1 files changed, 5 insertions, 1 deletions
diff --git a/src/emu8910.ts b/src/emu8910.ts
index 73fcfd9..9e86045 100644
--- a/src/emu8910.ts
+++ b/src/emu8910.ts
@@ -51,7 +51,11 @@
 
 const YM_CLOCK_ZX = 1750000;
 
+const DAC_DECAY = 1.3;
+const DAC_SHIFT = 40;
+
 const CUBIC_INTERPOL = 0.5
+
 const FIR_CUTOFF = 2000 // Hz
 const FIR_TAPS = 200 // N taps
 var FIR = [] // coeff
@@ -413,7 +417,7 @@ class PSG49 {
 
         this.dac = [];
 
-        this.build_dac(1.3, 40);
+        this.build_dac(DAC_DECAY, DAC_SHIFT);
         this.build_adsr();
 
     }