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Dunlavy SC-IV bass problem

Hello,

please help that I bought a Dunlavy SC-IV speaker. But, I found the bass of the speaker is not enough. It seems missing some range. I am sure that the speaker driver (Vifa) is work well.

Can someone explain bass problem of Dunlavy SC -IV and teach how to modify it to new version(to use scan speak woofer driver)?

Thank you.
oxfordjack
audiokinesis
2,737 posts
 
You can check the polarity of the wiring on the woofers with a battery.

Connect the + battery terminal to the + speaker input, and the - battery terminal to the - speaker input. The crossover will send the DC voltage from the battery to the woofers, so your mids and tweeters will be safe. Both woofer cones should jump forward. Check this on both speakers.
drew_eckhardt
394 posts
 
Speaker and listener placement has a _lot_ to do with the bass you get out of your speaker. After moving to a new home/room I needed to move my seat forward six inches to avoid a noticeable suck-out.
jjff168
1 posts
 
I think you need more power on the amp(s). No more weak bass after biamping the SC-IV with 2 amps, one tube and one SS for the lows.
doug99
288 posts
 
Jjff168, your bring back a 3 year old thread with a dumb response.
The guy was using a Accuphase P600 amp to power the Dunlavy 1V speakers. .
That Accuphase amp is like 90 pounds and built like a tank.
Its 300 watts.
That is plenty of power for the bass on the Dunlavy 1V speakers.
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