DAVID BERNING ground breaking prototype ZH-230 OTL amplifier. Face plate was recycled from an EA-230 amp, but the real story is on the back of the amp in Berning's purple marks-a-lot. Amp is in perfect working order and in mint condition. Full description of the ZH-230 can be found here. http://davidberning.com/products/zh230
Operates identically to the production model, including the ability to mix and match 12AU7, 12AT7, and 12AX7 input and driver tubes to implement different feedback, output impedance, and distortion characteristics.
Operates identically to the production model, including the ability to mix and match 12AU7, 12AT7, and 12AX7 input and driver tubes to implement different feedback, output impedance, and distortion characteristics.
- Specifications
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Output: 30 watts per channel
Input Sensitivity: 0.4 to 0.75 V RMS for full power depending on input/driver tube combination
Dimensions: 9.5" wide X 17.5" deep (not including connections) X 5.75" high
Weight: about 12 lbs.
