Collection

Legacy 300B, 45 and 2A3 Tube Amplifiers

Classic tube amplifiers on the 300B, 45 and 2A3 triodes, from the vintage era of tube audio.

Demograf Audio Solaria, side view with tubes and transformer covers

Atlas · 300B

Colour and warmth

The 300B gives music colour and warmth, with a sweet, organic midrange.

Demograf Audio Atlas, amplifier on the bottom shelf of a rack with other units

Solaria · 45

Speed and saturation

The 45 has a dense, saturated tone, and a faster bass that hits harder.

Demograf Audio Solaria, chassis with transformer covers and side connectors

Eurybia · 2A3

Tonal weight

The 2A3: a dense, full bass and a heavy, saturated midrange, immersive and free of fatigue.

Demograf Audio Eurybia, dark-wood amplifier front panel with tubes beside power supply

Heritage

Natural and unforced

The vintage heritage of the great era of tube audio: each type of tube with a presentation all its own.

Demograf Audio Atlas, power supply in a wooden case on a rack shelf

About the collection

The Legacy collection: Atlas on the 300B, Solaria on the 45 and Eurybia on the 2A3, single-ended amplifiers on classic directly heated triodes, built to order.

Legacy means heritage: the vintage era of tube audio and its classic output triodes, the 300B, the 45 and the 2A3.

Atlas runs two 300B, Solaria two 45 and Eurybia two 2A3, single-ended in pure Class A. Each type of tube has a presentation all its own.

Download the brochurePDF · EN · 0.7 MB

Explore the Legacy collection

All Atlas Solaria Eurybia

Atlas

Tube amplifier

Class A single-ended integrated amplifier on 300B triodes, 5 W

Output tubes
2 × 300B
Power per channel
5 W

from $24,200

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Models

Atlas

Class A single-ended integrated amplifier on 300B triodes, 5 W

Output tubes
2 × 300B
Power per channel
5 W
Circuit
Class A

from $24,200

Discover

Solaria

Class A single-ended integrated amplifier on 45 triodes, 2 W

Output tubes
2 × 45 tubes
Power per channel
2 W
Circuit
Class A

from $27,800

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Eurybia

Class A single-ended integrated amplifier on 2A3 triodes, 2 W

Output tubes
2 × 2A3
Power per channel
2 W
Circuit
Class A

from $26,600

Discover
Demograf Audio Atlas — tube amplifier, glowing tubes on a light-wood chassis on a coffee table by a lamp

Demograf Audio

Atlas

Class A single-ended integrated amplifier on 300B triodes, 5 W

Output tubes
2 × 300B
Power per channel
5 W
Circuit
Class A

from $24,200

Discover

Demograf Audio Solaria — tube amplifier, side panel with nameplate and connectors, low angle

Demograf Audio

Solaria

Class A single-ended integrated amplifier on 45 triodes, 2 W

Output tubes
2 × 45 tubes
Power per channel
2 W
Circuit
Class A

from $27,800

Discover

Demograf Audio Eurybia — tube amplifier, render, dark-wood amplifier with tubes and power supply on a table

Demograf Audio

Eurybia

Class A single-ended integrated amplifier on 2A3 triodes, 2 W

Output tubes
2 × 2A3
Power per channel
2 W
Circuit
Class A

from $26,600

Discover

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