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Orchard Audio Starkrimson 25 Mono Premium – GaN Transistor Amplifier

27.06.2025 05:25 | ~1 minute read

Orchard Audio has introduced the Orchard Audio Starkrimson 25 Mono Premium mono power amplifier. The model uses class D circuitry with GaN transistors in the output stage.

 

Orchard Audio Starkrimson 25 Mono Premium
Orchard Audio Starkrimson 25 Mono Premium. Image source - (c) Orchard Audio

GaN transistors move electrons up to 1,000 times more efficiently than silicon – so the model promises very fast and powerful sound. Based on the Starkrimson Mono model, the new Starkrimson 25 features an increased switching frequency of up to 1.1 MHz. The new product also demonstrates a damping factor of 600.

 

Orchard Audio Starkrimson 25 Mono Premium
Orchard Audio Starkrimson 25 Mono Premium. Image source - (c) Orchard Audio

The Starkrimson 25 Mono Premium monoblock is equipped with an improved output filter and features a fully balanced concept from input to output. The device provides 150 watts of power when operating at a load of 8 ohms and 200 watts at 4 ohms. The gain can be adjusted from 21.5 dB to 16.8 dB

 

Orchard Audio Starkrimson 25 Mono Premium
Orchard Audio Starkrimson 25 Mono Premium. Image source - (c) Orchard Audio

The Orchard Audio Starkrimson 25 Mono Premium will be available soon. At launch, there will be a special price of $1,099.95 for a single monoblock. The recommended retail price of the amplifier will be $1,249.95 after that.

Specifications

This product is in the Hi-Fi and High End Electronics and Acoustics database

Power amplifiers mono — Orchard Audio STARKRIMSON 25 MONO PREMIUM

  • Model name

    STARKRIMSON 25 MONO PREMIUM

  • Input sensitivity (mV)

    N/A

  • Input impedance (balanced) (Ω)

    N/A

  • Input impedance (single-ended) (Ω)

    N/A

  • Output impedance (balanced) (Ω)

    N/A

  • Output impedance (single-ended) (Ω)

    N/A

  • Max current (A)

    N/A

  • Output power (8Ω) (W)

    150

  • Output power (4Ω) (W)

    200

  • Gain (dBu)

    21.5 dB or 16.8 dB

  • Frequency response low +/- 3dB (Hz)

    N/A

  • Frequency response high +/- 3dB (Hz)

    N/A

  • Signal to Noise Ratio (dB)

    N/A

  • Total Harmonic Distortion + Noise (0% global feedback) (%)

    N/A

  • Total Harmonic Distortion + Noise (100% global feedback) (%)

    N/A

  • Max power consumption (W)

    N/A

  • Damping factor

    > 650

  • Dimensions (mm)

    269 x 155 x 79

  • Weight (kg)

    N/A

  • Official link

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