100 Watts Hi-Fi Audiophile grade Class AB

PCBA from $0（Free Setup,Free Stencil), Register To Get Coupons Here: jlcpcb.com/IYB
Presenting A very high Quality Audiophile grade Class AB amplifier. This is an simple but exceptionally good circuit and can be compared with may high end amplifiers. The circuit is based on LTP input stage, Bootstrapped VAS and CFP (Complimentary Feedback Pair) Out put stage. It has excellent sonic characters and sound as well. All components are marked in Circuit and pcb as well. Only Compactible transistor list is as given below . You can use may more as per availability . See the video for construction detail. I will upload share the gerber files here in few days.
Download Gerber files from here :
drive.google.c...
Amplifier Specifications:
Output power : 100 Watt @ 8 Ohms with Plus Minus 42 Volt DC power Supply.
100 Watt @8 Ohms with Plus minus 35 Volt DC power Supply.
(Do not use 4 ohm load on 42 volt supply)
THD: 0.04% at full power
Frequency Response : 15Hz to 30 Khz
Input Sensitivity for full power : 1.20 Volt
Use Transformer 25.0.25 (3 AMP) or 30.0.30 (2.5AMP) for one channel of amplifier. Double the Ampere for dual channel.
Input Transistors BC546 or MPSA42
Driver Transistors
PNP- BD140,TIP42,MJE350,2SA1837, MJE15033
NPN- BD139, TIP41,MJE340, 2SC4793, MJE15032
Output Transistors:
PNP: TTA1943, TIP36C,TIP2955, NJW0302, MJL21193
NPN: TTC5200, TIOP35C, TIP3055, NJW0281, MJL21194
buy from here:
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[@AmplifierWorld]

मैंने कई तरह के स्कीमैटिक ड्राइंग को लेकर पीसीबी डिज़ाइन करके एम्पलीफायर बोर्ड बनाये है और वो मार्किट में सुपरहिट चल भी रहे है, क्योकि मार्केट में लोगो को हाई बास एंड ट्रेबल ही चाहिए होता है। लेकिन मेरे कुछ म्यूजिशियन दोस्त है उनकी कसौटी पर मेरे द्वारा बनाया बोर्ड और मार्किट में मिलनेवाला बोर्ड भी खरा नही उतरा। उनका कहना है कि एम्पलीफायर ऐसा होना चाहिए जो कि हमारे द्वारा बजाई गई ट्यून को बिल्कुल उसी तरह से रिप्रोडूस करे जैसा हमने ट्यून बनाई है। जैसे कि स्टूडियो मॉनीटर्स में साउंड रिप्रोडूस होता है। और कितने भी वाट का एम्पलीफायर क्यो ना हो उसमे ईयरफ़ोन का ऑप्शन होना चाहिए। क्योंकि ईयरफ़ोन पर साउंड क्वालिटी, हमिंग, नॉइज़, तुरंत समझ आती है। अब मुझे लगता है कि आपका बोर्ड उन लोगो की अपेक्षाओं पर खरा उतर सकता है।

[@pratikpurandare]

बहोतसे amplifier same tune मै ऑडियो reproduce करसकते है | अच्छे स्पीकर इस्तेमाल करके देखो |

[@KSreeler]

Sir 'bise' voltage kitna hona chaiye best sound ke liye

[@ghgftjvhugxxvhgfcv]

Sir ( Sailender yadav )aap k duara banaye gaye circuits bahut badiya hotae hain. Rahi baat audio quality ki, agar us k sath achi quality ki bass treble lagai Jaye toh audio quality b bahut badiya niklti hai

[@qaisarali97]

Aapne ekdam sahi likha hai

[@mbmehboobbasha]

Aapka disign bahot accha laga mughe mai aapke sab videos dekta hu from Bombay Basha

[@MusicalAmit]

Pehla indian sakhs aisa dekha hai jisko itni deep level pe knowledge hai sound system ke baare me Kash kabhi apse mil pata aur kuchh doubt aur questions k answer le pata

[@WhatIThink]

Thanks

[@shahraj1918]

मैंने बहुत सारे अंग्रेजी audio experts की वीडियो देखी है परंतु हिंदी में उस दर्जे का video मैंने शायद पहली बार देखा है । कमाल का video था आपका, सारी जानकारी तो नहीं कह सकता परन्तू amplifier के लिए जो न्यूनतम जानकारी होनी चाहिए वह इस वीडियो के माध्यम से प्राप्त हो गया । मैंने आपकी दूसरी videos भी देखी है, आपकी videos थोड़ी लंबी होती है लेकिन उन्हें बहुत ज्यादा content होता है, जिसे चाह कर भी skip नहीं कर सकते । ऐसे और भी videos लाते रहीए । धन्यवाद ‌श्रीमान ।

[@rajeshpodhanandh2348]

Not everyone shares all knowledge. But you share all you knowledge to your viewers. Addicted to your videos and following your circuit to make make amplifiers. Thank you 🙏. Bring us more on budget amplifier boards and videos on 5.1 prologic and amplifier.

[@akhileshyadav5132]

सच कहा आपने की इसको बनाना आसान नहीं है लेकिन आपके #समझाने का तरीका इतना आसान है कि बनाने का मन कर रहा है🤔 आवाज भी अच्छा लग रहा है।

[@parthasarathimanna8790]

The best thing, I have liked that it's fully compact, well designed and high-end finishing! There are many circuits available in market, but What makes this different from local circuits is it's designing, specially in the part of thermally coupled driver Transistor! and proper biasing. Really local manufacturers don't consider this often, which need to be considered! Besides, the pcb quality is really fantastic as expected from jlc pcb. The output sound quality is very sweet, soothing and crisp. Every ends of tune are responsing clearly. This makes your circuit different from others! Best wishes for upcoming designs! ♥️

[@tarunmukherjee9831]

Maine aaj tak itna saaf awaj aur clear bit kisi bhi amplifier me nahi suna he main lagbhag Twenty20 years se audio amplifier assemble kar raha hoon. Dexa amplifier ke baad aaj is board me sunne ko mila.super quality ki aawaz hai is board me. My name is TARUN Mukherjee. Thanks. Sir ji.

[@ravishankersingh1364]

आप के समझाने का तरीका बहुत ही यूनिक है। आप के vedio देखने के बाद से ऑडियो में दिलचस्पी कुछ और गहरी हो गई। आप ने जितना मर्गदर्शन किया इसके लिए बहु बहुत धन्यवाद।

[@pratikpurandare]

आपके समझनेके तरीकेसे आपका ज्ञानभी अच्छा है ये समझ आता है | मै 8 इंच 80 watt स्पीकर design कर रहा हूँ | जिसका frequency रेंज 50-55 Hz से शुरू होगा | और उसमे demodulation रिंग है | जोकि high end स्पीकर मै यूज़ होते है | उसके साथ ये amplifier board में इस्तिमाल करके देखना चाहूँगा |

[@vinayaksagar3112]

sir aap ka circuit bhut acha hi es me input limiter circuit lagaya hota to maja ata aap ke hr ak vidio me bhut dhyn se dekhta hu aap ne kaphi kuch sikaya hi app ko coti coti prnam dhnyoad आप के vedio देखने के बाद से ऑडियो में दिलचस्पी कुछ और गहरी हो गई।

[@joshuaemmanuel1466]

Baki sab practical bataty h ap vahid insan hh pury KZbin py Jo etna detail ke sath ek ek cheez samjaty h♥️✨

[@shantanuaditya2528]

Sir aap itni easy way me samjhate ho Ki koi bachha bhi samjh jaye Or is tarah ki top class knoledge

[@prasenjitmandal2391]

Haven't seen a video with such crystal clear technical (and accurate) discription. Very few amp modules are available with carefully designed audio path and consideration for noise and distortion. Very professionally presented!!!

[@nikhilsuryawanshi6301]

VASP electronics provide those type of boards with low price range 200 watt hifi mono is well built board ... Few changes in components it will definitely entry level audiophile

[@souvicknaskar4538]

Consideration & Problems. Consideration- 1. Stability components are good enough. 2. DC offset voltage is excellent by the help of differential amplifier pair matching. 3. Bias stability is well balanced for the thermal tracking of the bias transistor. Problems- 1. Collector out is difficult in desghine .if any problem happens transistor will be damaged. 2. Frequency response is little bit short I had thinked it will cover 10Hz to 100khz. 3. Need more balanced constant current for VAS stage for stability.. thank you. Overall its lot better desghine than market one . All the best.

[@WhatIThink]

Great observation

[@syedmahdi8947]

Sir, well explained, can you supply one full kit with heatsink please let me know the amount.

[@nagendrakumar3299]

Mai naya hu aur acb bahut jabardast hai. Jo last time volt set kar rahe wo bahut complicated hai. Voice quality super hai.

[@teamad2347]

Bro m 10 sal sy audio amplifier lover hu jb m chota tha tb maine sbse pehle 4440 syno ka boad dekha jaise jaise bda hua tb masters ho gyi audio amplifier ki

[@kamaleshkumarsah5117]

Sir hamne 7294ka use kiya hai jiska frequency response 20-20000hz tha .par is board ka frequency 15-30000hz hai to ye quality ke hisab se 7294 se bahut achha hai.dhanyabad is type ke amplifier board banane ke liye.sunkar bahut hi shandar laga sound quality

[@Niche_skills]

I once tried to design using darlington pair but probably I made mistake of doing it on General purpose board and it ended up with lot of noise issue. Now I understand how important it is to have right PCB design specially for quiscent amplifier. Best part of this design is adjustable bias provision. 👍

[@ronchinoy]

Somebody gifted me this PCB last month. As I started to build it I realized its a copy of Rod Eliots P3A. At least give him credit for donating this design to the DIY community. VASP is also selling a copy of this. Plan is to build all 3 types and compare. Noise and output.

[@ronchinoy]

You will get better performance and quality if you use a LED like Rod did in his original design.

[@nooruddinpanjwani8573]

I am a senior citizen and a hobbyist, and I've recently been looking for a Class AB 100-watt power amplifier. I came across your design, and I must say it’s just too good! I intend to assemble it for home use only. However, I think it would be challenging with adjusting the power transistor voltage using the 2k trimmer. Additionally, I’ve had difficulty finding the PCB designed by you in the market at Lamington Road, Mumbai. I would greatly appreciate any suggestions you might have for a suitable preamp that includes a magnetic phono cartridge input with RIAA equalization, ideally one that you have (preamp) designed with bass, treble, mid and volume to complete your 100 watts Class AB amplifier setup project.

[@kartikkhakrepatil]

Till now I have seen a lot of circuit diagrams on KZbin and made it, in some I have succeeded and in some I have failed, in others I have not liked quality. Tried a lot and spent money like water. But not now I know about amplifier and now I will never waste my money without full proof. With the help of Sudhir Sir, I have developed a great interest in the field of audio. I have been waiting for this amplifier for many days and today that day dawned. Finally I look at the quality of this board And fully Impressed and I really liked this board.

[@mandarin136]

Bhut achha amplifier ho gya ye to 😮 Kaash esi quality market producs me bhi hoti 🥺 market me nai milta itna complex circuit 🥺🥺

[@gopinathkundu8845]

Sir, mai aisa ek board khud se assembly karna chata hu lekin PCB nahi hone ke bajese bana nahi pa raha ap agar mujhe PCB diye toh mai bana payunga aur apka bohot abhari rahunga. Thank you sir is video ke liye.

[@uttamsinha8857]

nice audio sir aapne negative volt par DC OFFSET volt adjuster lagaya hai kya hoga agar ise positive volt par DC OFFSET adjuster lagaya jai kya sound me kya changes ho sakta hai

[@skmehta6173]

Circuit explanation was good and best part is that the components easily available in market and it is good to beginner as well as professional . It is sufficient knowledge to non electronics background person to know each step working.

[@shekharsriwas]

Thanks sir. Me ap ko projects ko blank PCB pr banata hu, op amp, subwoofer bass filter,lm3886,7294 ye sab banya hai ap ki help se.. you are a great teacher sir

[@shaktisasmal561]

बहुत अच्छी-अच्छी ट्रिक बताते हैं सर हमें और अच्छे-अच्छे वीडियो लाते रहे और हमारा ज्ञान बढ़ाते रहे धन्यवाद .....

[@SKElectronic89]

Sir apki video dekh kr bhot achi information milti h sath hi apne 2sc5200 or a1943 ka ik pair me hi 100 watt ka best gain best quality best inpidence matching 💖 krke best amplifier banay bhot Acha bana h hamko bhi buy krna hai ik pcb

[@microsoftfriends4372]

INSHALLAH yaqeenan yh bohat he kamal ka hoga.... Ap ka shoq hai yh or jo chez shoq sy banai jayee wo to best he ho sakti h.....

[@rajkumarchoudhary2314]

I saw in many circuit thermocoupling, this is the first time i could understand why thermocoupling of two transistor is done I learn always from your video, i learnt seeing basic data sheet. Great job done, i feel i could have fraction of knowledge like you

[@rohitverma-hw4xz]

Is taraha ki designing maine abhi tak nhi dekhi khas taur pe transistors ki thermal coupling karna bahut hi shandar idea hai gain ko auto adjust karne k liye. Best design pcb hai sai apka.

[@mdgufran2608]

Sir. Very nice pcb design hai .is amplifier ko jitna der chahe utna der chala sakte hai.ye amplifier 8ohm pe 100watt deta hai to 4ohm pe kitna watt dega? Aur kya ye 2ohm support karega ya nahi.

[@bipinparackal]

Frequency response ⚡20Hz to 30 KHz 🤩👍...Great project...Each and every single steps are explained very well. I was a fan of LM 3886 but now I will check this amplifier board (after you give away one board to me 😅 ) and will share my experience...Thank you for your efforts to enhance our knowledge...👍

[@VIPINSAINI_20]

LM3886 still is better option

[@gagansandhu6821]

Boht hi acha laga ki itne compact size main itna acha amplifier Design kia hai 😊... And with features like we normally don't see in indian amplifier👍

[@aravindpandey2283]

Sir I watch your videos regularly,I am a speaker mechanic by proffesion and making amplifiers for myself is my hobby ,I am very thankful to you. For your guidance,

[@hiteshghazal]

क्या बात है वाह सुधीर जी 🙏👍👌

[@pushpatl50]

Har Koi To No. 1 Bol Raha H, Lekin Ye Bord K Sath To Aap Bhi No. 1 Ho Sir Best Circuit Design H Aur Mujhe Chahiye Bhi Tha....

[@bablaghosh5476]

One more thing is that the pcb is very compact with perfectly placed components . No one explain why is necessary to match the input transistors and why they should keep as close as possible . You have great talent to explain the matter perfectly . Best wishes for you brother ...

[@electronicsved3009]

Ye jo amplifier hai iska audio output bhot hi jyaada saandar hai ....... Plus isske pehle jo aapne wuzhi audio ka review diya tha mujhe ye usse bhi jyaada batter laga ........ And sir I humble request to you......I'm a very poor but I'm always interested in amplifiers and electronics....... Love u sir ..... Special thax for u and your knowledge...❤️❤️❤️

[@Hyper_Fella]

Thank you sir Maine bahut se sound test sune hai Pehli baar kisi indian youtuber ke design ke board ka sound test mujhe acha laga thank you sir once again You're the best Indian sound youtuber!!

[@sensantanu]

Last one year I was planning to make a stereo amplifier for myself, and for that I have almost browse every indian youtube channel. And, I was confused what to do until I subscribed your channel. You have explained everything in detail about hi-fi audio. I thought I shall make a LM3886, but I just love this one. This is what I was looking for. Great. Also suggest the machine BT for this. Thanks a lot.

[@jaypatel6801]

Kya isma bhi zobel network ka use hota hai aur iski baising se transistor pe kya fark padta hai

[@deepakkumarkumar7186]

Sir mujhe 19v chahiye jo ki boost converter se milega toh input me 3.7v ki 3 battery ko parallel me laga k du toh battery ka AH bad jaega ya main 3 battery ko series me laga k boost converter ko dun?? Jyada sahi kya rahega???

[@DuroLabs85]

Very Nice build and design appreciate it a lot. One question, can I use it for 4ohms and what changes are required ??

[@WhatIThink]

Use 25.0.25 for 4 ohm load

[@DuroLabs85]

@@WhatIThink ohh OK thank you :)

[@abhaybhaskarnbp1876]

I have class d 2× tda7498 200w build with woofer and tweeter using passive crossover for my pc. Baas is so amazing but the treble is slightly low thats why i like to use your handmade class AB amplifier for tweeters on active crossover as everyone know the treble of classAB amplifier is nice, but as you tell us even in idle situation, amp will draw current .Not every time i am listening to music when using computer. Is that any way to stop amplifier to draw current except turning for it. And you should upload video of amplifier after 1 month of use because if i not get it, I will DIY with the help of your videos.

[@sastanashaagniveer2684]

Bhai curcuit diagram send kro

[@dikludas]

Nice , excellent knowledge 👍👍 I have one quarry if I put 220Mfd 63V accorss 1K gain resistor. Here you have given 100mfd. Is there any issue ? Kindly reply

[@rajnishgupta2862]

नमस्कार जी 🙏, आपका बहुत बहुत धन्यवाद, जो आपने हमे ऑडियो फाइल एम्प्लीफायर के महत्वपूर्ण पॉइंट्स के बारे में जानकारी दी।

[@mohanmanna3076]

I seen your all video in all video such a very good professional knowledge about electronics amplifier , following your video guideline I have made many such amplifier in zero PCB,,❤️❤️❤️❤️

[@goutam9351]

Sound quality to bohot e accha hai, all sections are well built but mera question hai ki apka purana video se jo circuit hai bridge karne ka oo yeha use karke 200 watt amplifier banaya ja sakta hai kya , by the way apka video hum logo ko bohot hobot e accha lagta hai jaise aap samjhate ho uff kya hi bole just perfect

[@mosambhong9940]

Hi sir I am trying to build this board but due to improper knowledge i have lost my lot of money but know with the help of this video I am very clear with the circuit and terms thank you

[@parashmanikalita8893]

I love it's wide range of frequencies response 15hz to 30khz ❣️

[@kmkm6870]

Sir aap kitna dhyan rakh kar board banata hai who bhi 100 watt me kya baat hai lage raho sir

[@mukeshahirwar8597]

Sir aapka ye board sabse hatke or sabse achchha hai... Designing superb...

[@kirankesav7608]

Brilliant as always🎉 Should we place the driver transistor onto main heat sink for better response

[@WhatIThink]

No... In CFP configuration drivers are separate.

[@kirankesav7608]

@@WhatIThink thanks bro

[@sachinmondal489]

I am really proud of you.I am try to make this type of amplifier PCB. But can't success. but your videos has help me a lot. ordering a PCB is not possible for me so, I will try to make without PCB. Thank you sir your are GREAT 🤤

[@silversandman666]

I started building amplifiers after watching your videos. I never thought it was possible to do it yourself. Thanks so much.

[@srinivasthotashannu5124]

Bro how can I get the board?

[@RonyPaul-9743]

PCb MIL Sakta hai? It's very attractive. And this type of Controls aaj kal koi v design nehi karta. Achcha laga. Bohot hi. Mere pass tip 142 Ka ek board tha. Usme tha

[@MrSandyboy4u]

Bhai kafi time se soch raha tha ki mein aisa koi high power amplifier banao..per proper guidance nahi ho raha tha.... Aapne meri muskil aasan kardi.... apki video dekh ke Josh bhar jata hai kuch naya karne ka... aap such mein ek inspiration ho hum jaiso ke liye Thanks for this DIY project with TTC5200 TTA1943...Happy Republic Day🇮🇳

[@masoodalvi4615]

First of all I thanks to you that you. Explain thoroughly.secondly I also want 2pcb of this amplifier.i make 68watts rod Elliot 's ampl.which is like your ampl.thanks again that and I want to please share clear circuit diagram thanks

[@ritikjain547]

I am making a amplifier first time i have been through too much error but at the end i got a good experience. I used ttc5200 and ttc1943 i would like your pcb for 2nd time .

[@jublii12]

Sudhir jee, aap jo bhi banate ho woh zabardast hoga hee. Respect for pure knowledge .

[@itrupesh9505]

Sir you are genius , sir I want to become like you and work like a professional just because I am love with audio electronics ❤️🥺. You are my inspiration and genius keep growing sir 🤎🤗.

[@ig_ignite150]

He's legend 💕

[@rushidj5506]

This comment not for giveway.....really I like your video and diagrams . Some other channel video is not explanation like you.... you are great sir..... jay hind sir

[@souravsen2187]

Thank you sir for sharing the technical knowledge. Sound quality of your PCB is awesome. I'm always use the blank PCB of VASP Electronic of BJT amplifier. Because I have never satisfied with the ready-made PCB of the market. They always mount the heavy driver transistor more than needs to showing the brightness of the PCB. I'm always use BD139 & BD140 of CDIL and keep the bias voltage at 0.700 DC by adjusting the 2k p-set of the circuit. But I never checked the D.C offset voltage of the speaker line. After watching your video I have measured the DC offset voltage of my Circuit. It shows aprox 85 m. Volt. There are no way to reduce or adjust the DC offset voltage on the PCB of VASP Electronic. But as per the knowledge from you, the DC offset voltage may go aprox 150 m. Volt. So, I am satisfied and thank you once again to sharing the best knowledge.

[@nikhilsuryawanshi6301]

Yess 👍 Especially i like this board 200 watt hifi mono ..... Vary well build ..... Vary good combination of power and vas transistors .... Pre assembled me kuch components low quality hai ...... But itna hi problem hai BD 140 / 139 is good getting up to 120 watt power from board .....

[@indranilroy4292]

Thank you so much for explaining and showing coupling and biasing Technics in simple terms. I am using complete PCB for 5200 & 1943 complementary pairs from local manufacturers but too much of power and ambient noises creeping in the Audio path, which I am sure is due to badly designed pcb, also oscillation s in the outputs due bad coupling and bias filtering adjustments. Your video explains all those in clear and simple terms and your project seems to be very well designed and having crystal sound quality wich most of us audio and electronic enthusiasts are searching for. Hope to use your design very soon. Thank you for such informative and enjoyable video. Always take great pleasure and get learning oppertunity 🙏🙏

[@rupkumarmishra5899]

Sir main fact of classAB amplifier's is this is easily repairable than others modern updated amplifiers And also classAB amplifier provide very beautiful and sweet sounds

[@ashishtiwariat59059]

Sir apke circuit normal circuit s alag hote h, apke circuit high gain dete h, mene gain circuit banaya h jrc5532 use kr k jo bht acha perform bhi kr rha h, per sensitive bht he thodi si bhi mistake s noise bht jldi a jata h, bo video bht useful rha, us s mene PA amplifier mic circuit banaya jo Ahuja amplifier ki takkar ka h, mene 50 rupe m PA mic circuit bna liya, jo pure market m available ni h

[@audiohome9773]

Theory ek taraf, but practical ka baat hi kuch alag hai, bohot kuch naya Janne ko mila sir, nice keep it on. nice amplifier.

[@Ghonshikar]

Sir ye amplifier board 8ohm ke load pe ±42v dc pe 100watt ki power deta hain . To 4ohm ke load ke liye kitna volt⚡ ki suplay deni padegi ?

[@henryhiran266]

Circuit diagram looks good, aapne board size ko bhi achchhe se adjust kiya hain, what about efficiency. Soft music ke liye isme SMPS power supply lagaye ya transformer use kare ?

[@malekalamkhak5519]

Creestal cliyer sound mene ayesa video KZbin pe paheli bar dekha fentastic you giniyes

[@KunalVaidya]

Hi Sir, it looks like the drill file is missing in the gerber for this DIY 100W PCB design, I ordered 10 pieces on Robu India and they are asking about it . Maybe they have extra requirement compared to jlcpcb

[@WhatIThink]

Drill file was there... Contact me on email... I will resend.

[@Yatri234]

हेडफोन लगा कर मैने आपके amplifier ki ऑडियो सुनी, bass, midrange बहुत ही अच्छी है, आपके स्पीकर भी बेहतरीन ऑडियो आउटपुट दे रहें हैं, spkr की bass hold capacity भी बहुत अच्छी है, घर के use के लिए यह amp बहुत ही अच्छा है लेकिन मुझे assemble करने की कोई जानकारी नहीं है, आप से एक request है की क्या आप अपने द्वारा डिजाइन किए गए एम्प्लीफायर को कैबिनेट में assemble करवा कर पर्सनल use के लिए कुरियर से भेज सकते हैं ? जो भी expense आएगा वो मैं भेज दूंगा । धन्यवाद, गणतंत्र दिवस की शुभकामनाओं के साथ 🙏

[@subhajyoti3106]

Sir konsa series use kiye hay output me TTC ya 2SC series ? Or is pcb kliye 25-0-25v 5amp Transformer suitable for 100w @8ohm load , kya ye 4ohm load pe heat hoga kya ? mujhe 4ohm load pe chalana hay

[@Soundnixaudio]

This amplifier circuit design is next level. especially its bias voltage adjustment is very good.

[@Akash-yq1qp]

@whatithink क्या में इसे घर और कार में वापर कर सकता हूं ???

[@kailashgautam152]

Apke samjhne ka tarika abhut acha hai

[@praveenkumarraghuvanshi]

Maine amplifier ke bare me apni videos se hi janena suru kiya aur jabki ye apne khud design kiya hai to koi sak nhi ye achchha hi hoga aur hai bhi sir

[@gourabkundu4988]

Sir i have one question Amplifier board mai shield wire use karne se noise reduce hota hai Isiliye maine market mai bohot search kiya par kahi pe bhi shield wire nahi mila. Kaha se milega kuch bata sakte hai app please 🙏🏻🙏🏻 Over all a very good board and designing.

[@skabdullahshuvo5410]

I am from Bangladesh I am not professional in this it's just my hobby, I saw your many video & your clear explanation I like it Can you have any sources to get this amp circuit?

[@WhatIThink]

it is there in video

[@ab0871ab]

Sir which software did you use for pcb designing. I tried many circuits which are ic based for my home use but never tried any transistor based one. love to try this

[@WhatIThink]

Sprint layout

[@harisrajtimaniya8810]

Boht hi acha sound he. Sir is me or kitne transistor laga sakte hen ???

[@vinodhvarma6075]

Excellent work sir. From very long time , i am looking for this kind of amplifer now u made it . Thank you very much sir. sir, will you sale the entire board ? If yes , please let me know how to contact you sir?

[@Nebula_Nectar]

Sir can I use this amplifier for 100 watt subwoofer with low pass filter??? Love from Bangladesh🇧🇩🇧🇩🇧🇩

[@anshuyadavsitaram7053]

Class AB amplifier 2sc5200 ,2sc1943 give very clear audio and efficient than class A amplifier class AB have efficiency of 70 to 80% and it professional or home audio and your pcb design is very good ❤️

[@SKElectronic89]

Sir g bhot hi fine audio h is board ki ikdam noise free this is best

[@dharmenderbodaria8695]

Sir , what is parameters of audiophile sound quality? And this amp can provide to actually audio phil sounds? Because I am Bild to- Apex A40 , Apex sr300 Apex hx 11 Jean heraga 30w etc. Proper Bild. And I am not satisfied to sound quality.

[@Audioonabudget1]

This transistor bord frequency response 20-30k hrz ...... High-frequency response bohot accah milega 😍 And this amplifier thd 0.045% ( 75 watt output) Mujhe lagta hain this amplifier ki sound quality bohot sweet hoga I am from Bangladesh love you brother

[@darkff1886]

This bord's high frequency response is very good. I am hearing in home theatre. Then actually how will be the sound. Sir op. I am a big student of your.....

[@WhatIThink]

Thanks sir... Treble is very very clear

[@laxmanmestry3405]

Sir aap great teacher ho aapke video se muze help milti he , thanks sir 🙏🏼

[@djruthvikrao6821]

I actually thought that tda 7294 is best in class and had built a dual mono amplifier and altered some things in my tower speakers which had tda 2050 dual ic board....I had made it tda 7294 dual ic by doing some alteration and ordering a pair of board...but now after looking at this video TTC5200 TTA1943 amplifier is just next level....but i guess I may have some difficulties in having that high power supply....but I am interested in doing such a project in future....thanks for all the information sir....love from coastal Karnataka ❤️❤️❤️...

[@Simpletricks28]

Thank u sir for your valuable information provided to us Thanks for this high quality TTC5200,TTA1943 Amplifier video it is the best circuit among all . I Followed all your videos to my circuits ,powersupply etc. I have a big interest in this field and your videos always improve me. I have not win any giveaway till now. But always ready to get knowledge I am making a project Of 100watt party box using 10" mid bass Speaker and I need a board like this such a high quality board . The Decision is of yours but hope for the PCB 🇮🇳. THANK YOU

[@shreeyansmohapatra3405]

Thanks for this high quality TTC5200,TTA1943 Amplifier video it is the best circuit among all. As i know Followed all your videos to my circuits,powersupply etc. I have not win any giveaway till now. But always ready to get knowledge I am making a project Of 150 watt party box using 2 x 8" mid bass Speaker and I need a board like this such a high quality board. The Decision is of yours but hope for the PCB THANK YOU

[@avdheshyadav8213]

@@shreeyansmohapatra3405 I

[@yojiraj2601]

Sir app ka khud ka banya bord me kami nahi ho sakti. Mai appki sabi videos bhot bariki se dakhna hu. Eslya mai 100% gurenty se bolta hu

[@chanddevi6299]

Hello sir bahot hi achi qavalati ka amplifier circuit hai

[@arohimollick818]

Nice amplifier PCB.Sir kya drive transistor ko change kar k board ki watt ko bada sakte hain?

[@mokshitpujari2750]

Sir I have one question The speakers you buyed from the doogesound the bass from the speaker is a bit less means the bass doesn't hit hard like how other speakers hit I can only feel the vibration because I also buyed the speaker from them and made a portable Bluetooth speaker and I design it with the software you showed in the video please reply😞

[@induvishwakarma8962]

Sir mere papa ke pass itne paise nhi hai ki sir mai ek class ab amplifier buy karu mujhe knowledge to bhut hai ye sabhi knowledge mujhe apse hi mila hai lekin agar kash mere pass bhi aisa amplifier hota to shyad mai bhi ek 100 watt ka hifi amplifier bana sakta aur aise do board use karke usme koi achaa hifi preamp use karke mai stereo amplifier banata lekin mere pass utne paise nhi hai ki mai buy kar sakta is board ko😔😔 mujhe apki video dekh ke mujhe bhut knowledge mil paya hai audio systems me

[@ravinderbhardwaj1006]

Sir Aapka samjhana ka tarika bhut acha ha, maina apka video sa Bahut Kuch seekha ha👍👍👍👍

[@vikasvishwakarma8126]

Sir apka ye pcb 100 watt @8ohm me hai kya yah 2ohm par stable hai. 5200 /1943 ke jagah koi aur transistor laga sakte hai jisse power incease ho jaye. Baki apki pcb desine bahut axa hai apka. Lekin ese smps power supply me banaiye. Sir.

[@bablaghosh5476]

Really a great video indeed , with proper explanation . You are absolutely an experienced person with a excellent knowledge of audio amplifier . Best of luck brother for your next project .... All the best wishes from kolkata .