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Old 12th August 2012, 08:25 PM   #2231
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Sorry for typing mistakes. attached with are some of my workshop photos.
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Old 13th August 2012, 03:27 AM   #2232
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thanks
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Old 15th August 2012, 03:41 PM   #2233
totski is offline totski  Philippines
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Quote:
Originally Posted by apexaudio View Post
Short circuit protect is activ only with more than 9A current per outputs (2,8V on resistor 0,33R/5W) and you have AC signal on PRO terminal. You can't have this current with serial bulb and 10R resistors. Short circuit is stres for outputs and you can't have 100% protect, do not short circuit amp out it's risk.
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sorry miles i mean the amp not the protect, amp has shorts on copper lines.Mr Miles another question when i increase volume to maximum, protect activate need to reset to work again load test in 4r and 8r without tone control what could the cause?
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Old 15th August 2012, 09:46 PM   #2234
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Quote:
Originally Posted by totski View Post
sorry miles i mean the amp not the protect, amp has shorts on copper lines.Mr Miles another question when i increase volume to maximum, protect activate need to reset to work again load test in 4r and 8r without tone control what could the cause?
Peak current 36A with 8R load... !? Check resistors value and post pictures...
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Old 16th August 2012, 12:14 AM   #2235
totski is offline totski  Philippines
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Peak current 36A with 8R load... !? Check resistors value and post pictures...
you are right sir upon inserting parts to my 2nd amp i found out one resistor (r5,47k) instead i insert a wrong value of 4.7k i think this might be the cause of over current that activated the protect.
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Old 16th August 2012, 01:26 AM   #2236
totski is offline totski  Philippines
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warning! MJE350 FFFFFFFFFFFFFFFake! two of the same thing different types, one is npn the other pnp. diyer's check first
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Old 16th August 2012, 12:02 PM   #2237
AndrewT is offline AndrewT  Scotland
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Peak current 36A with 8R load... !? Check resistors value and post pictures...
I can see why you have a ! followed by a ?
36Apk through 8r0 requires a load Vdrop of 288Vpk !!!
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Old 17th August 2012, 04:00 PM   #2238
totski is offline totski  Philippines
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MR MILE, IS THIS VI LIMITER IN CIRCLE WITH RED? IF I'M NOT WRONG CAN THIS USE IN B500 AND H900?VALUES OF RESISTOR WITH FP WHAT DOES IT MEANS?
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Old 17th August 2012, 06:16 PM   #2239
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MR MILE, IS THIS VI LIMITER IN CIRCLE WITH RED? IF I'M NOT WRONG CAN THIS USE IN B500 AND H900?VALUES OF RESISTOR WITH FP WHAT DOES IT MEANS?
Yes this is VI limiter and it can be use in B500, FP is flame proof resistor but you can use regular 22k 0,5W resistor.
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Old 18th August 2012, 05:28 AM   #2240
44250 is offline 44250  Serbia
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Quote:
Originally Posted by AndrewT View Post
I can see why you have a ! followed by a ?
36Apk through 8r0 requires a load Vdrop of 288Vpk !!!
" !? " usually means something like "i can't beleive..." just like your " !!! " means "do you even know what i am talking about?"

Be a man,not a resistor.
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