Tube amplifiers: single-ended 300B, 2A3, 45, 845, 813 and tantalum triodes
Ulixes
Phono stage for MM or MC: one chassis, solid-state as standard; tube, two-chassis and MM/MC versions to order
- Cartridges
- MM / MC
from $13,900
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Hades
Class D amplifier with a built-in DAC — 70 W stock, up to 1 kW, for headphones and loudspeakers
- Power per channel
- 70 W
- Circuit
- Class D
- DAC
- Built in
from $14,500
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Bellerophon
Class AB amplifier on Toshiba bipolar transistors with a DAC of your choice, from 25 W
Part of the Invictus Valour collection
- Power per channel
- From 25 W
- Circuit
- Class AB
- DAC
- Built in
from $18,700
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Demograf Audio
Endymion
Pure Class A single-ended amplifier on 845, 211 or 805 triodes, 15–25 W
- Output tubes
- 2 × 845
- Power per channel
- 15–25 W
- Circuit
- Class A
from $36,200
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Demograf Audio
Ether
Class A single-ended amplifier on GM-70 Triode / GK-71 Pentode transmitting tubes, 25 W
- Output tubes
- 2 × GM-70 Triode / GK-71 Pentode
- Power per channel
- 25 W
- Circuit
- Class A
from $42,300
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Demograf Audio
Helios MkII
Class A single-ended integrated amplifier on G-811 triodes, 15 W
- Output tubes
- 2 × G-811
- Power per channel
- 15 W
- Circuit
- Class A
from $22,900
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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
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Demograf Audio
Tantal Senior
Class A single-ended amplifier on tantalum 4E27 tubes, 30 W
- Output tubes
- 2 × vintage tantalum 4E27 pentodes
- Power per channel
- 30 W
- Circuit
- Class A
from $56,800
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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
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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
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Demograf Audio
Tantal
Class A amplifier on 3C24 tantalum-anode triodes, 3 W, with an electrostatic headphone output
- Output tubes
- 2 × 3C24
- Power per channel
- 3 W
- Circuit
- Class A
from $20,500
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Demograf Audio
Hector
A transformer-volume preamplifier in two versions: tube or solid-state
from $14,500
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Demograf Audio
Ulixes
Phono stage for MM or MC: one chassis, solid-state as standard; tube, two-chassis and MM/MC versions to order
- Cartridges
- MM / MC
from $13,900
Discover
Demograf Audio
Hades
Class D amplifier with a built-in DAC — 70 W stock, up to 1 kW, for headphones and loudspeakers
- Power per channel
- 70 W
- Circuit
- Class D
- DAC
- Built in
from $14,500
Discover
Demograf Audio
Bellerophon
Class AB amplifier on Toshiba bipolar transistors with a DAC of your choice, from 25 W
- Power per channel
- From 25 W
- Circuit
- Class AB
- DAC
- Built in
from $18,700
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No models match these filters.
Tick 2–4 models to compare them side by side.
| General | Amplification & tubes | Power & load | Inputs & outputs | Controls & build | Mains, size & weight | Price | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model | ||||||||||||||||||||||
| Endymion | Tube amplifier | Universal: loudspeakers and headphones | — | 2 (stereo) | Pure Class A | 2 × 845 (211 / 805 optionally) | — | 2 × AL4 (EF55 optionally) | 4 × 6D22S (2 × 5C3S optionally) | 845: 20 W per channel at 8 Ω, single-ended (push-pull option: ×2); 211: 15 W per channel at 8 Ω, single-ended (push-pull option: ×2); 805: 25 W per channel at 8 Ω, single-ended (push-pull option: ×2) | 8 Ω (4 Ω / 16 Ω winding available on request) | External chassis: 4 × 6D22S kenotrons, galvanic isolation, choke filters, custom-wound transformers | Analogue RCA (optional: balanced XLR) | 6.3 mm TRS, XLR 4-pin (optionally: 2.5 mm, 3.5 mm, 4.4 mm Pentaconn, dual XLR 3-pin, electrostatic) | Binding posts (optionally: Demograf Audio terminals) | ALPS potentiometer (optionally: Demograf Audio stepped attenuator) | Ground-lift switch | Proprietary “RareCoreFusion” Alloy wire (other options available) | 100 / 120 / 230 V — set at order time, plug to match (NEMA, Schuko, BS 1363 / type G) | From 45 kg / 99 lb | From 450 × 450 × 250 mm | from $36,200 |
| Ether | Tube amplifier | Universal: loudspeakers and headphones | — | 2 (Stereo) | Pure Class A | 2 × GM-70 Triode / GK-71 Pentode | — | 2 × AL4 (EF55 optionally) | 4 × 6D22S for a warmer/darker tone or 2 × 5C3S for a brighter signature (option) | 25 W per channel at 8 Ω (Push-Pull version with double power available on request) | 8 Ω (Optional: 4 Ω / 16 Ω customisation) | — | Analogue RCA (Optional: Balanced XLR) | 1 × 6.3 mm TRS, 1 × XLR 4-pin (Optional: 2.5 mm, 3.5 mm, 4.4 mm Pentaconn, dual XLR 3-pin, or Electrostatic/EST connector) | Standard binding posts (Demograf Audio terminals optional) | ALPS potentiometer (Demograf Audio stepped attenuator optional) | Ground Lift switch (selectable ground loop isolation) | Proprietary “RareCoreFusion” Alloy wire (other options available) | 100 / 120 / 230 V — set at order time, plug to match (NEMA, Schuko, BS 1363 / type G) | About 130 kg / 287 lb in total: amplifier about 30 kg, power supply about 100 kg | From 450 × 450 × 250 mm | from $42,300 |
| Helios MkII | Tube amplifier | Universal: loudspeakers and headphones | — | 2 (Stereo) | Pure Class A | 2 × G-811 or other types optionally | 6P3S | 2 × 6Zh4 or other types optionally e.g. EL8 / ML6 etc. | 2 × 6D22S for a warmer/darker tone or 1 × 5C3S for a brighter signature (option) | 15 W per channel at 8 Ω (Push-Pull version with double power available on request) | 8 Ω (Optional: 4 Ω / 16 Ω customisation) | — | Analogue RCA (Optional: Balanced XLR) | 1 × 6.3 mm TRS, 1 × XLR 4-pin (Optional: 2.5 mm, 3.5 mm, 4.4 mm Pentaconn, dual XLR 3-pin, or Electrostatic/EST connector) | Standard binding posts (Demograf Audio terminals optional) | ALPS potentiometer (Demograf Audio stepped attenuator optional) | Ground Lift switch (selectable ground loop isolation) | Proprietary “RareCoreFusion” Alloy wire (other options available) | 100 / 120 / 230 V — set at order time, plug to match (NEMA, Schuko, BS 1363 / type G) | From 45 kg / 99 lb | From 450 × 450 × 250 mm | from $22,900 |
| Atlas | Tube amplifier | Universal: loudspeakers and headphones | — | 2 (Stereo) | Pure Class A | 2 × 300B | — | 2 × 6Zh4 or other types optionally e.g. EL8 / ML6 etc. | 2 × 6D22S for a warmer/darker tone or 1 × 5C3S for a brighter signature (option) | 5 W per channel at 8 Ω (Push-Pull version with double power available on request) | 8 Ω (Optional: 4 Ω / 16 Ω customisation) | — | Analogue RCA (Optional: Balanced XLR) | 1 × 6.3 mm TRS, 1 × XLR 4-pin (Optional: 2.5 mm, 3.5 mm, 4.4 mm Pentaconn, dual XLR 3-pin, or Electrostatic/EST connector) | Standard binding posts (Demograf Audio terminals optional) | ALPS potentiometer (Demograf Audio stepped attenuator optional) | Ground Lift switch (selectable ground loop isolation) | Proprietary “RareCoreFusion” Alloy wire (other options available) | 100 / 120 / 230 V — set at order time, plug to match (NEMA, Schuko, BS 1363 / type G) | From 45 kg / 99 lb | From 450 × 450 × 250 mm | from $24,200 |
| Tantal Senior | Tube amplifier | Universal: loudspeakers and headphones | Maestro Series | 2 (Stereo Layout) | Pure Class A | 2 × vintage tantalum 4E27 pentodes (1930s–1940s production, individually selected) | 2 × EF55 (M034 Anode-Filament Transformer Stage) | 2 × 6Zh4 | 4 × 6D22S | 30 W per channel at 8 Ω (4 Ω / 16 Ω winding available on request) | 8 Ω (Customisable to 4 Ω or 16 Ω via options) | — | Analogue RCA (Optional: Balanced XLR Stage) | 6.3 mm TRS, XLR 4-pin, STAX type (Optional: 4.4 mm Pentaconn etc.) | Heavy-duty Demograf Audio speaker binding posts | Transformer volume control (TVC) with an Elma stepped switch | — | Proprietary “RareCoreFusion” Alloy wire (other options available) | 100 / 120 / 230 V — set at order time, plug to match (NEMA, Schuko, BS 1363 / type G) | From 75 kg / 165 lb | From 450 × 450 × 250 mm | from $56,800 |
| Solaria | Tube amplifier | Universal: loudspeakers and headphones | — | 2 (Stereo) | Pure Class A | 2 × 45 tubes | — | 2 × 6Zh4 or EL8 / ML6 / AL4 / EF14 optionally | 2 × 6D22S — darker tone; or 1 × 5C3S — brighter signature | 2 W per channel at 8 Ω (Push-Pull version with double power available on request) | 8 Ω (Optional: 4 Ω / 16 Ω customisation) | — | Analogue RCA (Optional: Balanced XLR) | 1 × 6.3 mm TRS, 1 × XLR 4-pin (Optional: 2.5 mm, 3.5 mm, 4.4 mm Pentaconn, dual XLR 3-pin, Electrostatic/EST) | Standard binding posts (optional: Demograf Audio plugs) | ALPS potentiometer or optional Demograf Audio Custom Stepped Attenuator | Ground Lift switch (selectable ground loop isolation) | Proprietary “RareCoreFusion” Alloy wire (other options available) | 100 / 120 / 230 V — set at order time, plug to match (NEMA, Schuko, BS 1363 / type G) | From 45 kg / 99 lb | From 450 × 450 × 250 mm | from $27,800 |
| Eurybia | Tube amplifier | Universal: loudspeakers and headphones | — | 2 (Stereo) | Pure Class A | 2 × 2A3 | — | 2 × 6Zh4 or other types optionally e.g. EL8 / ML6 etc. | 2 × 6D22S for a warmer/darker tone or 1 × 5C3S for a brighter signature (option) | 2 W per channel at 8 Ω (Push-Pull version with double power available on request) | 8 Ω (Optional: 4 Ω / 16 Ω customisation) | — | Analogue RCA (Optional: Balanced XLR) | 1 × 6.3 mm TRS, 1 × XLR 4-pin (Optional: 2.5 mm, 3.5 mm, 4.4 mm Pentaconn, dual XLR 3-pin, or Electrostatic/EST connector) | Standard binding posts (Demograf Audio terminals optional) | ALPS potentiometer (Demograf Audio stepped attenuator optional) | Ground Lift switch (selectable ground loop isolation) | Proprietary “RareCoreFusion” Alloy wire (other options available) | 100 / 120 / 230 V — set at order time, plug to match (NEMA, Schuko, BS 1363 / type G) | From 45 kg / 99 lb | From 450 × 450 × 250 mm | from $26,600 |
| Tantal | Tube amplifier | Universal: loudspeakers and headphones, with an E-Static output for electrostatic headphones | Maestro | 2 (Stereo) | Pure Class A | 2 × 3C24 (tantalum anode) | — | 2 × 6Zh4 or other types optionally e.g. EL8 / ML6 etc. | 2 × 6D22S | 3 W per channel at 8 Ω (Push-Pull version with double power available on request) | 8 Ω (Optional: 4 Ω / 16 Ω customisation) | — | Analogue RCA (Optional: Balanced XLR) | 1 × 6.3 mm TRS, 1 × XLR 4-pin, 1 × STAX type (Optional: 4.4 mm Pentaconn etc.) | Standard binding posts (Demograf Audio terminals optional) | ALPS potentiometer (Demograf Audio stepped attenuator optional) | Ground Lift switch (selectable ground loop isolation) | Proprietary “RareCoreFusion” Alloy wire (other options available) | 100 / 120 / 230 V — set at order time, plug to match (NEMA, Schuko, BS 1363 / type G) | From 45 kg / 99 lb | From 450 × 450 × 250 mm | from $20,500 |
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