# Apex CP1504

- Amplifier
- model: [Apex CP1504 CloudPower](https://apex-audio.be/cloudpower/)
- offer name: APG DA 6 DANTE Amplifier with DSP 4 x 1500W @ 8ohm 4ohm 2ohm 70V 100V 8kg
- specs:
  - [2021 specs](https://apex-audio.be/wp-content/uploads/2021/04/CloudPower-Datasheet_CP1504.pdf)
  - [2025 specs](https://apex-audio.be/wp-content/uploads/2025/04/ _Four_Channel_Dante_Tech_Datasheet_280425.pdf)
- [manual](https://apex-audio.be/wp-content/uploads/2025/04/CloudPower-User-Manual-V3_7_UL.pdf)
- See [[Audio#Dante]] for software on Linux

## Grinding fans

- model: HD4020F12M
- oem: HR(www.hoorayfan.com)
- ![apex fans photo](attachments/ApexCP1504-fans.jpg)
- V/R points:
  - 12.00V / 0.070A
  - 12.00V / 0.070A
  - 10.76V / 0.065A
  - 10.09V / 0.060A
  - 9.85V / 0.0.60A
  - 8.96V / 0.0.55A
  - 8.03V / 0.050A
  - 7.93V / 0.050A
  - 6.41V / 0.045A
  - 5.86V / 0.040A
  - 4.67V / 0.035A
  - 3.76V / 0.03A

## Replacement fans
- model: HD4020F12M
- oem: HR(www.hoorayfan.com)
- ![apex fans photo](attachments/ApexCP1504-fans.jpg)
- V/R points:
  - 12.00V / 0.08A
  - 11.85V / 0.07A
  - 10.10V / 0.06A
  - 8.36V / 0.05A/
  - 6.68V / 0.04A
  - 4.90V / 0.03A
  - 3.25V / 0.02A


## Broken spacer

- H: 39.70mm
- W1 x H1: 99.8mm x 9mm
- W2 x H2: 105.8mm x 13mm
- W3 x H3: 109.8mm x 18mm
- base-W: 99.75mm
- base-depth: 15.35mm
- wall-thickness: 1.5mm
- base-thickness: 1.2mm


[Audio#Dante]: audio.md "Audio"