hello Mr. Miles, I cant seem to find the schematic or the PCB layout of the APEX BJT Preamp QQ12e5k1 talking about, care to share it here, thanks!!
Any substitution for BF245 Sir??PSU for preamps and active x-overs, with different zener output voltage can be +/-12V, +/-18V...
Regards
Mr. Mile, can you mirror your layout ML3???It's correct,
Regards
Because I make layout PCB with metode iron..
Any substitution for BF245 Sir??
Regards
Use 2SK246, 2SK49...
all of tone control of you, mr. mile
what is favorite your tone control?
i make ultimate AX14. witch one compatible is it??
what is favorite your tone control?
i make ultimate AX14. witch one compatible is it??
Hello Mile,
Been waiting for so long.
Can You Help Me On Your Guitar Amp???
RAJ
Yes, but you must do some measurement, and voltages in some points can help...
all of tone control of you, mr. mile
what is favorite your tone control?
i make ultimate AX14. witch one compatible is it??
From post #209
Yes, but you must do some measurement, and voltages in some points can help...
The amp is working. I connect a 10K pot input at C14. But the amp is not powerfull. Please tell me what to change for the gain.
And also please tell me how to include clipping indicator.
The preamp I do not want to use yet. I do not want to trouble you further.
Thank you
Is this correct now??
Regards
hello,
Your attached file does not open , can you repost the file.
Thank you.
help me with this ML3
🙁🙁🙁
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????🙁
🙁🙁🙁
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????🙁
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.
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.
Attachments
Last edited:
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
what component should be change to x over frequencies are from 20hz or below?X-over frequenies are from 80Hz to 250Hz,
Regards
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
- Home
- Live Sound
- PA Systems
- Mic, Line, EQ... Preamps