Zesto Audio Leto Ultra Owner's Manual

Front Controls and LED’s Left Knob is the Volume Control  The volume goes from 0 to 10 and is indicted by the black dot on the front of the knob.  There are no LED indicators.  Volume is adjusted manually by turning the knob or with the remote control.  Adjust the Gain so your normal operating volume is around 12 o’clock. Center Knob is the Presence Control & Mono  The “0” position is the Leto Ultra Preamp without any Presence features engaged.  In “0”position Presence is not connected in the circuit.  Center knob defaults to “0” when it’s tu ...

Detailed Specifications  Remote control Input, Volume, Mute, Mono, Presence and Gain settings  All adjustments can be operated manually (just in case the remote is misplaced)  Frequency response 10Hz to 40Khz ~ 2dB  Distortion ~ 0.013% with 1V RMS input  Signal to noise ~ 100dB below operating level  Non inverting output polarity  Cross talk >90dB  1% metal film resisters throughout  Polypropylene capacitors throughout the audio path Power  Power consumption 28W, 0 drain when off  Voltage 110/120V AC 60Hz  Optional factory installed 220V or 230/2 ...

Table of Contents Thank You …………………………………………………….Page 2 Table of Contents……………………………………………Page 3 What’s in the box…………………………………………….Page 3 Warning and Caution………………………………………..Page 4 & 6 Specifications ……………………………..…………………Page 7 & 8 Rear Panel and Controls……………………………………Page 9 Front Panel Controls…………………………………………Page 10 & 11 Remote and Manual Controls� ...

least six inches of clearance above the unit, 0.5 inch below and an opening behind the unit for airflow. Do not place the unit on a bed, sofa, rug, built-in bookcase, or rack without adequate ventilation. 9. GROUNDING OR POLARIZATION: As a safety feature, the unit may be equipped with a polarized alternating current line plug in which one blade is wider than the other and has an additional grounding blade. This plug will fit into the power outlet only one way. If you cannot insert the plug fully into the outlet, try reversing the plug. If the plug still will not fit, contact a lice ...

Detailed Specifications  Remote control Input, Volume, Mute, Mono, Presence and Gain settings  All adjustments can be operated manually (just in case the remote is misplaced)  Frequency response 10Hz to 40Khz ~ 2dB  Distortion ~ 0.013% with 1V RMS input  Signal to noise ~ 100dB below operating level  Non inverting output polarity  Cross talk >90dB  1% metal film resisters throughout  Polypropylene capacitors throughout the audio path Power  Power consumption 28W, 0 drain when off  Voltage 110/120V AC 60Hz  Optional factory installed 220V or 230/2 ...

Remote Remote has 9 buttons with 6 functions: Volume, Input, Gain, Presence, Mute, & Mono. Mono: The Mono LED is located on the front panel, by the presence control knob. The function is on when the Yellow LED is illuminated. This function adds Left plus Right inputs. Press the Mono button for ON/OFF. Gain: Will sequence with 3dB then 6dB and 9dB every time you press the Gain. The unit will remember the last gain setting for any particular input. Volume: Is adjustable on the remote with the Vol+ or Vol– buttons. Inputs: Will sequence using the In+ or In– button on the remote. ...

17. IMPORTANT SAFETY NOTE: • Before connecting a new product such as the Andros Téssera Phonostage to your audio or home theater system, turn off all other equipment (preferably unplugging them from the AC power source). Many audio components feature automatic turn-on circuits that may activate during an installation, potentially causing damage to electronic components or speakers. This type of damage is not covered by product warranties, and Zesto Audio specifically disclaims responsibility for any such damage. • Power Cord: The removable IEC power cord provided with your uni ...