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Synergy Amps & Modules
Help understanding the correct Marshall head FX loop operation with a Syn2?
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<blockquote data-quote="j4q0" data-source="post: 161827" data-attributes="member: 3288"><p>An FX loop is an insert between a preamp section and a power section, in this case of your Marshall head. </p><p>The FX on/off switch will either bypass (off) or insert (on) the connections of the send/return jacks of the head.</p><p></p><p>Therefore:</p><p>Switch OFF: you won't be able to hear anything that you have connected into the return jack.</p><p>Switch ON: you will be able to hear anything you have connected to the return jack.</p><p></p><p>If you want to use the preamp section of the head as an option, then the preamp input needs to see a signal, therefore you need to connect the SYN2 with the 4 cable method as described in the manual, in which case you will use both the input of the head AND the FX send jack to complete the signal path going from your guitar, through both the head and the SYN and then into the load box.</p><p></p><p>And, since you want to be able to hear the SYN2 which is inserted in the FX loop of the head, then the FX loop must be switched ON.</p><p>The channel switching of the SYN2 will allow you to switch between the 2 modules and the head's preamp section, the latter happens when the SYN2 is in bypass mode.</p></blockquote><p></p>
[QUOTE="j4q0, post: 161827, member: 3288"] An FX loop is an insert between a preamp section and a power section, in this case of your Marshall head. The FX on/off switch will either bypass (off) or insert (on) the connections of the send/return jacks of the head. Therefore: Switch OFF: you won't be able to hear anything that you have connected into the return jack. Switch ON: you will be able to hear anything you have connected to the return jack. If you want to use the preamp section of the head as an option, then the preamp input needs to see a signal, therefore you need to connect the SYN2 with the 4 cable method as described in the manual, in which case you will use both the input of the head AND the FX send jack to complete the signal path going from your guitar, through both the head and the SYN and then into the load box. And, since you want to be able to hear the SYN2 which is inserted in the FX loop of the head, then the FX loop must be switched ON. The channel switching of the SYN2 will allow you to switch between the 2 modules and the head's preamp section, the latter happens when the SYN2 is in bypass mode. [/QUOTE]
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Help understanding the correct Marshall head FX loop operation with a Syn2?
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