It is not at all unusual these days to find manufacturers producing "matched" speakers and amplifiers that are designed specifically for one another. But it is very unusual to find this being done by an amplifier manufacturer who doesn't make loudspeakers. The Futterman H3-A is one of these raritiesan amplifier designed primarily to complement one of the best, and one of the hardest-to-drive loudspeakers on the market: the KLH Model Nine.
We tested two samples of the ADC-1 phono cartridge, both of which were taken from a dealer's stock. One was a demonstrator that had been in use for some months. The other was brand new, right off the shelf. Both were tested in an Empire 98 tonearm and in a Gray 108-C tonearm with its damping lightly adjusted, but results with both cartridges were for all intents and purposes identical in both arms.
Magnepan founder Jim Winey could be considered the patriarch of planar loudspeakers. His innovative leadership of and commitment to the technology over the past 20 years have propelled Magnepan to a position of preeminence in the speaker business. You won't find any hybrids rolling off the production line at Magnepan's corporate headquarters in White Bear Lake, Minnesota. The entire Magnepan line is devoted strictly to planars that use ribbon tweeters and quasi-ribbon midranges and woofersnot a stray dynamic woofer in the lot!