Progression S350

£28,998.00

Inspired by the elegant faces of classic Swiss watches, the Progression S350 Stereo is fronted by an exposed movement power meter. Featuring two 90° needle swing arms

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Progression S350

Power and Performance

Progression S350 Stereo

The Progression S350 Stereo Amplifier adds a potent stereo option to the Progression family.

Leveraging their innovative Super Rail circuitry, the Progression S350 Stereo Amplifier exploits this unique technology delivering remarkable control and fidelity to any connected loudspeaker.

Every amplifier employs a voltage rail, actually two, a positive one and its companion negative partner.

Voltage rails support the delivery of power to the speaker.

The music signal swings between these two rails but due to natural loss, the musical signal never reaches the output rails’ full capability.

Dandagostino Super Rail overcomes this limitation.

Borrowing the idea of a turbo in a car engine, the Super Rail employs higher voltage rails in the sections prior to the output stage.

This voltage “boost” allows the musical signal to exploit the full capability of the output voltage rails.

Extending the musical signal swing closer to the output rails maximises the performance of the output circuitry design itself.

The result is improved dynamics, lower distortion, and a fierce grip of the speaker.

Substantial Foundation

Progression S350 angled

Abundant power is required for realistic sound quality and is a cornerstone of Dan D’Agostino Master Audio Systems’ amplifier design.

The Progression Stereo continues this practice.

A graceful anodised Aluminum chassis houses a 2,000 VA power supply transformer coupled to nearly 100,000 microfarads of power supply storage capacitance.

Paired to this foundation is a fully complementary driver stage, and output circuitry outfitted with 48 power transistors – 24 each for the left and right channels generating an imposing output.

Initially used in the Relentless Mono, the output power device provides the foundation for an upgraded output stage.

This transistor extends high frequency response, increases power handling 50%, and features tighter tolerance gain matching between complementary NPN/PNP pairs.

A wider safe operating area and superior gain linearity provides greater thermal stability throughout the amplifiers’ power delivery.

Coupling the new output device to the high efficiency heat sink design affords an increase in operating bias.

Higher operating bias lowers crossover distortion improving instrument timbre and tonal reproduction.

The Progression Stereo delivers 350 Watts into 8 Ohms and delivers 700 Watts into 4 Ohms, and properly doubles its output again into 2 Ohms, with a 1,400 Watt power output.

The essence of live music, dynamic contrasts, are faithfully reproduced with leading edge transients spectacularly depicted.

Elegantly Powerful

Inspired by the elegant faces of classic Swiss watches, the Progression S350 Stereo is fronted by an exposed movement power meter.

Featuring two 90° needle swing arms, a high-speed ballistic circuit enhances the meter’s responsiveness.

Longer swing arms improve readability across the amplifier’s entire output range.

Drawn directly from the Relentless Mono Amplifier, each heatsink is milled from a single, 22-kilogram aluminum billet slab.

This highly efficient elliptical form dramatically improves the cooling ability of the design and assures that the Progression S350 Stereo Amplifier runs safely and reliably even when delivering its full-rated power.

Standard finishes include silver and black with custom painted finishes available on request.

Combining innovative circuitry and significant power, the Progression S350 Stereo amplifier provides loudspeakers the control element they need to achieve their full design expression.

Specification Progression S350

Specification Progression S350

Signal-to-Noise Ratio

105 dB, unweighted / 75 dB A weighted

Finish

Silver or Black with Custom Finishes Available Upon Request

Total Harmonic Distortion

350W @ 8Ω .015% @ 1 kHz

Input Impedance

100 KΩ

Output Impedance

0.1Ω

Power

350 watts @ 8Ω 700 watts @ 4Ω 1,400 watts @ 2Ω

Distortion

Inputs

2 balanced XLR

Dimensions

17.875 x 9.0 x 23.0 in / 45.4 x 22.9 x 58.4 cm

Weight

115lb / 52.2 kg

 

Brand

Dan D'Agostino

Dan D'Agostino

THE PIONEER OF HIGH-END, HIGH-POWERED AUDIO AMPLIFICATION

No name is more closely associated with high-end audio amplifiers than that of Dan D’Agostino. During his career of more than 35 years, D’Agostino pioneered countless advances in the design of amplifiers, preamplifiers, CD players, and surround-sound processors. He is known as the audio industry’s most passionate promoter of high-quality, high-powered amplification. Makers of the world’s finest loudspeakers rely on D’Agostino-designed amplifiers for their most important demonstrations. Dan D’Agostino was founder and chief engineer of Krell Industries through 2009. Since the inception of DDMAS in 2011, energised with a new organisation and new state-of-the-art designs, the products that bear his name not only achieve new levels of sound quality, they also look like nothing else in the industry. The new designs combine an elegant aesthetic flair coupled to inventive circuit topologies and innovative materials. Starting with the Momentum Mono amplifier, the D’Agostino product line now extends upwards to the awe inspiring Relentless Mono amplifier and outwards to the new Progression Integrated amplifier. The Relentless Mono Amplifier is an all-out assault on the amplifier category. Capable of driving any speaker to its fullest capability, the extraordinary power output of the Relentless Mono is only matched by its sublime low volume sound quality. The Progression Integrated amplifier connects the high-performance core of D’Agostino products to the exciting world of streaming audio with Tidal, Quobuz, and Spotify services as standard offerings. They are proud to say the Progression series components are hand built in the USA, by their team of craftsmen and technicians, in their Arizona facility. As impressive as these designs may sound on paper, the only way you can truly appreciate their warmth, detail and unmatched beauty is to experience them

Additional information

Colour

Black, Silver

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