900W H-class PA Amp with Limiter

[NMOS]

What is the spec from TD1800 ?


1800 W RMS or Music power @ 4 Ohm ?

? W RMS or Music power @ 8 Ohm ?

does 2 Ohm working ?

 

[vedmitraa]

ALPHATRONICS TD CLASS WITH 6 PAIRS OUTPUT TRANSISTORS

ALPHATRONICS TD CLASS WITH 6 PAIRS OUTPUT TRANSISTORS NOW COMPLETED

 

[NMOS]

ALPHATRONICS TD CLASS WITH 6 PAIRS OUTPUT TRANSISTORS NOW COMPLETED

look good

waiting for assembled running news

 

[andrewlebon]

TD1800

Hello Apex audio
greetings tested TD1800 on low voltage external 18 0 18
dc voltage collapses to 3 volt dc
warm regards
Andrew😕

 

[NMOS]

TD1800 on low voltage external 18 0 18
dc voltage collapses to 3 volt dc
warm regards
Andrew😕

What does it mean collapses to 3 Volt ?

is it normally ?

any problem with circuit, not working stable ?

please share test expierience and information

 

[andrewlebon]

TD1800

Have to complete these 4 pcbs then will try and rectify fault in TD1800😉😉

 

[moore4889]

Have to complete these 4 pcbs then will try and rectify fault in TD1800😉😉

Hi Sir,nice amp out there.,can you tell us were we can get those class TD boards..i just want to to make one class TD amp..thanks

Regards

 

[khalsa]

is this td class ? eengine ?/

 

[NMOS]

Have to complete these 4 pcbs then will try and rectify fault in TD1800😉😉

Did you finished now ?

dc voltage collapses to 3 volt problem fixed ?

does amp working stable ?

 

[neojie]

another TD1800 layout for you. Please check for any flaw if you want to try it.

 

[apexaudio]

TD1800

 

[NMOS]

TD1800

Gerber Files to share available ?

 

[desislavov]

hi , all .
I have 3kw 2*52V and 2*104 V can i use this toroid with Apex H900 ??

 

[eliasib]

TD1800

Excellent. A very compact PCB.

 

[kandimba]

hi , all .
I have 3kw 2*52V and 2*104 V can i use this toroid with Apex H900 ??

No, it's very high.

Regards

 

[moore4889]

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

H900 tef done,,,thnx Sir Miles and Liempoo for the layout

 

[starbala18]

God day to all my co-members can I ask who have a schematic diagram of class TD anyone who have this can I have f he can

 

[masood251]

Hello sir
My 3k3/2watt resistance posetive side becomes very hot what to do please help me.thanks regard

 

[masood251]

Hello dear
I have h900 test today .when i power to amplifier my amplifier play but after some time after 1 minute approx.sound gradually slow and diminish.and 3k3 /2watt resistance posetive side heated i changed ic2117 and mosfet but problem remain same.please solve my problem.thank you.

 

[NMOS]

God day to all my co-members can I ask who have a schematic diagram of class TD anyone who have this can I have f he can

easy to find look