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  « FS LJM L12-2 $150 3Months old »
April 25th, 2024, 12:28pm
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   the Echo Loft (Buy/Sell Section)
   Buy / Sell Forums (Singapore - Post prices in SGD)
   [Singapore] HIFI Equipment (Buy/Sell)
   FS LJM L12-2 $150 3Months old
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   Author  Topic: FS LJM L12-2 $150 3Months old  
audiowazz

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FS LJM L12-2 $150 3Months old
« on: May 24th, 2022, 11:01pm »

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LJM 12-2 Amplifier. Selling for $150.
3Months Old, Bought SGD355.
AC230V

https://calvins-audio-page.jimdofree.com/ideas-and-circuits/powe r-amplifiers/l12
-2-a-really-good-100w-amplifier/

Size: 360mm*270mm*80mm (W*D*H)

Output Power 120W+120W  (at 8ohm load)
                       200W +200W ( at 4ohm load)
LJM design rigorously tested high performance amplifier.
Using asymmetric amplification, cascode input, single-ended constant current amplification, complementary feedback output stage.Static current per channel is 40MA working at CLASS AB.

L12-2 Since 2006, the number of users has exceeded thousands, which reflects very good, is the classic model in the L series.



PCB uses double-sided 2MM thick FR4 material.
Small signal tube using original TOSHIBA low noise tube
The output Transistor adopts the original Sanken UHF FT 70M, multi-emitter LAPT audio Transistor.

2SA1186 2SC2837, two pairs of output tubes per channel

300W oxygen-free copper transformer

4X10000uf NOVER Main filter capacitors.

original ALPS volume Potentiometer.

Aluminum chassis + solid knob

High Quality Speaker and RCA Terminals


The main material:
THD<0.0005% 1K HZ 10W
SR = 35V/US
Damping factor >200, 8ohm load
Input sensitivity = 1.6V output 120W 8R
Frequency response range = 15HZ-50K HZ (-3DB)
20HZ* 20K HZ =-0.02 DB
Static current = 80MA
Voltage usage range = DC positive and negative dual voltage + -12V to + -55V
Voltage magnification = 31 times

Contact me at: 9736 5803 Whatsapp



« Last Edit: May 25th, 2022, 12:44pm by audiowazz » Logged










 




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