kb / 15p: 120v - 100w dmos audio amplifier with mute/st-by tda7293: 342kb May 11, 2023 · Choosing between the TDA7294 and TDA7293 audio amplifier ICs will depend on the specific requirements of your audio amplifier design. . The TDA7294 chip is a 100W chip with a DMOS ® tda7294 100v - 100w dmos audio amplifier with mute, st-by very high operating voltage range (±40v) dmos power stage high output power (up to 100w music power) muting, stand-by functions no switch on, off noise no boucherot cells very low distortion very low noise short circuit protection thermal shutdown description the tda7294 is a monolithic integrated circuit in multiwatt15 package, inten tda7294 100v - 100w dmos audio amplifier with mute/st-by . gr Tda7388 160w with 4 speaker BRIDGE APPLICATIONAnother application suggestion is the BRIDGEconfiguration, where two TDA7294 are used, asshown by the schematic diagram of figure 25. Compatible / Replacement Part no. Each channel has it's own input and TDA7294, 100W DMOS Audio Amplifier, TDA series, TDA, R-1323, 1323, Audio Amplifier, 7294 TDA7294 -100 V, 100 W DMOS audio amplifier with mute and standbyThe TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Topclass By incorporating the tda7294 into a subwoofer amplifier design, you can enhance the low-end performance of your audio system and enjoy an immersive audio experience with enhanced bass response. It can offer the most power into both 4- and 8-loads because of its wide voltage range and strong output current capacity. 22uF Capacitor - 2; Heat Sink - 1; Detailed Explanation of TDA7294 Based Amplifier Circuit. MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of n on linearity) 1 sec after the application of a sinusoidal input signal of frequency 1KHz. most commonly used in this IC in-home stereo self-powered loudspeaker and TV and thanks to the wide range of voltage and high output current capability it can supply the highest power into both 4 ohms and 8 ohms loudspeaker. Thanks to the wide voltage range and to the high out current capability it is able to supply the high est power into both 4Ω and 8Ω loads even in Nov 22, 2021 · 5. Description: 100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY. TDA7294 3/17 TDA7294 Order code Package TDA7294V Multiwatt15V TDA7294HS Multiwatt15H 100 V, 100 W DMOS audio amplifier with mute/st-by TDA7294 Datasheet DS0013 - Rev 8 - July 2020 For further information contact your local STMicroelectronics sales office. 13MB Dec 12, 2021 · Since the total power dissipation is less than that of a usual class AB amplifier, additional cost savings can be obtained while optimizing the power supply, even with a high heatsink . It is based on the TDA7294 integrated circuit (IC), a high-power, low-distortion audio amplifier IC developed by STMicroelectronics. MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of no n linearity) 1 sec after the application of a sinusoidal input signal of frequency 1KHz. The board charges the bootstrap capacitor from the OUTPUT pin rather than the BOOTLOAD pin, so this board will also work unmodified with a TDA7294. Figure 3. TDA7294 Datasheet. TDA7294 3/17 TDA7294 Datasheet : 100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY, TDA7294 PDF VIEW Download STMicroelectronics, TDA7294 1 page Datasheet PDF, Pinouts, Data Sheet, Equivalent, Schematic, Cross reference, Obsolete, Circuits Nov 22, 2021 · Hello guys, today in this tutorial we will know, how to make a high bass amplifier circuit using Tda7294 Ic. Here are some factors to consider: Power Requirements: The TDA7294 has a higher maximum output power rating of 100 watts, while the TDA7293 has a maximum output power of 80 watts. ) The datasheet. Compact printed circuit board and is ideal to be used where a compact amplifier and with adequate power to be used in various applications, such as computer amplifier necessary, games, MP3 Player, Home Theater, Sound amplifier is in Stand-by mode and the final stage generators are off - when Vpin5 is between +VS - 2. 2) Note (***): Limited by the max. 4) 10k resistor x1. Audio Power Amplifier 400w For Home Audio Circuit Tittle Tda7294. 1 TDA7294 ic x 1. Test board shows the PCB layout. TDA7294 is an integrated, monolithic, Class AB audio amplifier designed specifically for Hi-Fi applications. Jan 27, 2022 · Clad Board 50x 50mm - 1; 6Amp Diode - 4; 2200µF Capacitor - 2; 0. Works on 45-0-45 12A Transformer, Designed in Single Layer to MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of no n linearity) 1 sec after the application of a sinusoidal input signal of frequency 1KHz. Amplificador, diagrama de circuito, electronics projectsAudio amplifier circuit page 29 : audio circuits :: next. TDA7294 120-volt, 100-watt, DMOS audio amplifier with mute and standby Features Multipower BCD technology Very high operating voltage range (±50 V) DMOS power stage High output power (100 W into 8 Ω @ THD =10%, with VS = ±40 V) Muting and stand-by functions No switch on/off noise Very low distortion Very low noise 1. Page: 17 Pages. Firstly, it is used in Hi-Fi field applications for amplification of audio signals which includes self-powered loudspeakers, TV, etc. Nov 29, 2023 · TDA7297 vs. 3. With TDA7294's sensitivity to power supply differences, a regulated power source can be quite noticeable. Today here, we will design only one channel Jul 22, 2023 · Sorry to hear that you burned two amplifier boards. In figures 21,22 the performances of the systemin terms of distortion MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of no n linearity) 1 sec after the application of a sinusoidal input signal of frequency 1KHz. 6) 100uf 50volt capacitor x1. 1 TDA7294 Amplifier Board 85W*3 Three Wire Transformers Dual AC 15V-20V. If you would like to build one, find the TDA7294 datasheet. and the high power output is about 100w. Note (**): Tested with optimized Application Board (see fig. Fabricante Electrónico: STMicroelectronics. Related articles: TDA2030 Audio Amplifier Circuits; TDA2822 Stereo Audio Amplifier Circuit; TDA2030 Bridged Audio Amplifier Circuit View TDA7294 by STMicroelectronics datasheet for T ested with optimized application board The TDA7294 is a monolithic MOS power amplifier which can be Sep 18, 2021 · TDA7294 is a 100v-100w DMOS audio amplifier with MUTE/ST-BY. Oct 21, 2011 · 100W Audio Amplifier TDA7294. Circuit is same as given in the datasheet, after changing component placement the simplifier circuit diagram is shown below. Works on 45-0-45 12A Transformer, Designed in Single Layer to Part #: TDA7294. Jul 14, 2024 · TDA7294 100w amplifier PCB Board. Download (Size : 1. com No. www. allowable out current TDA7295 3/13 Nov 28, 2021 · 5. TDA7294 Jan 10, 2025 · The boards were purchased from eBay, and come with all the parts minus the TDA7294 IC which we sourced from digikey. and Components Layout of the Circuit of figure 18 (1:1 scale)diodes Z1,Z2 and resistors R7,R8 define the mini-mum drop across the power MOS transistors ofthe TDA7294. Furthermore, there is a huge range of Semiconductors, Capacitors, Resistors, and Ics in stock. 2) 1K resistor x1. 1 Channel TDA7294 Audio Amplifier Board Hi-Fi Audio IC (7x TDA7294) INTRO :-we have made a 5. Tweaking the tiny board and double sided board will lift the trace, and broke the board with the risk of the IC being explode because of the TDA7294 Digital Power Amplifier Board 100W High Power Dual 12-32V Single Channel Audio Amplifier Module for DIY Speaker. Jun 7, 2021 · The power supply must be symmetrical as shown in this article, the transformer must be equivalent to 1. TDA7294. Part #: TDA7294. datasheet: description: stmicroelectronics: tda7293: 425kb / 15p: 120v - 100w dmos audio amplifier with mute/st-by tda7294: 1mb / 17p: 100v - 100w dmos audio amplifier with mute/st-by tda7294s: 287kb / 16p: 100v - 100w dmos audio amplifier with mute/st-by tda7294s: 339kb / 13p: 100v - 100w dmos audio amplifier with mute/st-by tda7294: 372kb Part #: TDA7294. You can follow. On a single board, there's a 5. * U1 - TDA7293, TDA7294, TDA7295, TDA7296 Jul 11, 2023 · TDA7293 amplifier TDA7294 amplifier circuit diagram #Minimus. On a single bo 400 Watts True RMS Stereo Amplifier Board with inbuilt DC Rectified supply. Building High quality Subwoofer Amplifier. The TDA7294 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Top-class TV). Feb 27, 2004 · Look at the TDA7294 datasheet, there's a curve showing the minimum load vs the supply voltage This means that you can't drive low loads with high voltage rails AT FULL POWER, because it will clip before. This amplifier works on dual power supply that’s why we need a center tapped 12-0-12volts 5 Ampere transformer to get better sound quality. Car Audio Amplifier. TDA7294 Jul 22, 2023 · On the other hand, the mute and stand by features for the TDA7294 chip, since you have used the comercial board, I assume they have designed the supply for these features as the data sheet suggested. Complete stereo amplifier circuit including printed circuit board to power of 2 × 15 Watts. Tested with optimized application board. CIS table, which can be used in our TDA7294 amplifier. Order Direct Boards & hardware TDA7294 Datasheet by STMicroelectronics T ested with optimized application board (see The TDA7294 is a monolithic MOS power amplifier which can be operated at INTRO :-we have made a 5. This makes it suitable for connecting larger speakers and subwoofers. TDA7294 Datasheet(HTML) 9 Page - STMicroelectronics: zoom in zoom out 9 / 16 page. Check Details Check Details. Its 400W Stereo Amplifier Board. A suitable field of application includes HI-FI/TVsubwoofers realizations. The TDA7294 amplifier board is a functional and widely used audio amplifier. 5) 47uF 50-volt capacitor x 2. t OFF STDBY MUTE MUTE MUTE MUTE PLAY STDBY PLAY OFF STDBY 20 +VS (V)-20-VS VIN Part #: TDA7294. TDA7294 Datasheet, ST Microelectronics. This is 100watt Hi-Fi sound Ic. In this circuit due to the cost and availability the TDA7294 100w is the best solution. 2. Jan 7, 2013 · TDA7294 datasheet. Feb 2, 2023 · Suggestion of Printed circuit board (PCB) amplifier TDA7294 Download PDF data sheet of IC TDA7294, TDa7294S, TDA7294HS, TDA7294V — Updated. TDA7294 - 100 V, 100 W DMOS audio amplifier with mute and standby, TDA7294HS, TDA7294V, STMicroelectronics Download datasheet. File Size: 372. DIY Project for electronics hobbyist. Secondly, it has its own fault protection circuitry against short-circuits and provides a thermal shutdown. This allows the use of this device as a very high power amplifier (up to 180 W as peak power with the next sections, were measured. Speaker Impedance: 4-8 Ohms. TDA7294 Assembly. MUSIC POWER CONCEPT - MUSIC POWER is the maximal power which the amplifier is capable of producing across the rated load resistance (regardless of non linearity) 1 sec after the application of a sinusoidal input signal of frequency 1 kHz. L1, L2, L3 and the snubbers C9,R1 and C10, R2 stabilize the loops formed by the”bootstrap” circuits and the output stage of theTDA7294. Example 1: • Connect the tda7294 to a suitable power supply and input source. com datasheet: description: stmicroelectronics: tda7294: 1mb / 17p: 100v - 100w dmos audio amplifier with mute/st-by tda7294s: 287kb / 16p: 100v - 100w dmos audio amplifier with mute/st-by tda7294: 372kb / 16p: 100v - 100w dmos audio amplifier with mute/st-by tda7293: 425kb / 15p: 120v - 100w dmos audio amplifier with mute/st-by tda7293: 342kb TDA7294 Datasheet(HTML) 8 Page - STMicroelectronics: zoom in zoom out 8 / 16 page. TDA7294 3/17 1. Test circuit for characterizations L+ R+ R-VCC GND L+ L-R+ R-TDA7498 MUTE STBY 3V3 POWER SUPPLY Single-Ended * * * * * Input CLASS-D AMPLIFIER * * * * Single-Ended 680nF Input Load = 6 ohm For For FREQUENCY SHIFT OUTPUT INPUT * LC FILTER COMPONENTS Load L1,L2 The TDA7294 amplifier board is a functional and widely used audio amplifier. The main advantages offered by this solution are Datasheet: Description: STMicroelectronics: TDA7256: 116Kb / 10P: 30W BRIDGE CAR RADIO AMPLIFIER TDA7385: 322Kb / 12P: 4 x 30W QUAD BRIDGE CAR RADIO AMPLIFIER TDA7383: 339Kb / 12P: 4 x 30W QUAD BRIDGE CAR RADIO AMPLIFIER TDA7393: 121Kb / 9P: 2 x 32W DUAL BRIDGE CAR RADIO AMPLIFIER Unisonic Technologies: TDA7377: 311Kb / 8P: 2 x 30W DUAL/QUAD Board index » DIY Forums » Solid State / Op-Amps / Chip Amps This is a stereo amplifier that uses the TDA7294 IC. Jul 5, 2010 · A full bandwidth amplifier with TDA7294 can benefit from a regulated power supply. st. qfsbyy kxrw dednwf pjyh pqhthsz eryxtfz mnjzks hdrfysp supnd krrputc