Spatial Europe Amp No3

Spatial Europe AMP No3 – single-ended 300B tube amplifier, the purest in the range

The 300B: the benchmark of musical authenticity

The Spatial Europe AMP No3 is the flagship of the Spatial Europe amplifier line and the most complete expression of the collaboration between Spatial Europe and British valve specialist Audion. Two 300B output tubes operate in class A, delivering 2 x 8 watts at 8 ohms — consequently more than sufficient for the high-efficiency larger Spatial Europe loudspeaker models. Furthermore, Audion founder Graeme Holland personally matches the output transformers to the impedance and Qts of the chosen loudspeaker model, thereby making every AMP No3 a bespoke unit tailored to its owner's speakers. The AMP No3 is available at Novus Audio in Kampen.

Single-ended 300B topology without feedback

The 300B is the most revered directly heated triode in the audiophile world — above all for its midrange purity, organic dynamics, and three-dimensional spatial presentation. In the single-ended configuration of the AMP No3, the tube operates without negative feedback, therefore preserving the directness and expressiveness of the musical signal in a way that no other amplifier topology can match. The frequency response extends from 8 Hz to 35 kHz, moreover ensuring that neither deep bass nuance nor fine high-frequency detail is compromised. The result is an amplifier that consistently reveals the emotional core of every recording.

WBT NextGen connectors and bespoke output transformers

The AMP No3 sets itself apart from the No1 and No2 through the use of WBT NextGen connectors at both inputs and speaker outputs. These contacts are characterised by minimal contact resistance and optimal signal integrity, thereby allowing the 300B to operate at its full potential. Graeme Holland furthermore matches the output transformers individually to the relevant Spatial Europe model — a service included as standard at no extra charge. The AMP No3 is therefore recommended for the larger Spatial Europe models No2 TSE, No3 TSE, No4, No5, and No6.

Tube rolling with the 300B — a world of possibilities

The AMP No3 is supplied without tubes, making tube rolling an integral part of the ownership experience. The 300B is available from a wide range of manufacturers — from the legendary Western Electric and Linlai to current-production types from JJ, Electro Harmonix, and Psvane. Audion's auto-bias system consequently makes tube swapping straightforward and safe. Furthermore, Spatial Europe recommends NOS driver tubes from Reflektor Silvershield, Siemens, or Telefunken, each contributing a distinct character to the overall presentation. Our specialists are happy to guide you towards the optimal tube complement for your system.

Specifications

• Type: Single Ended stereo tube amplifier (class A)
• Output power: 2 x 8 watts @ 8 ohms
• Frequency response: 8 Hz – 35 kHz (±3 dB)
• Distortion (1 watt): < 0.1%
• Power consumption: 152 watts
• Output tubes: 2 x 300B
• Driver tubes: 6H23N
• Connectors: WBT NextGen (inputs and outputs)
• Output transformers: individually matched to the Spatial Europe loudspeaker model
• Recommended for: Spatial Europe No2 TSE, No3 TSE, No4, No5, No6
• Dimensions (HxWxD): 19 x 23 x 42 cm
• Weight: 14 kg
• Manufacturer: Audion (United Kingdom), exclusively for Spatial Europe

Frequently asked questions

What is the difference between the AMP No2 and the AMP No3?

The fundamental distinction is the output tube — EL34 in the No2, 300B in the No3. The 300B is a directly heated triode with a warmer, more organic, and more spatially convincing character than the EL34. Furthermore, the No3 features WBT NextGen connectors and is specifically recommended for the larger Spatial Europe models No2 TSE through No6.

Which 300B tubes work best in the AMP No3?

Spatial Europe recommends high-quality 300B types such as Western Electric, Linlai, or Psvane for the output stage, and NOS driver tubes from Reflektor Silvershield, Siemens, or Telefunken. Audion's auto-bias system makes virtually any current-production 300B compatible. Contact Novus Audio for personalised advice on the best combination for your budget and musical preferences.

Are tubes included with the AMP No3?

The AMP No3 comes without tubes. Tube choice significantly shapes the sonic character of the amplifier — therefore discuss your preferences with Novus Audio before ordering. Our specialists are happy to recommend the most suitable combination for your system and listening priorities.