PA 8 Ultra MK3 - Galtech Trading

Amplifier

Back panel with audio inputs, fans, and power switch

StormAudio amplifier, black brushed metal finish.

Back panel of StormAudio PA 8 Ultra amplifier.

Back panel of audio amplifier with many connectors

Black StormAudio amplifier with brushed metal front.

Black StormAudio amplifier with minimalist design

Black StormAudio audio amplifier with minimalist design

STORM AUDIO

PA 8 Ultra MK3

8-CHANNEL POWER AMPLIFIER

Audio

Cinema

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Description

The PA 8 Ultra MK3 is StormAudio's 8-channel reference amplifier — engineered with Pascal Audio and built around UMAC Class D modules paired with four individual UREC power supplies delivering up to 3 kW of total power capacity. It is the heart of an immersive system, pumping 200 W per channel into 8 ohms or 400 W into 4 ohms across all eight channels.

When bigger SPLs or LCR/subwoofer duty calls, four bridged BTL channels deliver up to 800 W RMS at 8 ohms with 32 dB of gain. THD+N is held below 0.005% at 1 W and signal-to-noise sits at 115 dB, with frequency response extending from 10 Hz to 50 kHz (-3 dB CEM).

Ethernet remote monitoring via StormMonitoring, USB service access and 12 V triggers tie it cleanly into any StormAudio ISP-based system.

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Manifacturer Warranty

Our brands provide full warranty coverage on all listed products.

Tech Support

We provide system support to dealers and installers by offering product guidance, installation and wiring, product troubleshooting, and control programming to ensure optimal performance.

Free Demo

Dealers and installers can book a demo to experience the products in our showroom and learn more.

Training

Dealers and installers receive training on product specs and programming controls to enable effective and convenient distribution. Dealers and installers will be well prepared to meet their clients' needs and expectations.

Specs

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Specification	Value
Channels	8 (SE) or 4 (BTL bridged)
Amplifier Class	UMAC Class D (developed with Pascal Audio)
Power Supplies	4 x UREC, up to 3 kW total
Power Output (SE, 8 ohm)	200 W RMS per channel
Power Output (SE, 4 ohm)	400 W RMS per channel
Power Output (BTL, 8 ohm)	800 W RMS per channel
Power Output (BTL, 4 ohm)	800 W RMS per channel
Gain (SE)	26 dB
Gain (BTL)	32 dB
THD+N (1 W)	< 0.005%
THD (20 Hz–20 kHz)	< 0.03% (1 W to -1 dB max power)
Signal-to-Noise Ratio	115 dB (P-rated)
Frequency Response	10 Hz – 50 kHz (-3 dB CEM)
Inputs	8 x XLR balanced
Control	Ethernet (StormMonitoring), USB service, 12 V trigger in/out
Form Factor	3U rack
Dimensions (W x D x H)	490 x 441 x 130 mm
Weight	21 kg net (46.3 lbs)