BDJ Posted September 17, 2019 Report Share Posted September 17, 2019 I bought recently a pair of AR-4x speakers. The grills were never removed. Pots seem to be not functional (maybe they were replaced by L-pads), but the sound is good, although I cannot compare this sound to the original best sound these speaker produced, because this is the first time I have them. Now, there is a little annoying issue: certain jazz acoustic bass sound (like the one of Charlie Haden) results in rattling coming somewhere from speakers, or surroundings, at some low frequencies. Other acoustic bass sounds - like the one from Gary Peacock, do not produce rattling, because they are somewhat flatter. I keep the bass control knob on my amp at neutral, 0. I tested them at 45% volume. I discovered that when I reduce the amp bass control from 0 to -10, I don't hear rattling on those certain frequencies. I drive these speakers with Sony Audio Control Center, 2 x 100 W amp. I wonder if AR-4x speakers are known for producing rattling when too much bass is sent from the amp?? Or, it is probably more likely that they need some repair. I will take them to one vintage stereo repair shop soon, but I wanted to know if anybody else experience this issue. Thanks, BDJ Quote Link to comment Share on other sites More sharing options...
DavidR Posted September 18, 2019 Report Share Posted September 18, 2019 Have you checked the woofer surrounds? They might be rotted. Quote Link to comment Share on other sites More sharing options...
BDJ Posted September 18, 2019 Author Report Share Posted September 18, 2019 2 hours ago, DavidR said: Have you checked the woofer surrounds? They might be rotted. I don't dare to mess with these speakers myself. I will take them to an expert for checkup. Just wanted to know if this is something other people encountered and fixed. Quote Link to comment Share on other sites More sharing options...
JKent Posted September 18, 2019 Report Share Posted September 18, 2019 Be careful if you go to an “expert”. Your 4x’s will need new 20uF capacitors and L-pads but the woofer surrounds are cloth and should be ok. Maybe get a repair estimate and report back here so we can see what the expert proposes. Unfortunately we have seen some botch jobs done by experts. Quote Link to comment Share on other sites More sharing options...
ligs Posted September 19, 2019 Report Share Posted September 19, 2019 I had one AR 18 woofer which rattled. It turned out a part of the the voice coil became unglued. Quote Link to comment Share on other sites More sharing options...
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