Mic, Line, EQ... Preamps

[comasus]

Finished ML3 but noise is coming and it is more audible when bass mid and treble are at full
but awesome treble and bass i have grounded every thing properly
Dirty distortion is coming when volume pot is at full even though the input mobile volume is low

any way this will spoil the original quality sound of ax-14

 

[smartx21]

Must assemble in proper case;
Must revise power supply quality;
Not to mention proper wiring.
IMHO,
Max.

 

[gooseneck]

apex,
my ml3 on her way
regards

sir engel can you please post PCB of ML3...thanxs..

 

[manidecibels]

apex sir , need circuit design of this

12dB/oct activ X-over with balanced input and outputs for subwoofer (LO),satelite(HI) or full-range(FR). X-over adjust 50-250Hz, and level for satelite (HI).

 

[engel dela pena]

see page 1

 

[blafioras]

Hello, sir Mile. I have same problem with my ML3 project. Everything is properly connected and the ground is also in one point. When the volume is full i have big distortion without signal. All potentiometers are B10, i think they are linear like in your schematic, but i'm not sure. Can you response what change we can make to reduce this noise and distortion. Thanks.

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

 

[noobie]

12dB/oct activ X-over with balanced input and outputs for subwoofer (LO),satelite(HI) or full-range(FR). X-over adjust 50-250Hz, and level for satelite (HI).

Good Day Apex, can you show how to wire this xs2,

 

[ravpreet420]

hello apex

1. for b500 how gain required in ac volt?
2.for ml3 how gain required for input (ac)and what output on ml3?
3.how gain required for h900 ?

 

[kml88]

hi ... apex
x-over you may be used for sound field?

 

[SERGIODS]

In this thread I will post preamps, EQ, active x-overs, VU...
ML3 is Mic/Line XLR preamp with three band EQ +/-20dB
PCB size 100x40mm
Regards

Very good

 

[SERGIODS]

In this thread I will post preamps, EQ, active x-overs, VU...
ML3 is Mic/Line XLR preamp with three band EQ +/-20dB
PCB size 100x40mm
Regards

great contribution
is what I was looking
thanks, grace, friends

 

[Riff]

In this thread I will post preamps, EQ, active x-overs, VU...
ML3 is Mic/Line XLR preamp with three band EQ +/-20dB
PCB size 100x40mm
Regards

sir i want to build mini mixer 6ch with ure apex ml3...
but how to mastering,can u help me for ML3 to Mixer if any schema?
sory my bad english...thkks regards

 

[Riff]

sir i want to build mini mixer 6ch with ure apex ml3...
but how to mastering,can u help me for ML3 to Mixer if any schema?
sory my bad english...thkks regards

 

[Riff]

ML3 to Mixer

In this thread I will post preamps, EQ, active x-overs, VU...
ML3 is Mic/Line XLR preamp with three band EQ +/-20dB
PCB size 100x40mm
Regards

sir i want to build mini mixer 6ch with ure apex ml3...
but how to mastering,can u help me for if any schema?
sory my bad english...thkks regards

 

[Riff]

ML3 to Mixer

sir i want to build mini mixer 6ch with ure apex ml3...
but how to mastering,can u help me for ML3 to Mixer if any schema?
sory my bad english...thkks regards

 

[irwanks]

sir i want to build mini mixer 6ch with ure apex ml3...
but how to mastering,can u help me for if any schema?
sory my bad english...thkks regards

You don't read from the beginning. i help you a little. Pictures for apex ml3, regulated psu 2x15v, and master mix. I recomend you to use tl072, tl074 like the scematics, never use the others ic because it can give more noise.

 

[Riff]

mini mixer

You don't read from the beginning. i help you a little. Pictures for apex ml3, regulated psu 2x15v, and master mix. I recomend you to use tl072, tl074 like the scematics, never use the others ic because it can give more noise.

many thanks irwanks...

 

[kml88]

Mr. Mile, i need distributor audio with 4 output chanel every mono, please give me the skema and layout. Thank you

 

[manntoos]

good afternoon mr mile, can you
post it MX1 component layout to us?
Thank you. Regards

 

[joexswj]

my preamp ML3 with standar part in lokal state