Replacing Roon - What Should I get?

@erik_squires +1 regarding cooling comments.  
 

“ 

CPU thermal throttling is an automatic protective mechanism built into modern Central Processing Units (CPUs) designed to prevent hardware damage from overheating .

Here is a breakdown of what it is and how it works:

### What is CPU Thermal Throttling?
Thermal throttling occurs when the CPU's temperature exceeds a predetermined safe threshold, often referred to as $T_J$ Max (maximum thermal junction temperature) . [[1]](https://www.pugetsystems.com/support/guides/thermal-throttling/) This critical temperature is typically around **90°C to 100°C** for many CPUs, though it can vary by model . [[1]](https://www.pugetsystems.com/support/guides/thermal-throttling/)[[2]](https://www.lexar.com/global/blog/Thermal-Throttling-What-Is-It-and-How-to-Prevent-It/?id=13)

### How It Works
1.  **Heat Generation:** When the CPU performs complex calculations or runs demanding applications (like gaming or rendering), it draws more power and generates significant heat . [[3]](https://www.makeuseof.com/what-is-cpu-thermal-throttling/)
2.  **Temperature Limit Reached:** If the heat is not dissipated effectively by the cooling system (due to dust, poor airflow, or an inadequate cooler), the CPU temperature rises rapidly . [[3]](https://www.makeuseof.com/what-is-cpu-thermal-throttling/)[[4]](https://camomileapp.com/blog/cpu-thermal-throttling/)
3.  **Protective Action:** To prevent permanent damage from this excessive heat, the CPU's internal thermal management system automatically intervenes . [[4]](https://camomileapp.com/blog/cpu-thermal-throttling/)[[5]](https://www.cyberpowerpc.com/blog/what-is-thermal-throttling/)
4.  **Performance Reduction:** The CPU reduces its **clock speed** (frequency) and sometimes its voltage . [[2]](https://www.lexar.com/global/blog/Thermal-Throttling-What-Is-It-and-How-to-Prevent-It/?id=13)[[4]](https://camomileapp.com/blog/cpu-thermal-throttling/) This reduction in speed lowers the amount of heat the processor generates, allowing it to cool down to a safer operating temperature . [[2]](https://www.lexar.com/global/blog/Thermal-Throttling-What-Is-It-and-How-to-Prevent-It/?id=13)[[5]](https://www.cyberpowerpc.com/blog/what-is-thermal-throttling/)

### Impact on Performance
The direct consequence of thermal throttling is a **reduction in computational performance** . [[3]](https://www.makeuseof.com/what-is-cpu-thermal-throttling/)
*   When the clock speed drops, the CPU can process fewer calculations per second, leading to noticeable slowdowns, stuttering, or lower frame rates in games and applications . [[4]](https://camomileapp.com/blog/cpu-thermal-throttling/)[[5]](https://www.cyberpowerpc.com/blog/what-is-thermal-throttling/)
*   In severe cases, a CPU under thermal throttling can perform significantly below its maximum capability . [[4]](https://camomileapp.com/blog/cpu-thermal-throttling/)

### Why It Happens
The primary cause is **inefficient heat dissipation**, which can stem from:
*   Dust buildup clogging fans and heatsinks, restricting airflow . [[2]](https://www.lexar.com/global/blog/Thermal-Throttling-What-Is-It-and-How-to-Prevent-It/?id=13)[[6]](https://www.youtube.com/shorts/iJ0GdrvYxSU)
*   Inadequate cooling solutions for the CPU's heat output .
*   Overclocking, which pushes the CPU to generate more heat than it was originally designed for . [[2]](https://www.lexar.com/global/blog/Thermal-Throttling-What-Is-It-and-How-to-Prevent-It/?id=13)[[3]](https://www.makeuseof.com/what-is-cpu-thermal-throttling/)

While throttling itself is a safety feature and not inherently damaging, the fact that it is occurring means your cooling system is struggling to keep up with the workload . [[1]](https://www.pugetsystems.com/support/guides/thermal-throttling/)[[3]](https://www.makeuseof.com/what-is-cpu-thermal-throttling/)

---
Learn more:
1. [All About Thermal Throttling | Puget Systems](https://www.pugetsystems.com/support/guides/thermal-throttling/)
2. [Thermal Throttling—What Is it and How to Prevent it | Lexar Global](https://www.lexar.com/global/blog/Thermal-Throttling-What-Is-It-and-How-to-Prevent-It/?id=13)
3. [What Is CPU Thermal Throttling and How Does It Affect Performance? - MakeUseOf](https://www.makeuseof.com/what-is-cpu-thermal-throttling/)
4. [CPU Thermal Throttling - Complete Guide - Camomileapp Blog](https://camomileapp.com/blog/cpu-thermal-throttling/)
5. [What is Thermal Throttling? - CyberPowerPC](https://www.cyberpowerpc.com/blog/what-is-thermal-throttling/)
6. [What Is Thermal Throttling And How Does It Affect Performance? - YouTube](https://www.youtube.com/shorts/iJ0GdrvYxSU) “

I suspect that under ideal circumstances even with DSP engaged Nucleus One is sufficient. The problem is most likely bad and inefficient code that causes CPU over utilization and memory leaks and eventually results in this thing cannibalizing itself. A hard reboot will flush it and it will get back to normal for a short period of time…a day or two may be slightly longer. 
It’s been completely fine today after I powered it down last night. Very responsive.  No issues. 
 

Those who report no issues - does your core run 24/7 or do you shut it down frequently?

Hi, Marcin here – creator of JPLAY.

First of all, thank you for the kind words about the app. JPLAY is still relatively new and we're actively and intensively developing it. I've gone through your posts in this thread and taken notes on the feedback and feature requests you'd like to see – really appreciate you taking the time to share that.

Regarding the playback stops – I wanted to clarify that these are not glitches in the app. JPLAY acts as a remote control – it sends a command and the track URL to your streamer (UPnP renderer), and from that point it's the streamer itself that fetches and plays the audio. JPLAY does not touch the audio data at any point.

When a stream stops mid-track, it means the renderer (your streamer) momentarily lost its ability to pull the data from the network. This is typically caused by network configuration issues – things like Wi-Fi instability, or having multiple control apps running at the same time.

A few things worth trying: make sure your streamer is on a wired 1Gbit Ethernet connection, close any other control apps running in the background (including Roon), and check your router configuration (e.g. DNS settings). Rebooting router, modem and access point is sometimes worth doing. 

If you'd like help troubleshooting, feel free to reach out to us at [email protected] 

Best regards,
Marcin
 

Have you considered Audirvana?

@miles765 

Hi Ya Miles. Are your Innuos servers Roon Cores?