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Stereo Subs - Do they need to be identical?

I'm thinking of getting a couple of subwoofers to mate with my MBL 121 monitors. Generally, I've seen setups where people use two subs of the same brand and size. I'm wondering whether it can make sense to use two different sizes. For example - a Venoyne DD12 and a DD15. I'm likely going to go with Velodyne DD series or JL Audio.

In particular, I note that the big Velodyne 1812 uses an 18 inch and 12 inch woofer, with suppsed benefits in terms of speed (12 inch) and extension and depth (18 inch).
outlier

Showing 1 response by sogood51

sogood51
2,157 posts
 
Because you are are going to be using the subs, for more than just the bottom octave with your monitors...I would go with two of the exact same subs. You ear may pick up on any tone differences between the two subs.

If you were only going to use the subs for the lowest octave (20-40hz)...I doubt it would matter if the subs were an exact match...those freq's are well below what your ear can hear.

Dave
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