diff --git a/docs/consensus_mergers.md b/docs/consensus_mergers.md
index 807d885..57a9c27 100644
--- a/docs/consensus_mergers.md
+++ b/docs/consensus_mergers.md
@@ -23,7 +23,9 @@ alignment reference.
 `baseline` is the default. The standard clarity, smooth, varied, and diversity
 presets are joined by `power_blend` and the DSC presets demonstrated by the CWB
 conditioning implementation. Select `custom` to make every manual CWB control
-authoritative.
+authoritative. Every named merger preset keeps `global_scale` at `1.0`; scaling
+persisted model or LoRA weights is only performed when explicitly selected in
+the custom controls.
 
 Similarity alignment greedily matches source rows to the reference by cosine
 similarity. Index alignment keeps absolute row positions. Position weight can
diff --git a/nodes/consensus_merger.py b/nodes/consensus_merger.py
index e1b3a28..759e7f3 100644
--- a/nodes/consensus_merger.py
+++ b/nodes/consensus_merger.py
@@ -72,17 +72,17 @@ CWB_PRESETS = {
     "varied_merge": {
         "consensus_type": "median", "power_alpha": 2.0,
         "similarity_threshold": 0.0, "diversity_beta": 0.0,
-        "rescale_norm": True, "global_scale": 0.7,
+        "rescale_norm": True, "global_scale": 1.0,
     },
     "diverse_concept": {
         "consensus_type": "median", "power_alpha": 2.0,
         "similarity_threshold": 0.0, "diversity_beta": 1.0,
-        "rescale_norm": True, "global_scale": 0.7,
+        "rescale_norm": True, "global_scale": 1.0,
     },
     "high_diversity_concept": {
         "consensus_type": "median", "power_alpha": 2.0,
         "similarity_threshold": 0.0, "diversity_beta": 2.0,
-        "rescale_norm": True, "global_scale": 0.7,
+        "rescale_norm": True, "global_scale": 1.0,
     },
     "dsc_baseline": {
         "consensus_type": "median", "power_alpha": 2.0,
@@ -105,19 +105,19 @@ CWB_PRESETS = {
     "dsc_varied_merge": {
         "consensus_type": "median", "power_alpha": 2.5,
         "similarity_threshold": 0.0, "diversity_beta": 0.0,
-        "rescale_norm": True, "global_scale": 0.7,
+        "rescale_norm": True, "global_scale": 1.0,
         "dynamic_similarity_contrast": True, "soft_comfort_bandpass": True,
     },
     "dsc_diverse_concept": {
         "consensus_type": "median", "power_alpha": 2.0,
         "similarity_threshold": 0.0, "diversity_beta": 1.5,
-        "rescale_norm": True, "global_scale": 0.7,
+        "rescale_norm": True, "global_scale": 1.0,
         "dynamic_similarity_contrast": True, "soft_comfort_bandpass": True,
     },
     "dsc_high_diversity_concept": {
         "consensus_type": "median", "power_alpha": 2.0,
         "similarity_threshold": 0.0, "diversity_beta": 3.0,
-        "rescale_norm": True, "global_scale": 0.7,
+        "rescale_norm": True, "global_scale": 1.0,
         "dynamic_similarity_contrast": True, "soft_comfort_bandpass": True,
     },
 }
diff --git a/tests/test_consensus_merger.py b/tests/test_consensus_merger.py
index ef9334b..a893c43 100644
--- a/tests/test_consensus_merger.py
+++ b/tests/test_consensus_merger.py
@@ -69,6 +69,11 @@ def _params(output_filename, **overrides):
 
 
 def test_preset_resolution_matches_extended_contract(cwb):
+    assert all(
+        preset["global_scale"] == pytest.approx(1.0)
+        for preset in cwb.CWB_PRESETS.values()
+    )
+
     power = cwb.resolve_cwb_settings(cwb_preset="power_blend")
     assert power.consensus_type == "median"
     assert power.alignment_threshold == pytest.approx(0.9)