diff --git a/plugins/Amplifier/Amplifier.cpp b/plugins/Amplifier/Amplifier.cpp
index b6d4a3ecf..e26caecaa 100644
--- a/plugins/Amplifier/Amplifier.cpp
+++ b/plugins/Amplifier/Amplifier.cpp
@@ -77,30 +77,30 @@ bool AmplifierEffect::processAudioBuffer( sampleFrame* buf, const fpp_t frames )
 	for( fpp_t f = 0; f < frames; ++f )
 	{
 //		qDebug( "offset %d, value %f", f, m_ampControls.m_volumeModel.value( f ) );
-		
+		outSum += buf[f][0]*buf[f][0] + buf[f][1]*buf[f][1];
+	
 		sample_t s[2] = { buf[f][0], buf[f][1] };
 
 		// convert vol/pan values to left/right values
-		const float left1 = m_ampControls.m_volumeModel.value( f ) *
-			( m_ampControls.m_panModel.value( f ) <= 0
+		const float left1 = m_ampControls.m_volumeModel.value() *
+			( m_ampControls.m_panModel.value() <= 0
 			? 1.0
 			: 1.0 - m_ampControls.m_panModel.value( f ) / 100.0 );
-		const float right1 = m_ampControls.m_volumeModel.value( f ) *
-			( m_ampControls.m_panModel.value( f ) >= 0
+		const float right1 = m_ampControls.m_volumeModel.value() *
+			( m_ampControls.m_panModel.value() >= 0
 			? 1.0
-			: 1.0 + m_ampControls.m_panModel.value( f ) / 100.0 );
+			: 1.0 + m_ampControls.m_panModel.value() / 100.0 );
 
 		// first stage amplification
 		s[0] *= ( left1 / 100.0 );
 		s[1] *= ( right1 / 100.0 );
 
 		// second stage amplification
-		s[0] *= ( m_ampControls.m_leftModel.value( f ) / 100.0 );
-		s[1] *= ( m_ampControls.m_rightModel.value( f ) / 100.0 );
+		s[0] *= ( m_ampControls.m_leftModel.value() / 100.0 );
+		s[1] *= ( m_ampControls.m_rightModel.value() / 100.0 );
 
 		buf[f][0] = d * buf[f][0] + w * s[0];
 		buf[f][1] = d * buf[f][1] + w * s[1];
-		outSum += buf[f][0]*buf[f][0] + buf[f][1]*buf[f][1];
 	}
 
 	checkGate( outSum / frames );
diff --git a/plugins/BassBooster/BassBooster.cpp b/plugins/BassBooster/BassBooster.cpp
index 60c31ab1a..e50224163 100644
--- a/plugins/BassBooster/BassBooster.cpp
+++ b/plugins/BassBooster/BassBooster.cpp
@@ -88,13 +88,13 @@ bool BassBoosterEffect::processAudioBuffer( sampleFrame* buf, const fpp_t frames
 	const float w = wetLevel();
 	for( fpp_t f = 0; f < frames; ++f )
 	{
+		outSum += buf[f][0]*buf[f][0] + buf[f][1]*buf[f][1];
+
 		sample_t s[2] = { buf[f][0], buf[f][1] };
 		m_bbFX.nextSample( s[0], s[1] );
 
 		buf[f][0] = d * buf[f][0] + w * s[0];
 		buf[f][1] = d * buf[f][1] + w * s[1];
-
-		outSum += buf[f][0]*buf[f][0] + buf[f][1]*buf[f][1];
 	}
 
 	checkGate( outSum / frames );
diff --git a/plugins/DualFilter/DualFilter.cpp b/plugins/DualFilter/DualFilter.cpp
index d20f3374b..9e42e978a 100644
--- a/plugins/DualFilter/DualFilter.cpp
+++ b/plugins/DualFilter/DualFilter.cpp
@@ -155,11 +155,11 @@ bool DualFilterEffect::processAudioBuffer( sampleFrame* buf, const fpp_t frames
 			s[0] += ( s2[0] * mix2 );
 			s[1] += ( s2[1] * mix2 );
 		}
+		outSum += buf[f][0]*buf[f][0] + buf[f][1]*buf[f][1];
 
 		// do another mix with dry signal
 		buf[f][0] = d * buf[f][0] + w * s[0];
 		buf[f][1] = d * buf[f][1] + w * s[1];
-		outSum += buf[f][0]*buf[f][0] + buf[f][1]*buf[f][1];
 	}
 
 	checkGate( outSum / frames );
diff --git a/plugins/dynamics_processor/dynamics_processor.cpp b/plugins/dynamics_processor/dynamics_processor.cpp
index fa7973dd1..6dcd357c1 100644
--- a/plugins/dynamics_processor/dynamics_processor.cpp
+++ b/plugins/dynamics_processor/dynamics_processor.cpp
@@ -214,11 +214,10 @@ bool dynProcEffect::processAudioBuffer( sampleFrame * _buf,
 		s[0] *= outputGain;
 		s[1] *= outputGain;
 
+		out_sum += _buf[f][0]*_buf[f][0] + _buf[f][1]*_buf[f][1];
 // mix wet/dry signals
 		_buf[f][0] = d * _buf[f][0] + w * s[0];
 		_buf[f][1] = d * _buf[f][1] + w * s[1];
-
-		out_sum += _buf[f][0]*_buf[f][0] + _buf[f][1]*_buf[f][1];
 	}
 
 	checkGate( out_sum / _frames );
diff --git a/plugins/waveshaper/waveshaper.cpp b/plugins/waveshaper/waveshaper.cpp
index ab379d8d1..7389e27e1 100644
--- a/plugins/waveshaper/waveshaper.cpp
+++ b/plugins/waveshaper/waveshaper.cpp
@@ -130,11 +130,10 @@ bool waveShaperEffect::processAudioBuffer( sampleFrame * _buf,
 		s[0] *= output;
 		s[1] *= output;
 
+		out_sum += _buf[f][0]*_buf[f][0] + _buf[f][1]*_buf[f][1];
 // mix wet/dry signals
 		_buf[f][0] = d * _buf[f][0] + w * s[0];
 		_buf[f][1] = d * _buf[f][1] + w * s[1];
-
-		out_sum += _buf[f][0]*_buf[f][0] + _buf[f][1]*_buf[f][1];
 	}
 
 	checkGate( out_sum / _frames );