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LM1875 Hi - Fi Amplifier Board, Assembling and Audio Test, हाई फाई एम्पलीफायर

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What I Think

What I Think

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Disclaimer : This is not a paid review. I have selected best PCBs available in Indian Market. You can buy whatever you feel better.
Assembling and Audio Test of LM1875 based Stereo Hi Fi amplifiers. Based upon PCBs provided by @indianxtremeaudio and @UltimaxAudios
For Buying the Project kindly contact on below given Phone Nos.
Indian Extreme audio : Contact - 8383936916 Rahul Sharma, Call time is - 11 to 6 PM
Ultimax Audios : Contact- Suraj Verma- 78219 21789 (only complete board available, no bare pcb, Refer to code WITF60 and get discount, discount will be applicable, when 2 or more products will be ordered.) *To avail the discount, Customer have to, 1• Give Subscribed Screenshot of channel " What I Think"
2• Must Give Discount code: WITF60
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Details:
FEATURES DESCRIPTION
The LM1875 is a monolithic power amplifier offering • Up to 30 Watts Output Power
very low distortion and high quality performance for
• AVO Typically 90 dB consumer audio applications.
• Low Distortion: 0.015%, 1 kHz, 20 W
The LM1875 delivers 20 watts into a 4Ω or 8Ω load
• Wide Power Bandwidth: 70 kHz on ±25V supplies. Using an 8Ω load and ±30V
• Protection for AC and DC Short Circuits to supplies, over 30 watts of power may be delivered.
Ground The amplifier is designed to operate with a minimum
of external components. Device overload protection • Thermal Protection with Parole Circuit
consists of both internal current limit and thermal
• High Current Capability: 4A shutdown.
• Wide Supply Range 16V-60V The LM1875 design takes advantage of advanced
• Internal Output Protection Diodes circuit techniques and processing to achieve
• 94 dB Ripple Rejection extremely low distortion levels even at high output
power levels. Other outstanding features include high • Plastic Power Package TO-220
gain, fast slew rate and a wide power bandwidth,
large output voltage swing, high current capability, APPLICATIONS and a very wide supply range. The amplifier is
• High Performance Audio Systems internally compensated and stable for gains of 10 or
greater. • Bridge Amplifiers
• Stereo Phonographs
• Servo Amplifiers
• Instrument Systems
Connection Diagram

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