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RE: Atma-Sphere S-30 Mk. 3.2 with BAT VK-5i preamp

The S30 is a wownderful amp and I've heard it with a number of pre-amps (not the BAT) and never a problem. The bigger problem is matching this amp with the right speaker IMO. The amp likes to see a flat high impedance load, the flatter and higher the better. The best match I ever got was with a 16 ohm single driver PHY 16 ohm driver.
If the impedance of the speaker drops below 7-8 ohms it might not work it's magic.

Call Ralph at Atmasphere, he can give you much more detail regarding his designs.

(Dealer disclaimer)


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