Improving Performance Bass Amplifier

Stereo power amplifier is less in the bass tones, but if a speaker that sounds just feels solid bass sound, there are several possibilities, the first one speaker cable upside down, try alternating bass and tone tests.
If still, you need to use 2 power supply or attempting to use this circuit. Note this circuit works for a power amp that is less power transformer with 2 speakers (stereo). One of the speaker cable (output) should be reversed, this is okay, just a game to lighten the work phase transformer from the blow bass.

We recommend that before you try this circuit, turn one speaker cable and a second test speakers with bass tones, the bass should be mutually reduce (bass-bass = 0). Next remove the driver from boknya and turn the speakers (the speaker drivers facing into the wall), the bass should grow (bass + bass = 2bass). One record store in the town of Indramayu is taking this simple way, certainly looks magnet speakers, great.

The heart of this circuit using IC with 2 op-amps, can type JRC4558, LF353, TL072, TL082, and similar. Vcc = + /-70Vdc. If Vcc = + /-42Vdc, replace the value of R9 and R10 to 2K2.
Op-amp 1 functions as a buffer, while the op-amp to-2 function as inverting the phase 180 ', both have a reinforcement of 1 times.

Improving Performance Bass Amplifier

Improving Performance Bass Amplifier

List of components:
R1, 2,5,6 .......... 100K
R3, 4 ................ 2K2
R7 ................... 100
R9, 10 .............. 2K2-3K3
C1, 2 ............... 100uf/25V
D1, 2 ............... 15V Zener
IC1 ................. TL072

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