Making its official debut at AXPONA 2018, the Ultralinear is now available to order!
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The ZOTL Ultralinear is the latest amplifier design by David Berning, utilizing his Zero-hysteresis audio design and custom power supply. It outputs about 18 watts per channel using 17JN6 tubes, a Compactron-style TV sweep tube that can't be easily used in traditional transformer-coupled amplifier designs. The ZOTL circuit is able to take advantage of these great-sounding, under-utilized tubes, and in this case does so in what can be considered the only Ultralinear amp without traditional output transformers.