Status: Unavailable / No Longer Sold Separately
This listing is maintained for reference and support. The Power Supply PCB Assembly (5601-7371) for the Avalon 700 Series is currently unavailable, and Avalon does not expect replacement boards to be produced in the foreseeable future.
However—your unit can still be repaired.
British Audio is an Authorized Avalon Service Provider, and our technicians can restore full functionality even when complete power supply boards are discontinued. We service these at the component level, replacing only the failed sections, recalibrating the supply rails, and ensuring your unit performs to factory spec.
About This Part (Reference Only)
The Power Supply PCB Assembly originally provided:
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Stable, regulated voltage for all signal and control circuits
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Ultra-low noise performance to maintain Avalon’s signature clarity
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Factory-spec architecture for long-term professional reliability
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Drop-in compatibility with all Avalon 700 Series units
Compatibility:
✔ Avalon 700 Series Studio Gear
Specifications (Reference):
• Type: Power Supply PCB Assembly
• Part Number: 5601-7371
• Function: Provides regulated, low-noise power to the entire unit
This Part Is Not Available — But We Can Fix Your Unit
Power supply failures are one of the most common issues in the Avalon 700 Series, and symptoms may include:
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Unit not powering on
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Hum, noise, or unstable output levels
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Channel dropouts
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Excessive heat or odor
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Intermittent shutdowns
Our team repairs these in-house at the component level, which means:
⭐ No full board needed
⭐ Faster turnaround
⭐ More cost-effective than replacing the entire assembly
⭐ Factory-correct performance once completed
👉 Start a Repair Request Here:
https://britishaudio.com/pages/repair-request
Once received, our certified Avalon technicians will diagnose the issue, rebuild the PSU circuitry if required, and verify all voltages, noise floors, and operational specs before return.
Important Notes
⚠ Professional Service Required
The power supply is one of the most sensitive areas of an Avalon unit. Attempting DIY repair or substituting non-Avalon components can cause further damage to audio paths, transformers, or regulators.
⚠ Not for Sale / No Pre-Orders
This listing is for reference only. The Power Supply PCB Assembly is not available for purchase.
Why Choose British Audio?
As Nashville’s trusted Avalon Authorized Service Provider, British Audio offers:
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Component-level repairs for discontinued PSU assemblies
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Factory-spec testing and calibration
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Direct support relationship with Avalon
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Fast, reliable service for engineers and studios across the U.S.
We keep Avalon gear alive long after parts are phased out.
If you'd like, I can now create a reusable Avalon “discontinued part” template so you can paste in the next listings and update them quickly.
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