Good news. You can use hi-fi speakers for test, B500 is PA amp with hi-fi sound.
Regards
In fact, it has been already made but i didnt got enough time to post the pics.
here are some of the pics. It really sounds great.
Thanks apex. thanks alot.
Attachments
Thanks for pics, nice work. What is PSU specification, and what speakers are used for the test?
Regards
PSU is around 50-0-50 and 500VA IR2110 based. speaker I used are pioneer 4E DVC champion series 12" with 1200w peak power input and 400w nominal (TS-W307D4). That's what I have presently. however I have also tested the amp on a 600w 12" full range spk and it sound well at almost full power without any auidable distortion
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hello apex sir
pls tell me one thing if in case L.S of my b500 is short circuit what will happen .
is protection work?
pls tell me one thing if in case L.S of my b500 is short circuit what will happen .
is protection work?
With peak current over 8A per output circuit around 2N5401 give AC signal on amp PRO pin, and protect circuit disconnect speaker. Protect will connect speaker after turn amp off and turn on again (power on reset). If you not sure that usen outputs will not break with 8A current don't try to short circuit amp out.
Regards
hi aman
greetings tested amp with 4 15 inch speakers 2 ohm load 10 output pairs
supply 70 0 70 dc performed more than i expected tomorrow will test with apex
audio modification triple ef stage and post pictures of set up
THANK YOU APEX AUDIO FOR YOUR CIRCUITS AND HELP have made 4 h class
h900s
1 is it normal when i start amp in series with 100 watt bulb it glows full then i
dissconnect speaker and recconect speaker bulb comes to normal is it ok
thanking you
andrew lebon
greetings tested amp with 4 15 inch speakers 2 ohm load 10 output pairs
supply 70 0 70 dc performed more than i expected tomorrow will test with apex
audio modification triple ef stage and post pictures of set up
THANK YOU APEX AUDIO FOR YOUR CIRCUITS AND HELP have made 4 h class
h900s
1 is it normal when i start amp in series with 100 watt bulb it glows full then i
dissconnect speaker and recconect speaker bulb comes to normal is it ok
thanking you
andrew lebon
The bulb is used to prevent damage when your equipment is wired up wrongly (incorrectly).
Once you have tested the amplifier thoroughly, you must remove the bulb limiter and set up the amplifier to it's quiescent settings. Only after all that is completed should you attach the speakers.
Once you have tested the amplifier thoroughly, you must remove the bulb limiter and set up the amplifier to it's quiescent settings. Only after all that is completed should you attach the speakers.
Use pcb from B500 for B250 or I can suggest you to build HV350
http://www.diyaudio.com/forums/solid-state/162043-mosfet-amplifier-irfp240-irfp9240-35.html
Regards
Speakers are not connected when you start amp if you use speaker protect. It's normal when you start amp series bulb will glows at the moment (caps charge).
Regards
@ ANDREW
DID YOU USED THE AMAN KHALSA B500 DRIVE UNIT IS THERE ANY PROBLEM WITH THE BOARD? HAVE YOU TRY USING IT PLS ADVICE IM READY TO USED THE BOARD.
THANKS.