Daniel Hertz Maria 350

$15,000.00

2 Channel Amplifier

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Product Description

Daniel Hertz makes only one amplifier – Maria – the very best that Mark Levinson can design. Maria 350 is the stereo (2 channel) model, and Maria 800 is the 4 channel model with active crossovers and time alignment enables for driving bi-amplified speakers.

Maria is a single chassis, all in one audio electronics solution, replacing the DAC, preamplifier, power amplifier, headphone amplifier and interconnect cables, fully programmable active crossovers and time alignment are enabled.

Maria – a paradigm shift in audio amplification personally designed by Mark Levinson

Like the iconic Mark Levinson LNP-2 Preamplifier and Cello Audio Palette, Maria sets a new sonic standard with minimalist design and astonishing quality of finish equivalent to the finest watches and cameras.

As legendary audio journalist Bert Whyte said about Mark’s work in 1972, Maria is, “monetary considerations aside… the premier choice.”

The Daniel Hertz Maria is a high performance amplifier, hand made in Venice, Italy with artisan materials and craftsmanship never used before in an audio product.

Maria sets a new standard of excellence in sound quality and design, with many exclusive advantages for those who refuse to compromise their music. The Daniel Hertz Maria amplifier is named in honor of Mark Levinson’s mother, Maria Hertz Levinson, who in 1966 sold her cello to get the money to buy him the Italian double bass c. 1680 that he plays today. Mother’s love is a category of 1.

Features

Maria includes an independent, internal, no compromise separately tunable headphone amplifier with a ¼” jack on the front panel, that enhances the sound of all good headphones, especially the top high performance models.

Maria’s embedded Mighty Cat software suite includes DH exclusive C Wave technology (patent accepted and approved 2024), which upgrades all digital audio signals on the fly, including streaming, to have the sound and emotion of pure analog audio.

Inputs: 3 analog 1 megohms inputs, digital coax. Speaker outputs: DH in house made speaker connector outputs on the rear panel.

Headphone jack: ¼” headphone jack on the front panel.

Maria’s internal, separately tunable headphone amplifier is second to none in sound quality, with precision tuning available to enhance the sound of all good headphones, especially the top high performance models.

Although compact, light weight, low heat, and highly energy efficient, Maria 350 effortlessly drives the largest, most demanding and expensive speakers on the market, with pure analog sound from streaming, as well as the DH Eva (compact) and Amber (floor standing) models.  

Maria 800 drives the DH bi-amplified speakers M1, M4 and Chiara. The active crossovers  can be programmed to drive any bi-amplified speaker with full control of crossover points, slopes, and levels.  

Maria comes with power cord (for the country of use), usb cable, and carrying case. When a Maria 350 delivered with DH speakers, a 4m pair of cables is included. When Maria 800 is delivered, 4m pair x 2 is included for bi-amplification.

Power output:

Maria 350 (2 channels),

350 Watts per channel (8 ohms) rated power. Maximum power is higher.

Maria 800 (4 channels):

500 Watts per channel (4 ohms) rated power. Maximum power is higher.

Features

Able to drive 2 ohms speaker loads.

Internal headphone amplifier, separately tunable.

Custom in-house made Daniel Hertz speaker connectors.

Hand-built mirror black finished Perspex chassis.

Hand-polished stainless steel knobs and buttons.

Native resolution:

5 Hz – 30 kHz

20Hz to 20kHz +/- 0.2dB

AC Power input:

90V – 250 V

Dimensions:

Height – 110mm (22”)

Width – 430mm (16.9”)

Depth – 330mm (13”)

Fuse:

15 A

Digital inputs:

Digital coax, USB Audio 2.0

USB Audio Class 2.0 (up to 24/192)

Analog inputs:

3 pairs stereo RCA, with 1 megohms input impedance

Analog outputs:

left and right channel speaker outputs via Daniel Hertz speaker connectors.

Headphone output via front panel 1/4″ phone jack.

Maria 800, active crossovers:

Left and right high pass

Left and right low pass

Fully programmable crossover frequencies, slopes, levels, and time delays. Resolution in steps of .1dB.

Brand

Daniel Hertz

Daniel Hertz designs high-performance audio systems that deliver accurate, natural sound. Founded in 2007 by Mark Levinson, the company is named after his father, Daniel, and his mother’s maiden name, Hertz. With decades of experience in high-fidelity audio, Levinson’s new company focuses on sound quality over unnecessary features. Every product is built to reproduce music as it was recorded, without artificial enhancements or distortion.

The company’s C Wave technology addresses the limitations of digital audio in particular. C Wave technology addresses a key problem with digital audio: it often sounds flat and lacks the warmth of analog recordings. Standard digital formats store sound as a series of discrete samples with small gaps between them. While these gaps are too small to notice individually, they can make the music feel less natural and engaging.

C Wave fills in these gaps by reshaping the digital signal to better reflect the way sound waves naturally behave. This results in a listening experience that feels more dynamic, with richer tones, fuller bass, and a sense of space that makes the music feel more like a live performance.

The all-in-one Maria amplifiers replace the need for separate DACs, preamps, and power amplifiers. The Maria 350 offers two channels, while the Maria 800 provides four channels with active crossovers for greater precision. Built in Venice, Italy, each amplifier combines high-quality materials with a simple, functional design.

Daniel Hertz products are made for people who care about sound—not hype. The company’s commitment to quality engineering and innovation ensures a listening experience that stays true to the original recording.

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