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Mailist to discuss all issues regarding the Digitech GSP-2101 Guitar FX Processor

Index last updated: 2026-04-28 23:25 UTC

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Re: [gsp-2101] Re: GSP 2101 & IPS 33B

2006-01-03 by Graham Pearson

A couple of points regarding the previous message from StarString.
1. Harmonizers usually work better with a pure guitar tone rather than a processed one. If you find the IPS 33B is having trouble analyzing your guitar signal after the analog section of the GSP-2101, put your guitar signal through your harmonizer before putting it through your 2101. I think you'll find this improves your tone particularly when using the 2101's distortions.
2. The explanation of the FX Loop settings SUM and NO SUM is not accurate. Here's the text from MIDIWizard's Help Topic entitled "FX Loop Return":
Bypass – the FX Loop Returns are off and completely ignored. ; From the factory, every program in the GSP-2101 has the FX Loop set to Bypass.
Summed – the FX Loop Returns are summed together with the guitar input signal using a 50:50 ratio. Use this setting if you are using a second effects processor to augment the GSP-2101. In this situation, you would connect the FX Send from the GSP-2101 to the input of the second processor and then connect the output(s) of the second processor to the FX Loop Return(s) of the GSP-2101.
No Sum – if plugs are connected to the FX Loop Return jacks, they are the primary signal source and any guitar input is completely ignored. If there is no signal present at these jacks, you don’t hear anything from the GSP-2101. When the jacks aren’t used, No Sum behaves the same as Bypass.
Use the No Sum setting if you have a second effects processor and you want to bypass the analog section of the GSP-2101 (the Compressor, Distortion, Analog EQ, and Master Volume). In this situation, you would connect your guitar to the input of the second processor and connect the output(s) of the second processor to the FX Loop Returns of the GSP-2101.
Planet Texas

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