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Code001":6a018 said:
You can slave one head into another head to use one as just a preamp and another as just a poweramp.
read this frist
before i answer that
The 2120 has an FX loop, which means that you can insert some form of saturated power tube in the effects loop,
this came from AMPTONE .COM
HERES THE REST
Trying to place a power tube in the middle of the 2120
The 2120 has an FX loop, which means that you can insert some form of saturated power tube in the effects loop, hopefully after distortion and before the time-based effects. For example, ADA Ampulator, or Fender Pro Jr. with speaker isolation cabinet. I owned the 2101 and did this approach, with excellent results. Others also reported success with my suggestion, in the 2101 listserv.
Alas, the online manual indicates poorer placement of the effects loop than for the 2101:
FX Loop Level Switch - This switch gives you the option of either standard level (switch out), or a 6 dB cut (switch in) in the fx loop level. This is ideal to use when inserting an FX pedal that may not have the same output level to keep the level even in the chain.
FX Send - This is the effects loop mono send jack. Connect the input of an external effect device here. The Send gets its signal immediately following the Analog Wah module. It is a balanced-TRS connector.
FX Return - This is the effects loop return. It is fed back into the signal chain before the Distortion sections of the 2120. [in the 2101, the loop was between the distortion and time-fx stages.]
If the 2112 is like the 2101 [I don't think it is, now], you should be able to get a fully professional tone by inserting a low-power tube amp and mic'd speaker isolation cabinet in the effects loop. This would place echo-derived effects *after* power tube saturation, producing a much clearer amp breakup tone. This sequence of processing is how a traditional professional recording studio records hard rock guitar --- by adding echo and reverb through the mixing console, *not* by placing echo and reverb *before* the saturating power tubes.
Power-tube saturation gear to place in the effects loop includes the Demeter speaker isolation cabinet, the MicroRoom speaker isolation cabinet, the Marshall Power Brake, the Hughes & Kettner Blues Master, Crunch Master, or Cream Machine, the THD Hot Plate, the ADA Ampulator, or the ADA Microcab. Various 5-watt all-tube guitar amps are probably going to become available soon.
You don't want to hear the power tubes and speaker in the effects loop -- you don't want to hear the sound until after the digital effects such as echo have been added. That's why an inductive-load speaker emulator or speaker isolation cabinet is required in the 2112's effects loop, rather than a traditional mic'd tube amp openly playing in the room.
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To: 2120 users mailing list
From: Michael
Subject: Putting a saturated power tube in the FX loop
Has there been any discussion of putting a saturated power tube in the effects loop of the 2120? I used this approach with the 2101 processor and it was a complete success. There are many products that enable power tube saturation quietly. If you put any of these products between the 2120's distortion stage and time-based effects stage, then you have added the most important component required for the Tone equation: a saturated power tube. This provides the dynamic sponginess that is missing from all amp emulators which lack a power tube. No matter how good the preamp voicing and speaker simulator EQ is, it only sounds like an equalized preamp. The only way, so far, to really capture tube *power* amp saturation is to include a power tube such as an EL84 between the preamp distortion stage and the time effects stage.
For their next generation of gear, DigiTech should include an EL84 and load in between the distortion stage and time-effects stage. This is the ideal sequence:
o Eq, compression, distortion, eq
o Low-watt power tube, load
o Eq, speaker simulator
o Time-based effects
Finally, the user would add a solid-state high-power amp and monitor speakers.
