All the presets for Spooky Central have a gate. It increases the effectiveness and make the tube easier to light. Please update to the latest Spooky version available at spooky2.com as it appears you are running an old version of Spooky2. The next release of Spooky2 has synchronised gating which makes Spooky Central even more effective. The ideal gate frequency seems to be around 20 Hz.
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