synon Posted December 26, 2014 Share Posted December 26, 2014 I recently acquired some new speakers from a friend, one of those is a RW-8. It had been several years since he used it, but he said it worked great. Power light comes on, but it's extremely quiet. I've tried the LFE port, a mono cable to the left or right channel, and a Y-cable to the L/R channels which seems to be the best, but even when I turn the volume knob on the sub all the way up it's very difficult to tell it's producing bass over the other speakers (bookcase KSB 1.1). If I disconnect the bookcase speakers and only have the sub connected, I can turn the volume on the receiver up and get some decent sound out of it, but as crazy as it seems... I don't want to listen to JUST the bass. I've maxed all the volume controls for the sub on the receiver as well, and the sub still barely audible over the other small speakers. Any suggestions? I only know the very basics, but I can't figure out what I'm doing wrong here. I'm using this with a Denon AVR-1706 receiver, I've also tried it with a Sherwood RD-7106 with the same result (connected to sub pre-out). Quote Link to comment Share on other sites More sharing options...
Jim Posted December 26, 2014 Share Posted December 26, 2014 (edited) How big is the room? What are the dimensions? I have the KSB 1.1's and they are hooked up to a 10" powered sub. If the room is large, you can try hooking the sub up with the high input from the receiver to the sub, then the KSB's to the high output of the sub if you aren't getting any real sound from it when hooked up with the cable only. Did you adjust the receiver to pick up the sub when hooked up? The sub may not be big enough for the room also. Edited December 26, 2014 by Jim Quote Link to comment Share on other sites More sharing options...
synon Posted December 26, 2014 Author Share Posted December 26, 2014 The room is about 10x20, I literally have to put my ear inches from the sub to hear anything. I did adjust the receiver to recognize the sub, as well as give it a boost of +15db in addition to the volume on the sub being all the way up. I don't see any high level output on the sub, just in. I'd eventually like to use all this why my center/floorstand speakers if I can figure out what's wrong. Quote Link to comment Share on other sites More sharing options...
CECAA850 Posted December 26, 2014 Share Posted December 26, 2014 You need to figure out if it's the source or the sub. Try an I-pod or CD player as a source. If it's still quiet with all controls maxed out, it's the sub amp. Have you told your receiver you have a sub? You can max the settings out but until you say ""yes" or "on" in the bass management section you're not getting a signal. Be sure your speakers are set to small as well. Quote Link to comment Share on other sites More sharing options...
synon Posted December 26, 2014 Author Share Posted December 26, 2014 I've tried a laptop and a phone as my source, and two difference receivers. It is producing some sound, when I have the receiver do a speaker check and it cycles through each speaker I do hear the sub grumble. All the other speakers are set to small as well. Quote Link to comment Share on other sites More sharing options...
Scrappydue Posted December 26, 2014 Share Posted December 26, 2014 When you tried the phone and turned the volume up did it work Properly? Quote Link to comment Share on other sites More sharing options...
CECAA850 Posted December 28, 2014 Share Posted December 28, 2014 I've tried a laptop and a phone as my source, and two difference receivers. It is producing some sound, when I have the receiver do a speaker check and it cycles through each speaker I do hear the sub grumble. All the other speakers are set to small as well. Sounds like sub amp then. Quote Link to comment Share on other sites More sharing options...
Charley Posted November 30, 2021 Share Posted November 30, 2021 Wouldn’t a line level input bypass the sub amp, so that the OP’s attempt at all different sub inputs rules that out? Quote Link to comment Share on other sites More sharing options...
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