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OTO-PP

Reviews / Documents

Available finishes

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Fascia - Anodised Aluminium or Black Acrylic

(custom colour fascias on request)

Current models

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OTO Line PP

OTO Phono PP

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Details

The OTO PP Integrated Amplifier is Level 1 Pure Class A Push-Pull design, producing an outstanding level of performance.

Available in Line and Phono versions (with an onboard valve MM RIAA stage).

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The OTO PP models have been specifically engineered for sonic performance rather than technical specification, and fulfil all Audio Note (UK) Level 1 criteria: -

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Pure Class A Push-Pull Pentode operation Materials and component quality

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The output transformers are custom designed and manufactured by Audio Note (UK) and are of extremely high quality, offering outstanding, class-leading performance in today’s world of high performance audio.

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Technical Specifications

INPUT IMPEDANCE

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INPUT SENSITIVITY

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MAXIMUM OUTPUT

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CHANNEL BALANCE

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VALVE COMPLEMENT

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UNIT WEIGHT

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UNIT DIMENSIONS

 

MAINS INPUT

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MAX. POWER CONSUMPTION

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NOTE

100K Ohm, Line Level

47K Ohm, Phono input

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220mV Line Level

2mV Phono input

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9 Watts RMS per channel into 4 or 8 Ohm loads

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+/- 0.3dB

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1 x 5670

2 x 6AU6

4 x 6005

1 x ECC83 (Phono models only)

1 x 6DJ8 (Phono models only)

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17 kg

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140mm (h) x 440mm (w) x 410mm (d)

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AC 100-120V / 220-240V  50/60Hz

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100W

 

Due to Audio Note (UK)'s ongoing research and development program, specifications are subject to change without notice.

OTO PP valve complements 01092026.png
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All material copyright Audio Note (UK) Ltd. Unless otherwise stated. Audio Note (UK) Ltd. reserve the right to change, modify, add to, or remove any of the content of this site at any time without prior notice. Further, images on this site may differ from current models or specifications.

© 2026 by Audio Note (UK) Ltd.

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