Question about Samson Servo 170 Amplifier

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Hi - I need to replace the Power Transformer on my Samson Servo 170 - it is marked "Dong 2828081300 DSA3 - I think the secondary winding is centretapped either 28 - 0 - 28 or 30 - 0 - 30 - but can you tell me what the current rating needs to be - the Bridge rectifier appears to be rated at 8 amp. Many Thanks Chris M

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SOURCE: Samson Servo 170 - 1 dodgy channel

http://www.soundonsound.com/forum/showflat.php?Cat=&Number=403253&Main=351397

Posted on Dec 17, 2007

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mixculture
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SOURCE: Samson Servo 170 Amplifier

check see if youy have some coving the vent or the speak connect right

Posted on Dec 22, 2007

  • 236 Answers

SOURCE: Samson Servo 170 protection circuit problem!

my friend resistors and diodes don't just go off your circuit without a real problem. those parts gave up because of shortage on your power section, i suggest that you check your power transistros first along with the diodes and resistors.

noisy transformers... hmmmm why is that making sound? the solution there is to dip the power transformer to a thick shellac varnish let it there for let's say an hour then let it dry for a day. then place it back in your unit and see if still sounds

Posted on Aug 13, 2008

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1 Answer

Blown Samson servo 170


Hi,
The amplifier have problem with the out put drive section. Repairing of such an amplifier should be done by a skilled person. there should be need of repacing so many components if the out put driver transistor is short. If you make any mistake the components you change will also go in to fire.

Ajin

Mar 31, 2012 | Samson Servo 170 Amplifier

1 Answer

Samson servo 300 right channel low output power protection on.Left channel ok.


Hi...

This amp will need to be serviced

Check on the web for someone who does audio/stereo repair in your area

Jan 22, 2010 | Samson Servo 300 2-Channel Amplifier

1 Answer

When i turn my servo 170 on the protection light cums on so does the left channel clip light


Disconnect your speakers and see if the same thing happens. If it does not, then you have a problem with your speakers - possibly too many wired in parallel. If the amp. still shuts down, then it'll have to go in for repair.

Jul 23, 2009 | Samson Servo 170 Amplifier

1 Answer

Can I use my amp with PA speakers?


Yes, but stay within the "ohms" limit of the amp.(probably 4 ohm or greater)
Paul

Jun 09, 2009 | Samson Servo 170 Amplifier

1 Answer

Hi when i turn on my servo 170 my protection lite stays on


One of the channels in the amp is bad. That channel will need tobe replaced. You may need to take it to a repair shop.

Nov 12, 2008 | Samson Servo 170 Amplifier

1 Answer

Samson Servo 170 protection circuit problem!


my friend resistors and diodes don't just go off your circuit without a real problem. those parts gave up because of shortage on your power section, i suggest that you check your power transistros first along with the diodes and resistors.

noisy transformers... hmmmm why is that making sound? the solution there is to dip the power transformer to a thick shellac varnish let it there for let's say an hour then let it dry for a day. then place it back in your unit and see if still sounds

Aug 11, 2008 | Samson Servo 170 Amplifier

1 Answer

Samson Servo 170 Amplifier


check see if youy have some coving the vent or the speak connect right

Dec 05, 2007 | Samson Servo 170 Amplifier

1 Answer

Samson Servo 170 - 1 dodgy channel


http://www.soundonsound.com/forum/showflat.php?Cat=&Number=403253&Main=351397

Dec 02, 2007 | Samson Servo 170 Amplifier

3 Answers

Amp power


Make shure with an ohm meter that the primary and secondary windings have very little resistance on the main trasformer,then check voltage in trasformer and out from transformer...BIGRED

Sep 02, 2007 | Audio Players & Recorders

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