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sub wiring question

i just bought 2 SPL Velodyne sub ,im using them for 2 chanel music , the sub has SPEAKER LEVEL INPUT and RCA LEVEL INPUT , im using A308 cr musicalfidelity power amp , my amp has rca output , so my question is which way should i connect between SPEAKER INPUT or RCA INPUT , could you guys tell me which way the best for my sub , and without
affecting the performance of the amplifier ,Any help would be amazing.
duypham
martykl
3,578 posts
 
Re: Kal's comment on NHT X-2

I use an X-2 for high pass and an SMS for low pass and EQ

IMHO, this is a "best of all worlds" solution, but I thought maybe more complicated than the OP wanted to hear about.

Marty

PS the auto EQ on the SPLR subs leaves something to be desired. The SMS satisfies those desires.
racamuti's avatar
racamuti
362 posts
 
Use the speaker level inputs, it lets the flavor of your main amp come through the subs amps and blend better with your main speakers.
duypham OP
22 posts
 
Use the speaker level inputs, it lets the flavor of your main amp come through the subs amps and blend better with your main speakers.

speaker level input has lelf and right so which one should i connect, because im using two subs , do i need to use biwire or just single wire
Post removed 
martykl
3,578 posts
 
A few quick further notes:

I used a pair of SPLR 8 subs (recently replaced) in my 14'x23'x17'high room. IME, if you want flat, extended bass response, the internal EQ in the SPLRs won't get you there. I had 3 significant suckouts below 100hz which couldn't be addressed as well as audibly diminished SPLs below 40 or 45 hz.

Replacing the 8" Velodynes with 12" subs reduced the need for EQ dramatically. However, the SMS was still tremendously valuable in determining the best location for the new subs.

Kal has much more experience with these devices than I do, so I'd believe him when he says that you can do better than the SMS-1. However, since my experience in 2 channel room analysis + bass EQ is limited to this device, I can offer no comparative assessment - other than to no room analysis + bass EQ at all. I can tell you - pretty much unequivocally - that the SMS is MUCH BETTER than no room analysis + bass EQ at all.

The SMS allowed essentially ruler flat response to 25hz with the SPLR 8s.

Marty

PS Replacing the subs didn't substantially change the on-axis, in-room response, but it did significantly change the sound of the system. I mention this because I don't want to overstate the impact of room analysis + bass EQ. Clearly, there's more to it than merely flat response. However, flat response (from either set of subs) was - IMHO - vastly superior to the alternative.
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