Zesto Audio Leto Preamplifier

2012-05-25T08:15:55+00:00May 25th, 2012|Home|7 Comments

Zesto Audio is about to launch their latest product, the Leto Preamp. The Leto Preamp will debut at the upcoming T.H.E. Show Newport, high-end audio show, in Newport Beach, California, U.S.A. this June 1st, 2nd & 3rd, 2012.

Zesto has described the new Leto Preamp as keeping in the same warm, musical and quiet character as their Andros Phonostage.

The Leto Preamp is claimed to use components that add nothing that could compromise the signal path with the only active components being the vacuum tubes that add a warm musical sound. The Leto uses balanced floating transformers for the inputs and outputs to maintain cleanness.

Each of the Leto Preamps will be hand made in the USA with a 50 hour factory burn in on all circuits and vacuum tubes.


5 Inputs: 3 single-ended and 2 balanced transformer inputs with a maximum input level of 4 Volts RMS
4 Outputs: 2 balanced transformer outputs and 2 single ended with a maximum output level of 10Volts RMS/+20dB
Independent ground lift switches on the left and right Single Ended outputs
1 set of Single Ended Cinema bypass outputs from input #1
Frequency response 10Hz to 100Khz – 1dB with 10K Ohm load
Distortion ~ 0.02% at 1V RMS input
Gain 12dB
Signal to noise ~ 100dB below operating level
Non inverting output polarity
Cross talk >90dB
Front panel adjustable balance control
Remote control volume, mute and mono
Remote bypass switch on rear panel (just in case the remote is misplaced)
1% metal film resisters throughout
Polypropylene capacitors throughout the audio path
Power consumption 27W, 0 drain when off
Voltage 110/120V AC 60Hz
Optional factory installed 240V AC 50/60Hz
Standard 3 pin IEC power connector
Recessed RCA and XLR connectors are Gold plated with an isolated ground.
Two internal high quality linear regulated power supplies, 250V and 12V
Two (2) Gold pin JJ ECC83S/12AX7 vacuum tubes
Two (2) Gold pin JJ ECC82/12AU7 vacuum tubes
High quality ceramic sockets
Dimensions 17” W X 12” D X 5” H
Weight 23 lbs.
16 gauge zinc plated steel enclosure
Isonode anti-vibration feet
Two year limited warranty
Six months warranty on Vacuum Tubes

Expected MSRP is: $7500 U.S.  For more information and complete specifications please visit www.zestoaudio.com.

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