I have a multi-room (outdoor speaker set) hooked up to my Marantz SR7400 driven by a Sonamp 2120T MKII. I recently moved and re-installed everything, including my outdoor speakers. The day it was first installed, the outdoor speakers worked but the Multi-Room system on the Marantz stayed on all the time--causing it to heat up. I was able to turn off the Multi-Room, but now when I turn it back on, the Sonamp won't kick on as it should--and so therefore no outdoor speakers. I believe I pressed some buttons accidently on the Marantz or the remote--and now the Sonamp doesn't get the audio signal from the CD line out and won't kick on. Do you have any suggestions?
An expert who has achieved level 3 by getting 1000 points
An expert that got 10 achievements.
An expert that got 5 achievements.
An expert that has over 10,000 points.
Amplifiers &... Master
Re: Marantz SR7400 Multi-Room with Sonamp 2120T MKII
A possible overheating on the device has cause the unit to malfunction. It's possible that because of that overheating on the unit some parts have given up, and broke.. This happen occured when overheating on the unit, and sometimes it may go to shut down and not powering on..
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
I reckon the line out is for connecting the pre-amp section to a powered amp. Which is why you are hearing the weak signal. In which case it's clear to me that for some reason the power amp section in your Sonance is dead! Since it's a stereo amp it's something that has killed both channels. Like a power-amp IC such as the picture I'm posting below. Or something else that is accross both channels, but not the pre-amp section.
When an eletronic devices shuts down, it is usually caused by an overload in the circuit. You can try connecting a different speaker to it to see if does the same thing. If that do not work it is needs repair.
I am assuming you are using the standard sonamp 260 not a 260x3 and that when you say you are getting sound on only 1 pair that means only on 1 side (left or right channel only?)
Are using a speaker selector box? you must to regulate the resistance (ohms)
if so first unhook all but on pair of speakers and see if both channels are working.
if they do your problem is in the speaker selector not the amp if no then check to see what the amp level is set to. These are the two small holes on the front right of amp make sure they are set about equal at around half way up.
If that doesn't work flip the RCA cables coming to the amp perhaps you have a bad cable if that doesn't work make sure your receiver (source) is outputing a stereo signal to begin with.
lastly 8 sets of speakers off 1 amp? that's pushing it.even with a high quality Niles or speakercraft selector that controls the resistance going to an amp I wouldn't go past 5 sets.
The right way to do it would be to use 260x3 or a sonance or speakercraft 12 channel amp.
Here you go bro:
You need to get the multi room speaker distribution box, it will allow you hook up many speakers without damaging your amplifier. You will overload the amplifier if too many speakers are attached to amplifier.
See MCMELECTRONICS.COM such as P/N 50-2202
The Sonamp 275 has Signal LEDs on the front panel, above the Volume pots. If signal is present at the RCA inputs, the Signal LEDs will be blinking.
Most likely, there isn't any line level audio signal coming from the receiver. Hook RCAs to Tape Output or MD output and check system using the Tuner which is an analog signal.