# O6 Protect Tune - Top and Bottom Speakers

## Tune Details

- **File name**:
  - _Device_: CS35L41 revB2
  - _Firmware Version_
    - _Protect_: Playback 6.47.0
    - _Calibration_: Playback 6.47.0
    - _Diagnostics_: Playback 6.47.0
  - _Signal Chain_:
    - _Protect_: Protect Lite
    - _Calibration_: Calibration
    - _Diagnostics_: Calibration and Diagnostics
- **Amplifier Gain**: 17.5dB

### Changelog

#### 20210329_120hpf - PB6.47.0

- Top speaker incorrectly had hpf as 150hz. Corrected fcutoff parameter on top speaker protect tunes.
  - All other files same as _20210323 - PB6.47.0_
- Renamed package and protect tune naming convention to match accompanying 20210329_150hpf tune package.

#### 20210323 - PB6.47.0

- Recharacterized and retuned with EVT Bucks (3 samples each Buck)
  - Bottom Speaker
    - **xmax**: 0.4mm
    - **tmax**: 120C
    - **hpf**: 120Hz
  - Top Speaker
    - **xmax**: 0.45mm
    - **tmax**: 130C
    - **hpf**: 120Hz

#### 20210319 - PB6.45.0

- Lowered tmax and xmax limits per customer request
  - Top Speaker
    - **xmax**: 0.4mm -> 0.3mm
    - **tmax**: 120C -> 110C
    - **hpf**: 150Hz (Unchanged)
  - Bottom Speaker
    - **xmax**: 0.45mm -> 0.35mm
    - **tmax**: 130C -> 120C
    - **hpf**: 150Hz (Unchanged)

#### 20210122 - PB6.45.0

- Recompiled 20201221 tune for PB 6.45.0. No changes to tune.

#### 20201221

- Initial Tune

---

### Included Files

**Readme (This file)**

- readme.md

**Protect, Calibration, and Diag bins with R Trace**
_For use in actual phone_

- Bottom\o6Bottom_calAndDiag_20210323_pb6.47.0_17.5dB_withRtrace.bin
- Bottom\o6Bottom_cal_20210323_pb6.47.0_17.5dB_withRtrace.bin
- Bottom\o6Bottom_protect_120hpf_20210323_pb6.47.0_17.5dB_withRtrace.bin
- Top\o6Top_calAndDiag_20210323_pb6.47.0_17.5dB_withRTrace.bin
- Top\o6Top_cal_20210323_pb6.47.0_17.5dB_withRTrace.bin
- Top\o6Top_protect_120hpf_20210323_pb6.47.0_17.5dB_withRTrace.bin

**Protect & Calibration files without R trace**
_For use on Lochnagar 2 development platform_
_JSON files contains both protect and calibration deploy groups_

- Bottom\o6Bottom_protect_120hpf_20210323_pb6.47.0_17.5dB_noRTrace.json
- Top\o6Top_protect_120hpf_20210323_pb6.47.0_17.5dB_noRTrace.json

**Labsuite Files**

- Bottom\o6Bottom_protect_120hpf_20210323_pb6.47.0_17.5dB_noRtrace.exported_tuning
- Bottom\o6Bottom_protect_120hpf_20210323_pb6.47.0_17.5dB_withRtrace.exported_tuning
- Bottom\o6Bottom_protect_120hpf_20210323_pb6.47.0_17.5dB_noRtrace.parameters
- Bottom\o6Bottom_protect_120hpf_20210323_pb6.47.0_17.5dB_withRtrace.parameters
- Top\o6Top_protect_120hpf_20210323_pb6.47.0_17.5dB_noRtrace.exported_tuning
- Top\o6Top_protect_120hpf_20210323_pb6.47.0_17.5dB_withRtrace.exported_tuning
- Top\o6Top_protect_120hpf_20210323_pb6.47.0_17.5dB_noRtrace.parameters
- Top\o6Top_protect_120hpf_20210323_pb6.47.0_17.5dB_withRtrace.parameters

**Firmware Files**
_Each firmware wmfw is in a folder respective for which type of bin file it is for_

- Firmware\Cal\halo_cspl_RAM_revB2_29.49.0.wmfw
- Firmware\Diag\halo_cspl_RAM_diag_revB2_29.49.0.wmfw
- Firmware\Protect\halo_cspl_RAM_revB2_29.49.0.wmfw

**Tune Reports**

- CustomerTuneReports\o6Bottom_20210323_6.47_CustomerTuneReport.pdf
- CustomerTuneReports\o6Top_20210323_6.47_CustomerTuneReport.pdf

---

## Speaker Parameters

### Top Speaker

| PARAMETER                           | VALUE            |
| ----------------------------------- | ---------------- |
| **IEC Rated Noise Power (nominal)** | 1 [W]            |
| **Xmax (0-Peak)**                   | 0.45 [mm]        |
| **Maximum Coil Temperature (Tmax)** | 130 [C]          |
| **Coil co-efficiency (Tk)**         | 0.00393          |
| **DC Resistance**                   | 6 [Ohms]         |
| **Resonance Frequency**             | 780 [Hz] +/-10 % |
| **RTrace**                          | 0.3 [Ohms]       |
| **ReDC Max Delta**                  | 0.6 [Ohms]       |

### Bottom Speaker

| PARAMETER                           | VALUE               |
| ----------------------------------- | ------------------- |
| **IEC Rated Noise Power (nominal)** | 1 [W]               |
| **Xmax (0-Peak)**                   | 0.4 [mm]            |
| **Maximum Coil Temperature (Tmax)** | 120 [C]             |
| **Coil co-efficiency (Tk)**         | 0.00346             |
| **DC Resistance**                   | 6.9 [Ohms]          |
| **Resonance Frequency**             | 890 [Hz] +/-80 [Hz] |
| **RTrace**                          | 0.3 [Ohms]          |
| **ReDC Max Delta**                  | 0.69 [Ohms]         |