Linear Tube Audio

ZOTL40

Amplifier, Power

Main Details
Maker Linear Tube Audio Company David Berning Designer
Function
Channels/Tracks
  • 2 × Channel (input)
Form Factor Desktop
Signal Path Analog Hardware
Made In USA
Date Produced 2015
Frequency Response Frequency response flat from 8 hz to almost 50K hz
Notes 40 watts per channel with little or no hum
Transformer-less design eliminates intermodulation distortion inherent in all transformer designs
Impedance converters simulate correct theoretical output transformer turns ratio
Low impedance output easily matches a wide range of speakers and cannot be damaged with no load
No adjustments – tubes are auto-biased
Automatic protection circuitry
High voltage turn on delay to maximize tube life
10 - 20 years tube life depending on use
Push-pull, Class AB output stage
No heavy power or audio transformers
Universal voltage power supply (autosensing 100-240VAC 50/60Hz)
Has one input through Alps volume control
Second set of inputs bypass volume control for direct input
Uses 4 EL-34s, 2 12AU7s, 2 12AX7s - all premium Tung-Sol tubes (Russian)
One year warranty including tubes (international buyers pay shipping)
Connections
w/ Vol Ctrl
Connector: RCA (Phono, Cinch)
Description: Stereo
w/o Vol Ctrl
Connector: RCA (Phono, Cinch)
Description: Stereo

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