Question about Samson Resolv 65a Main / Stereo Speaker

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Samson 65a: power good, speakers good , LEDs lit, no sound at all?

Power sup is good/voltage good. LED are lit up. Speaker is functional/tested. Absolutely no sound out of the amp.

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The Knight

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Check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Pull up older posts. Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
http://electronicshelponline.blogspot.com/

Posted on Oct 11, 2016

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1 Answer

65a Resolv studio monitors. The left one just blew out -- maybe. The blue LED stays dim, as though the monitor has been sleeping. When I power off the monitor, the speaker gives a loud pop, and the cone...


You are getting DC offset voltage on one of your amplifiers that is the reason the speaker pushes out and you might be hearing a humming noise too. Do not turn on the speakers till you get it fixed or else you would end up burning the speaker voice coil too.The dim blue LED is also an indication of a short circuit in the output stage.
Your left amplifier needs a output chip (IC ) replacement. You will need professional help to do that. Will cost you about 20$ plus service charges.

Jun 27, 2011 | Samson Resolv 65a Main / Stereo Speaker

1 Answer

Tweeter is cutting in and out


need to open up speaker and check connections on tweeter. Check closely on tiny wires from magnet(voice coil) to paper cone

Jan 04, 2011 | Samson Resolv 65a Main / Stereo Speaker

1 Answer

Hum coming from one speaker


Not good. you may have a blown amplifier. To check this, put a volt meter across the speaker terminals with the amp hooked up and off. Turn the amp on with the volume set to minimum and check for any voltage at the speakers. you should have no DC voltage (less than .1 volt) at the speakers. hope this helps

Jan 03, 2011 | Samson Resolv 65a Main / Stereo Speaker

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

2 Answers

Hi There the fuse just blew in one of my Samson


Hi there
To answer your question;
If it is not indicated near the fuse holder then look closely at the metal end caps of the fuse.
The value will be written on one of them,
It may look like 2A/250v for 2amps.

Hope this help
Cheers

Jun 14, 2010 | Samson Resolv 65a Main / Stereo Speaker

1 Answer

Tweeters will not put out sounds, they do not look blown.


You need to go inside and isolate the tweeters. Then with a 1.5volt battery apply the + to + etc for a second. If it pops it's working and the problem is in the crossover. If not it's dead!

Feb 23, 2010 | Samson Resolv 65a Main / Stereo Speaker

1 Answer

My tweeters are blown on my Samson Resolve 65a monitors...anyone know what I should get (and where) to replace 'em?


It might tell you on the back of the tweeter what rating they are. I should do a webserch for Samson spares and see what it comes up with.

Feb 02, 2010 | Samson Resolv 65a Main / Stereo Speaker

1 Answer

Samson Resolv 65a monitor repair


Its prob a dry solder joint problem.

http://www.gearslutz.com/board/low-end-theory/314545-samson-rubicon-r5a-problem.html

Jan 14, 2008 | Samson Resolv 65a Main / Stereo Speaker

3 Answers

Samson Resolv 65a Speaker - No Power!


There's a fuse input just underneith the mains input plug.A small screwdriver will open the small latch.You can get new fuses at Maplins.

Jan 07, 2008 | Samson Resolv 65a Main / Stereo Speaker

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