I just got one of these and was surprised at the small volume of threads/posts about them. I guess I'll attempt to necro this general thread since the other ones are about more specific questions. I've collected some thoughts after a few days at home experimenting and two gigs with mine, for the benefit of anyone else who may be considering one.
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The Torpedo is taking the place of an OmniCabSim Deluxe on my board. I'll be honest, I was perfectly happy with the sound I was getting from the OCSD. My normal settings were essentially the "Bass 115" example setting from the manual, and I liked the sound. The noise floor was a bit annoying; the OCSD is pretty hissy. Otherwise I was content with the sound.
A major gripe for me about the OCSD, though, is the placement of the aux and headphone jacks. I try my best to run a tight and tidy pedalboard. The OCSD is always to the far left, and the aux/hp jacks being on the right side meant that they're inaccessable if I'm really packing the pedals close together on my board. But being able to practice along with music is HUGE, it was a lot of what I liked about that pedal.
So, in light of that major gripe with the OCSD, you can imagine my delight when I saw the Torpedo had the aux and headphone jacks on the left side! As silly as it may sound, that was a big selling point of the Torpedo for me...
...Until I plugged my headphones in and plugged my phone into the aux. My heart sank. I was not aware that the aux input sums to mono. Maybe fine for some, but a complete dealbreaker for me - I will not be using the Torpedo as a headphone amp because of this. What a total shame. I'm not sure what design constraint led to that decision, but I'd gladly give up most of the other ancillary features on the unit for a stereo aux input. I'm not sure if it's hardwired into the design or if it's a bandwidth/processing thing on the DSP chip. If by some magic they make the aux input stereo in a future firmware update, this unit will be near perfect.
But nevertheless I've sort of fallen in love with this thing. It's a setting-tweaker's dream. I bought a few extra cabs from the online store, including one of my beloved Subway 215 done by Mesa themselves and a different B-15 model than the stock one, plus some Ampeg 810s, a 412, and an Eden 115. The emulations sound great to my ears. All the cab settings I've cooked up have been a tad lacking in upper mids and highs, but I've had the unit for less than a week so I'm waiting to have more experience dialing it in before I pass judgement on that. Maybe I'm just not using the right settings. But besides that, the cabs all sound great. I love being able to tweak the mic selection and placement, and the power amp sim is pretty neat. Everything else (eq, preamp, gate, room/verb, exciter) is either covered elsewhere on my board or not necessary for me.
Another domain where this unit outshines the OCSD is in the ability to use your own impulse responses. I made impulses of the two settings I like on the OCSD and loaded them up onto the Torpedo - the OCSD impulses on the Torpedo sound near identical to the actual OCSD, so now I can have those at my disposal as well.
I also decided to compare the power amp sim on the Torpedo to the power section on my B-18N. Impulse out of my audio interface, through the B-18, speaker out into an RNDI into a Grace M101. Now I can take my favorite DI bass tone anywhere. Man, it sounds fantastic. If I ever get rid of this thing, I might have to buy a smaller/cheaper IR pedal just for that.
Some other qualms with this thing: first, the thru jack is on the right side of the unit. I'm positive that for this, the OCSD, and any other pedal, space is at a premium and it's impossible to mount all the useful/necessary jacks and buttons on one single side (and what if that single side is the wrong one for your use case?) so I'm willing to give Two Notes a mulligan. But, in light of how useless the aux and headphone jack are on this thing to me, I guess I'd rather have the thru on the left side and the hp/aux on the right side, the way the OCSD does it.
Second, if there's an easy way to bypass this thing, I'm not aware of it. I've gotten around this by setting up preset 001 as BYPASS, but I had to put that preset together myself. It would be nice to have an easy way to switch it on and off, if only for the purpose of comparing your affected/cabsim signal with your dry signal. I find that being able to do that helps keep me grounded so as to not dial in a setting that strays way too far from my desired tone.
Overall, I don't regret this purchase. I'll continue to use it for now. I've yet to put it through the ringer with my gig that runs in-ears, so I'm looking forward to trying it with that. If I end up using the cab sim sounds a ton, I'll keep it. If my go-to presets end up being my own custom impulses, it may move on to a new home after a while. I guess after rereading this my review dwells on a lot of negatives, so I'd like to reiterate that this thing does what it advertises very well, and it's certainly the best sounding cab sim I've tried yet.