Can I use 50k pots instead of 10k on TB3 ?
If not is there any option to tweak any other component for fitting 50k Pots.
Thanks in advance.
If not is there any option to tweak any other component for fitting 50k Pots.
Thanks in advance.
Hello ! First , thanks Alex MM and Apex for brilliant schemes and pcb.I managed to finish the P30+TB3 amplifier.
TB-3 tone controls are fabulous!
I'm correcting the overall rising speaker response of small midbass driver. I'll try it with a pass full range eq. This driver still need cone break up attenuated!
My plan is to install it in an integrated amp along with Apex AX11 mini
I'm correcting the overall rising speaker response of small midbass driver. I'll try it with a pass full range eq. This driver still need cone break up attenuated!
My plan is to install it in an integrated amp along with Apex AX11 mini
Attachments
Hi joe can i get pdf of this design that is including power supply , all required files so that i can make pcb for diy
Apex Mic, Line, EQ... Pré-amp https://www.diyaudio.com/community/threads/mic-line-eq-preamps.167363/
HI need some pcb for home use how can i conncet with youThanks guys, if anyone decides to order pcbs, let me know I will buy off a couple.
Have anyone tried this VU meter ?
I want to DIY a VU Box like this. Which will have input and output selector.
Douk Audio VU3.
I want to DIY a VU Box like this. Which will have input and output selector.
Douk Audio VU3.
Hi all,
I'm interested with the VAS push pull in AX11 schematic. May we adapt this concept for other topology like CFP (like P3A amp)?
I'm interested with the VAS push pull in AX11 schematic. May we adapt this concept for other topology like CFP (like P3A amp)?
I'm using linear.Hi all,
referring to the REV3 scheme of #14,268 - I wanted to know about the 3 potentiometers (bass-mid-treble)
are they lin or log?
many thanks,
Marco.
This one fits. I would like to find other options for 10k linear that will fit the pcb
https://www.digikey.ca/en/products/detail/bourns-inc/PDB182-K220K-103B/2564759
edit - BTW, the Bourns pot has a center detent. The response is basically flat at the detent. From my acoustic measurements it looks like
an approximate 6db cut and boost
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Hi all,Apex BJT STEREO PRE-AMP SB 3.1 2014 - 2020
Hi guys I got this new layout I decide to go back a re-done the BJT pre-amp now that I have more experience I'm gonna posted here please if some one see an error let me know I just make it today I attached the schematic I use on simulation
Apex BJT STEREO PRE-AMP SB 3.1
Note: is not tested yet
In this preamp Apex SB 3.1 do the transistors have to be paired for a best result?
I think XRK made it and was satisfied.
A5 PcbIs it a black&white pcb for this simple amplifier?
https://www.diyaudio.com/community/...delity-amplifier.164093/page-417#post-4799034
A5 pcb components layout
https://www.diyaudio.com/community/...delity-amplifier.164093/page-424#post-4805473
Thanks my friend but i can't use this for home etching.
I need this without components placed.😉
I need this without components placed.😉
Somehow, I never revisited this design till now.but difficult to layout😀..
So here is a version of it, after a long long time.
regards
prasi
Attachments
O my friend,you are a machine!!!
Diy audio have an excellent 👌 tool.
Name of this tool is prasi🙏
Diy audio have an excellent 👌 tool.
Name of this tool is prasi🙏
Looking at the schematic diagram,i can't see a Vbe multiplayer.
How this remain stable from thermal runaway?
How this remain stable from thermal runaway?
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