Difference in sound between sda-1a and rta-12b

carolinaken1
carolinaken1 Posts: 1
edited August 2006 in Vintage Speakers
What's the difference in sound between the rta-12b's and the sda-1a's ? I own a pair of the rta's and wondered if it would be worth the difference I'd have to pay for the sda-1a's ?
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