Please please don't say that about pd 1850's that is very shallow. PD 1850's are (were) good but they absolutely do not compare to RCF P300's. i find PD drivers poorly built through out the range especialy these days! please take the time to do a simple A-B test on both drivers and come back to me? you will find that the P300 out performs any PD driver in every respect. FACT!
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