TC Electronics G-System

[AlanC]

You should basically lose at least 5dB when the FX2 is engaged. The wah being in the FX1 you have the full 100dB dynamic range, which equals to the G-force/ G-Major and the classic SCF. The G-system is rated at 95dB dynamic range on the analogue outputs post FX2. Using heavy compression - the G-system probably don't upsample - you might not notice the loss of dynamics in the same way.

Could you explain how this loss of dynamic range affects the sound quality?

I did notice a small drop in volume, but it didn't seem very significant.

 

[joey_truelove]

From certain point of view it's like speakers with different sensitivities, really. The higher the sensitivity or dynamic range the more detailed, vivid and "3D" the sound becomes.

In technical terms it's the number of times the lowest possible sound is in relation to the highest possible sound. Same thing goes for the contrast in picture quality. A CRT has 700:1 in contrast. A great TFT may have 2000:1 (close to 3 times that of the CRT).

We should be aware there's a theoretical maximum dynamic range for every bit depth. I believe the dynamic maximum for 24 bits should peak at 130dB. Bearing in mind dB is an exponential scale, those dB are dear to lose. I don't know how fine dynamic differences the human ear can pick up though...

As object of comparison the System 6000 has a dynamic range of 113dB on the outputs. That's what you can expect of a truely professional piece of gear.

 

[mARKw]

Input of GS > FX-block 1 of GS > pedals in respective loops of GS > dedicated preamp loop send of GS into input of PA > parallell loop send of PA into preamp loop return of GS > GS FX-block 2 > output of GS into parallell loop return of PA > output of PA into input of poweramp.

Legend: GS= G-system, PA=preamp

Finally got my preamp back from the shop....again.

I am trying out this method that is explained above. The problem I am having is that the delays are clean even when I'm playing with overdrive. Could there be something I am missing in the tweaking?

Cheers
Mark

 

[joey_truelove]

Input of GS > FX-block 1 of GS > pedals in respective loops of GS > dedicated preamp loop send of GS into input of PA > parallell loop send of PA into preamp loop return of GS > GS FX-block 2 > output of GS into parallell loop return of PA > output of PA into input of poweramp.

Legend: GS= G-system, PA=preamp

Finally got my preamp back from the shop....again.

I am trying out this method that is explained above. The problem I am having is that the delays are clean even when I'm playing with overdrive. Could there be something I am missing in the tweaking?

Cheers
Mark

This way the pre-amp is post any of your pedals and pre the FX block 2 in which, among other, the delay is executed. This way any valve harmonics and distortion should have been created before going into block 2.

Basically what you've done here is putting the actual pre-amp circuit in the insert loop of the GS (as intended) and the FX block2 in the loop of the pre-amp (post the pre-amp circuit). The only real term difference between the 2 lead and 3 lead is utilizing the loop of the pre-amp for this purpose.

I wouldn't be surprised if I made the above signalpath description sound more complex in than it really is. If it still wouldn't work out for you just get back to me on here and we'll find a different way to work this out.

This description of the signalpath of the (R)M4 might give you a clearer view on where the signal should go. http://www.jaredcoberly.com/egnater/schematics/RM4_Signal_Path.jpg