Question about Samson Servo 120 Amplifier

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Fuses keep blowing on my Samson Servo 120a - Samson Servo 120 Amplifier

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If after putting in the right rating of fuse you have a blow out, then you must diconnect the speakers and test. If the fuse hold ok then the speakers must be checked for shorting or fault in the network. However if the fuse still blows off, then you will need to take out the cover to test within the main board for the power section or output section malfunctioning. First of all discconnect the power to the output stages and test, if fuses blows check the powersuppy section, the rectifier to the main capacitors for reduced values. If not check on the output stages, the drivers, the predrivers for malfunctioning. However you will need some knowledge of electronics to probe stage by stage to isolate the fault.If not get help to proceed. Good day

Posted on Aug 04, 2010

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I bought a 3.15A/250V- 220 V for my servo 240 and it keeps on blowin everytime i put on a new one.


Fuses blow when there's an overload. Nine times out of ten this is caused by a short-circuited device on the heatsink.

Jul 10, 2014 | Samson Audio Players & Recorders

1 Answer

Hi, i have been suggested first a Samson servo 600, then a sx1200 is there a difference between the 2? is one better than the other?


the servo series is geared more towards studio applications and/or installs, while the sx series are geared for live pa applications. the servo 600 is 300 watts per channel @ 4 ohm, and the sx1200 is 450 watts per channel at 4 ohms. the sx amp can also be bridged over to mono mode, where it puts out, i think, 1100 watts mono.

the only variable i havent been able to cover is sound quality, and im not seeing those listings in the specs on the samson website

Jan 12, 2011 | Samson SX1200 Amplifier

1 Answer

Schematic for samson servo 300?


http://www.eserviceinfo.com/index.php?what=search2&searchstring=Samson+servo+300

Jan 11, 2011 | Samson Servo 300 2-Channel Amplifier

1 Answer

No sound coming with protection light on


It's either overheated or you may have faulty speaker wiring or a shorted speaker. These directions come from a Samson servo 120a but the theory is the same.

The following conditions will cause the Protection LED to go on:

Initial power-up: For approximately five seconds after initial power-up, the relay

speaker connection circuitry is deactivated and the speaker output is muted. If everything is operating normally, you will hear an audible click at the conclusion of this brief period, as the circuitry is activated and the Servo 120a begins delivering signal to connected speakers (at which point the Speaker LED will light if the Speaker on/off switch is in its "in" position). It is normal for the Protection LED to fade gradually after the amplifier is powered off.

Overheating: A temperature sensing device in the Servo 120a will cause the relay speaker connection circuitry to be activated (and the Protection LED to go on) whenever the operating temperature of the unit rises above a safe level. To guard against this problem, make sure the Servo 120a receives adequate ventilation on all sides ; in extreme environmental conditions, you may also

want to consider the use of cooling fans.

Severe overcurrent conditions: This occurs whenever the signal being output

from the Servo 120a rises to a level above 20% THD (Total Harmonic Distortion).

Shorted speaker cables: This will occur if, due to faulty wiring, the hot and ground signals being output by the Servo 120a short to one another.

Output impedance drops below 2 ohms: This can occur if the Servo 120a is connected to inappropriate speaker systems (see the "Setting Up and Using the Servo 120a" section in this manual for more information).

DC voltage detected at speaker output: The most likely cause of this is an internal failure. In general, any time the Protection LED lights up (other than during the approximately five seconds following initial power-up), there is reason to be concerned. If this occurs, turn the Servo 120a off immediately and carefully check all wiring and external devices in order to locate and correct the condition that caused the LED to light up in the first place.

Dec 27, 2010 | Samson Servo 170 Amplifier

1 Answer

I need the Samson servo 300 circuit diagram. THANKS a lot! Regards Carlos


I dont have The diagram
Carlos sorry :O[
can you find the "Bridge" switch?

Aug 11, 2010 | Samson Servo 300 2-Channel 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

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

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