diff --git a/amodem/equalizer.py b/amodem/equalizer.py
index 983192e..42bffb7 100644
--- a/amodem/equalizer.py
+++ b/amodem/equalizer.py
@@ -61,5 +61,5 @@ def train(signal, expected, order, lookahead=0):
 
 
 prefix = [1]*200 + [0]*25
-equalizer_length = 500
+equalizer_length = 300
 silence_length = 100
diff --git a/setup.py b/setup.py
index 01123c2..c13a7c9 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@ class PyTest(TestCommand):
 
 setup(
     name="amodem",
-    version="1.5",
+    version="1.6",
     description="Audio Modem Communication Library",
     author="Roman Zeyde",
     author_email="roman.zeyde@gmail.com",