diff --git a/pes_to_spec/model.py b/pes_to_spec/model.py
index 44e2ba67f2c6c3d60883e5b944d14b034223822d..7f2fe33a13295eb064479064d0f9ed8c5636975e 100644
--- a/pes_to_spec/model.py
+++ b/pes_to_spec/model.py
@@ -619,9 +619,9 @@ class Model(TransformerMixin, BaseEstimator):
     def __init__(self,
                  channels:List[str]=[f"channel_{j}_{k}"
                                      for j, k in product(range(1, 5), ["A", "B", "C", "D"])],
-                 n_pca_lr: int=1000,
-                 n_pca_hr: int=40,
-                 high_res_sigma: float=0,
+                 n_pca_lr: int=600,
+                 n_pca_hr: int=20,
+                 high_res_sigma: float=0.20,
                  tof_start: Optional[int]=None,
                  delta_tof: Optional[int]=300,
                  validation_size: float=0.05,