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Re: MW6511-MW6510-MW6503-RD-0198-SL3000 BLOWOUT!!!
I can answer this question. The only difference is the mass that is inserted on the bottom of the styrafoam disc. The SW150 in the 1.2tl uses a 70 gram nugget; the SW155 in the 2.3tl has a 40 gram nu…3 · -
Re: Refreshing my RTA 15TLs
I do not like BH5 or any of these resonance-reducing foam sheets on vintage Polk speakers. Every time I tried them, I found it made upper bass sound "tubby" or "chesty". The same …4 · -
Modifications to the RTA 15TL
Introduction and Goals The RTA 15TL was Polk’s top of the line non-SDA model, manufactured from 1990-1992. It features a vertical array of drivers with the tweeter positioned in the center, a configu…1 · -
Re: Cracked Rubber Surround on MW65xx Drivers
After speaking with various engineers, I'm starting to think that this form of degradation is the result of repeatedly pushing the driver hard. These tears might actually be stress fractures cau…1 · -
Re: Distortion on RD0194-1
There's no bracing. Ideally, there should be one from front to back between the driver and passive radiator. The problem is the crossover is mounted higher up in this series, right where the bra…2 ·
