David Berning Co. ZOTL Custom MonoBlock Amplifers usedDavid Berning Co. ZOTL Custom Mono Block AmplifersVery rare opportunity to own a one-of-a-kind pair of custom made, bespoke David Berning Co. pure vacuum tube ZOTL mono block amplifiers. I guarantee you will not find another pair of Berning ZOTL ...14895.00

David Berning Co. ZOTL Custom Mono Block Amplifers

Listing ID: lis9a86f Classified 
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Time Left: 11 Days


Asking Price: $14,895.00

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Ships fromHammond, IN, 46324
Ships toWorldwide
Package dimensions27.0" × 18.0" × 20.0" (240.0 lbs.)
Shipping carriersUPS or FedEx
Shipping cost$365.00
Agon miniAverage Research Pricing

Very rare opportunity to own a one-of-a-kind pair of custom made, bespoke David Berning Co. pure vacuum tube ZOTL mono block amplifiers.  I guarantee you will not find another pair of Berning ZOTL vacuum tube mono blocks quite like these.  They are amazingly musical, transparent and dynamic with authority plus amazing drive.  David Berning is a genius designer who has remained at the forefront of cutting edge vacuum tube amplification since the mid 1970's.  These have been my personal reference amplifiers for a number of years and are supremely reliable, having never required any service.  For personal reasons, I have decided to reluctantly offer them for sale to the right discerning buyer and music lover.  These over engineered ZOTL mono amplifiers as you may guess from the photographs are very powerful with enormous headroom. Berning ZOTL amplifiers are renowned for delivering musicality, raw lightning fast dynamic transients, power, thunderous low bass authority and articulation with refinement in spades.  Many special upgrades almost too numerous to list.  Refer below for some details about these extraordinary, ultra reliable vacuum tube amps.  Call me directly to discuss delivery and payment options.  Christopher Thornton  219.933.8115 [email protected]

Output Tubes: (2)  6JN6 Triode / (2) 12AT7 and (1) 12AV7 (Per Mono Block x 2/ea.)
Power Output - Minimum 100W @ 8ohms per channel high current (Stable at lower impedances) will drive literally almost any loudspeaker, including dynamic and electrostatic / planar type.
Class A/B Operation.
Massive power supply features 500,000 microfarad filter capacitance total per ea./ Monoblock. This equates to 1,000,000 microfarad's total. =  Tremendous headroom!
ESL Direct Drive capability - 5000 Volt per channel peak-to-peak configurable for electrostatic loudspeaker use only.
Ultra High Bandwidth Design and DC Coupled.
Fully balanced Internal Design.
Selectable 3-Way Feedback switch LOW, MED and NORM for proper matching of loudspeaker damping characteristics.  No Phase compensation.
Patented Berning ZOTL Output Transformerless pure vacuum tube design.
Cycle by Cycle Auto Biasing vacuum tube circuitry.
Brown out surge protection circuitry built in.
Power Filter and Surge suppressor built in.   
Input Impedance 50k
Custom point-to-point internals hand wired by David Berning.
Pure Silver Coils (Output - Spare set included)
Pure Copper Coils (Output - installed)
Jupiter Copper Foil Paper in wax Coupling Capacitors.
Pure solid core Neotech OFPCC Cryogenically treated internal wire.
Pure Copper Cardas Speaker Binding Posts.
Furutech pure Copper IEC inlet.
Power Requirements:  AC 120v/60Hz mains / 220v/50Hz configuration optional.
Dimensions external:  L 23 1/4" W 13 3/4" H 15"
Weight: 60lbs./ea x 2.

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chris74 member since January 2003

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