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Old 10th December 2011, 09:53 AM   #401
irwanks is offline irwanks  Indonesia
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my work, sr200 with 1 pair transistors was supplied by 40vac 5 ampere transformer. Sound had nice bass and mid.
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Old 10th December 2011, 10:16 AM   #402
amptech is offline amptech  Scotland
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A quick tidy up with some cable ties....
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Old 10th December 2011, 10:22 AM   #403
irwanks is offline irwanks  Indonesia
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Sir apex, What is the rating watt for 10 ohm resistor between signal ground and ground (1/4 or 1/2 or 1 or 2 watt) ? What is the rating watt for 220 ohm resistor between emitor 2sc4793 and emitor 2sa1837 (1/4 or 1/2 or 1 or 2 watt) ? What is the rating for coil (1uH or 2uH or 10uH, or etc) ? Thank you very much.
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Old 10th December 2011, 10:24 AM   #404
irwanks is offline irwanks  Indonesia
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A quick tidy up with some cable ties....
Thank you for your ideas
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Old 10th December 2011, 01:38 PM   #405
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Originally Posted by irwanks View Post
Sir apex, What is the rating watt for 10 ohm resistor between signal ground and ground (1/4 or 1/2 or 1 or 2 watt) ? What is the rating watt for 220 ohm resistor between emitor 2sc4793 and emitor 2sa1837 (1/4 or 1/2 or 1 or 2 watt) ? What is the rating for coil (1uH or 2uH or 10uH, or etc) ? Thank you very much.
U can use 1W resistors and 4uH coil (post #43)
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Old 11th December 2011, 02:11 AM   #406
irwanks is offline irwanks  Indonesia
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U can use 1W resistors and 4uH coil (post #43)
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Thank you sir, i will change it. I use one 2k 1 watt resistor before zf15v for 40vac transformer. Is it allright?
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Old 11th December 2011, 04:18 AM   #407
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Thank you sir, i will change it. I use one 2k 1 watt resistor before zf15v for 40vac transformer. Is it allright?
Use 2k2/2W
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Old 11th December 2011, 12:27 PM   #408
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Sir Apex I have measured volts on 100r resistor and I have 850mv and 2mv on out, is it ok that I use TL071 instead Lf411 and what about TL081
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Old 11th December 2011, 12:38 PM   #409
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Sir Apex what do you think about this security system it is for 6 chanel but only for 32+- volts what can I do to use it for 40+-vdc psu
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Old 11th December 2011, 12:54 PM   #410
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Sir Apex I have measured volts on 100r resistor and I have 850mv and 2mv on out, is it ok that I use TL071 instead Lf411 and what about TL081
That's OK
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