NEW JLH HOOD1969 Class A Headphone power amplifier DIY Kit Preamplifier kit
NOTE: This is a kit, All parts need you welding and testing.
Size: 121mm * 108mm * 35mm
Job type: Single-ended Class A
Operating voltage: AC 12V-0V-12V
Frequency characteristics: 12Hz ~ 50KHz (+ 0dB, -1dB)
12Hz ~ 120KHz (+ 0dB, -3dB)
Voltage gain: 21dB
SNR:> 101dB
Conversion Rate:> 35V / μS
Quiescent Current: 240mA
Brief introduction::
In 1969, the British engineer tiger Germany (John Linsley Hood) in the "Radio World" published the famous JLH single-ended
Class A power amplifiers, with its simple circuitry to obtain an excellent sense of hearing, for a time resounded through the
north and south, audio imitators countless. The figure is a single-ended Class A power amplifiers to JLH minor changes based
on the CPI and the headphone amplifier circuit diagram, achieved satisfactory results.
![1969.8](https://ae01.alicdn.com/kf/HTB1UsPAj25TBuNjSspcq6znGFXaK.jpg)
![1969.9](https://ae01.alicdn.com/kf/HTB1x7.XjWmWBuNjy1Xaq6xCbXXaY.jpg)
![1969.10](https://ae01.alicdn.com/kf/HTB1qh.4j9tYBeNjSspkq6zU8VXaQ.jpg)
![1969.11](https://ae01.alicdn.com/kf/HTB1cf3gj49YBuNjy0Ffq6xIsVXac.jpg)
![1969.18](https://ae01.alicdn.com/kf/HTB1cSroj9CWBuNjy0Fhq6z6EVXa9.jpg)
![MX-1](https://ae01.alicdn.com/kf/HTB1mwbVjY5YBuNjSspoq6zeNFXaV.jpg)
![MX-2](https://ae01.alicdn.com/kf/HTB1_is4j9tYBeNjSspkq6zU8VXaN.jpg)