Mic, Line, EQ... Preamps

[rifky]

Originally Posted by apexaudio

From post #209

i make it, but i feel bass was less. why???

[vorezky04]

Mr, canou design layout BJT preamp with stereo input and output???

[viki_v2]

Originally Posted by QQ12e5k1

Is this correct now??

Regards

hello,
Your attached file does not open , can you repost the file.
Thank you.

[harp mg]

Originally Posted by apexaudio

ML3 Schematic

Hi man i know its a bit late to quote this but ml3 that i have made is generating some noise when the vol is open.
espesialy it gets worse when i connect the mic to it.
what coul be the problem.
u know when mics coil is connected the noise is loud and when its not connected the noise is lower but suffering again. what to do man????

[nazirdigi]

hi apex sir .
is this correct method for the tone control?
can i use 20k stereo controls, pls share if u have the pcb layout in pdf format
thanks.

[jash2008]

Originally Posted by apexaudio

This simple x-over work in range 20-100Hz, if you need this low pass instead 80-250Hz you can just use pot 2x50k instead 2x10k and sound will be same.
Regards

hello apex,

I want to redesign your "APEX sub Mon" into SMD version, will it be possible for you to post its schematic. this x-over really sounds great.

thanks

[sasek]

Originally Posted by apexaudio

X-over frequenies are from 80Hz to 250Hz,
Regards

what component should be change to x over frequencies are from 20hz or below?

[vorezky04]

Mr Mile, can you post your preamp???

[shreya]

Sir

i want this psu for 35-0-35 5A transformer

what changes have to be made on this

[radio]

Originally Posted by apexaudio

Subwoofer X-over with inputs from line or speakers.

Hi Mile!
If you are able to shematic (circuit) the pattern of low-bandwidth filter (Subwoofer X-over).
thanks