Need info on subs

32deuce
32deuce Posts: 49
edited January 2010 in Troubleshooting
I am needing to find out what type amp is powering these subs.
PSW 202
PSW 250
PSW 303

I've had issues with class D amps and interference, so im hoping any of these 3 are using a class A/B amp to power it. Deuce
Post edited by 32deuce on
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  • 32deuce
    32deuce Posts: 49
    edited January 2010
    Bump..need info asap..Thanks
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  • cnh
    cnh Posts: 13,284
    edited January 2010
    I don't really know if anyone has that info unless they own these and have opened them up. My suggestion is call up Polk Customer Service and see if they have someone there who knows!

    cnh
    Currently orbiting Bowie's Blackstar.!

    Polk Lsi-7s, Def Tech 8" sub, HK 3490, HK HD 990 (CDP/DAC), AKG Q701s
    [sig. changed on a monthly basis as I rotate in and out of my stash]
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  • halo71
    halo71 Posts: 4,603
    edited January 2010
    32deuce wrote: »
    I've had issues with class D amps and interference, so im hoping any of these 3 are using a class A/B amp to power it. Deuce

    Are ya hearing CB radio or cell phone conversations through your subs? :p
    --Gary--
    Onkyo Integra M504, Bottlehead Foreplay III, Denon SACD, Thiel CS2.3, NHT VT-2, VT-3 and Evolution T6, Infinity RSIIIa, SDA1C and a few dozen other speakers around the house I change in and out.
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  • 32deuce
    32deuce Posts: 49
    edited January 2010
    halo71 wrote: »
    Are ya hearing CB radio or cell phone conversations through your subs? :p

    Affecting radio reception. I had a Velodyne, didnt matter where i put it, it put out interference. I called Velodyne, found out sub was a class D. Back to the store it went.

    Tried an Energy sub, same issue. Contacted C.S., they said sub was a class D. Back went that sub.

    Tried a friends Polk psw 110, no interference! Also, the Polk uses a class A/B amp.

    I thought Polk C.S. monitored this link. I guess ill have to give them a call.

    Deuce
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  • rallyshark
    rallyshark Posts: 417
    edited January 2010
    They do monitor this part of the forum, but you're asking about subs that aren't sold anymore I don't think. That's weird that you got the same problem with all those different subs:confused: Do you live really close to a tower? I'm not sure, but isn't that usually indicative of some sort of poor ground issue?
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  • 32deuce
    32deuce Posts: 49
    edited January 2010
    rallyshark wrote: »
    They do monitor this part of the forum, but you're asking about subs that aren't sold anymore I don't think. That's weird that you got the same problem with all those different subs:confused: Do you live really close to a tower? I'm not sure, but isn't that usually indicative of some sort of poor ground issue?

    Problem was with the 2 subs that used class D amps. The Polk of my friend, did not cause interference, and it used a class A/B amp.

    I had read on the net about this issue. I'm one of the unlucky ones to have this problem.

    Also, no tower near me.

    Deuce
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  • cnh
    cnh Posts: 13,284
    edited January 2010
    I've had a couple class D subs with no such problems. But who knows...give the boys a call?

    cnh
    Currently orbiting Bowie's Blackstar.!

    Polk Lsi-7s, Def Tech 8" sub, HK 3490, HK HD 990 (CDP/DAC), AKG Q701s
    [sig. changed on a monthly basis as I rotate in and out of my stash]
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