JLH1969 Class A amplifier Easy to build high quality amplifier

 

The JLH Class-A amplifier is a legendary design in the world of hi-fi audio, renowned for its simple yet effective circuit and its smooth, musical sound. Here are five key points about this classic amp:


1. Class-A Operation: Unlike most amplifiers that operate in Class-B or AB, the JLH runs in pure Class-A mode. This means the output transistors are always conducting current, even when no music is playing. This results in incredibly low distortion and a warm, natural sound.


2. Simple Design: The JLH amplifier is known for its straightforward circuit, making it popular among DIY enthusiasts. The design uses readily available components and requires minimal soldering, making it a great project for beginners.


3.Musicality: Despite its simple design, the JLH amp is known for its exceptional sound quality. It delivers a smooth, detailed sound with a rich midrange and extended highs. Many audiophiles prefer the JLH's sonic character to more complex and powerful amplifiers.


4.Overall, the JLH Class-A amplifier is a timeless classic that offers a unique combination of simplicity, musicality, and DIY appeal. , its smooth sound and vintage charm continue to captivate audiophiles around the world.


5. JLH 1969 is a time tested amplifier designs with fans allover the world . This class a amplifier is easy to build as it has  few components and the simplicity gives it a great sound quality . A warm sound which most prefers. this 

Ampin Audio offers you hi quality pcb  for building this amplifier .To Order assembled PCB contact on 91 85470 56859

jlh 1969
Since most of the devices used in the original design is obsolete and unobtainable currently available substitutes are used , Component values printed  This PCB is  for 8 ohm speakers . you can use 4 ohm by changing R1 and R2  





Power Supply 



jlh1969 powersupply
Rectifier is not shown in picture as its better to mount that on a separate heat sink 

ampin audio jlh


  






For PCB whats app  085470 56859



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