we need help...
thank u very much......
hello diyers can any one hep us....???Who has the waveform, I want to compare. YouTube - Apex amplifier
thank u very much......
try the correct schematic on post 1346
hi,
did you manage to make the transistorized step driver work???...
regards,
ees
Circuit Diagram of NAD3155
Hai,
I am trying to fix an NAD 3155 stereo amplifier. I would greatly appreciate if someone can send me schematic of this amplifier.
Regards,
Aby
Hai,
I am trying to fix an NAD 3155 stereo amplifier. I would greatly appreciate if someone can send me schematic of this amplifier.
Regards,
Aby
Hello mile,
Sir, I want to know if your amp(900w) will be any good match to drive the PA horn driver units. I will be driving at least 10-12 of these horns@ 70% volume. Below are the details:
Ahuja Sound Solutions
I will not be using any loudspeakers in the same amp output.
Thank you...
Sir, I want to know if your amp(900w) will be any good match to drive the PA horn driver units. I will be driving at least 10-12 of these horns@ 70% volume. Below are the details:
Ahuja Sound Solutions
I will not be using any loudspeakers in the same amp output.
Thank you...
chinese amp stepdrive
hi
greetings most chinese amps have this stepdrive
1 2 or 3 pairs 2sc5200 2sa 1943
2 pair of MUR3060
3 pair of mje340 350
4 2sc5198 2sa1941
step drive trrigered from speaker output
thanking you
andrew lebon
hi
greetings most chinese amps have this stepdrive
1 2 or 3 pairs 2sc5200 2sa 1943
2 pair of MUR3060
3 pair of mje340 350
4 2sc5198 2sa1941
step drive trrigered from speaker output
thanking you
andrew lebon
Attachments
Hi! andrewlebon,
Do we have a schematic of your chinese amp step driver and can you post?
Thank you, amigo.
Do we have a schematic of your chinese amp step driver and can you post?
Thank you, amigo.
hi
greetings there is no schematic as i directly copied it from the Chinese amp PCB as shown..... step works well will post schematic as i am tracing the circuit now....
thanking you
Andrew Lebon
greetings there is no schematic as i directly copied it from the Chinese amp PCB as shown..... step works well will post schematic as i am tracing the circuit now....
thanking you
Andrew Lebon
Hello! andrewlebon,
Thanks, my be i will try to use for H900. IR2117 it's so hard to find.
My H900 was already done, but class AB for the moment.
I don't know who was successful for TL072 step driver and i used my TL071, but din't work.
amigo
romulo
Thanks, my be i will try to use for H900. IR2117 it's so hard to find.
My H900 was already done, but class AB for the moment.
I don't know who was successful for TL072 step driver and i used my TL071, but din't work.
amigo
romulo
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