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authorDamien Zammit <damien@zamaudio.com>2020-11-23 18:21:54 +1100
committerDamien Zammit <damien@zamaudio.com>2020-11-23 20:03:45 +1100
commit77da69c220dbb7cdccf3b316e567e6ae69a0579d (patch)
tree4f54f1a1f4ae4e04033d824da0799019ebe5ad44 /plugins/ZamTube/ZamTubePlugin.cpp
parentb4bdad4689de151e7223b75a49d450a0c865854a (diff)
ZamTube: Simplify circuit with no Ci capacitor - no sound quality loss
Diffstat (limited to 'plugins/ZamTube/ZamTubePlugin.cpp')
-rw-r--r--plugins/ZamTube/ZamTubePlugin.cpp5
1 files changed, 1 insertions, 4 deletions
diff --git a/plugins/ZamTube/ZamTubePlugin.cpp b/plugins/ZamTube/ZamTubePlugin.cpp
index 4d7c453..7783700 100644
--- a/plugins/ZamTube/ZamTubePlugin.cpp
+++ b/plugins/ZamTube/ZamTubePlugin.cpp
@@ -299,7 +299,6 @@ void ZamTubePlugin::activate()
// Passive components
/* Original WDF preamp
- ci[0] = 100e-9;
rg[0] = 20e+3;
rk[0] = 1e+3;
ck[0] = 10e-6;
@@ -310,7 +309,6 @@ void ZamTubePlugin::activate()
*/
/* Matt's preamp */
- ci[0] = 100e-9;
rg[0] = 1e-3;
rk[0] = 1200.; // 820 originally
ck[0] = 50e-6;
@@ -320,7 +318,6 @@ void ZamTubePlugin::activate()
ro[0] = 470e+3;
/* CLA's preamp
- ci[0] = 1.0e-7;
rg[0] = 5.6e+3;
rk[0] = 1.5e+3;
ck[0] = 4.7e-6;
@@ -333,7 +330,7 @@ void ZamTubePlugin::activate()
int pre = 0;
float volumepot = 800e+3; // 100 good at low gain, 1000 good at high gain
ckt.on = false;
- ckt.updateRValues(ci[pre], ck[pre], co[pre], e[pre], er[pre], rg[pre], volumepot, rk[pre], 1e+3, ro[pre], Fs);
+ ckt.updateRValues(ck[pre], co[pre], e[pre], er[pre], rg[pre], volumepot, rk[pre], 1e+3, ro[pre], Fs);
ckt.warmup_tubes();
fSamplingFreq = Fs;