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Sonic Farm Tantra

Sonic Farm MAS Tantra

4.7 4.7 out of 5, based on 5 Reviews

This should go in multiple categories. The Tantra is a pentode tube bass pre-amp but it also has the option of a power amp that can be used to drive your cabinet. Very cool!


21st November 2017

Sonic Farm MAS Tantra by bfish

  • Sound Quality 5 out of 5
  • Ease of use 4 out of 5
  • Features 5 out of 5
  • Bang for buck 5 out of 5
  • Overall: 4.75
Sonic Farm Tantra

I have been using the Tantra on the last 4 projects that I've worked on now. I'm getting the best bass sounds I've ever recorded. It is great on it's own, with both a DI or a Line level output, but I usually blend it with the mic sounds to get full, THICK, rich, bass sounds. The user can control all sorts of parameters. There is a triode and a pentode tube mode. My favourite part about it though is that the frequencies that you choose to send to the overdrive tube circuit are selectable, so that you can send miss or highs and not break up the low frequencies and lose all the bottom end. There is a selectable eq and a very non-intrusive compressor built in. I haven't done this, but there is also the option of having this unit be an amplifier.
I love this, my only complaint is that it is a little hard to get used to all the features. Read the manual and spend some time with it, I am getting the best bass sounds that I have ever recorded, so it's worth the learning curve!

  • 2
28th November 2017

Sonic Farm MAS Tantra by Dpon

  • Sound Quality 5 out of 5
  • Ease of use 3 out of 5
  • Features 5 out of 5
  • Bang for buck 5 out of 5
  • Overall: 4.5
Sonic Farm Tantra

The Tantra blew my mind. Used it over the course of a weekend for a hard rock band it the bass tones coming out of this thing blew not only my mind but my clients. The harmonic feature is amazing. Play with those to get a Moog synth sound. Favourite feature by far, however, was the HPF option with the over drive. Leaving the bottom end full and without dirt but having that sweet fuzz on the top end. Sonic Farm have done it again. Outstanding job guys.

  • 1
6th June 2018

Sonic Farm MAS Tantra by astralpen

  • Sound Quality 5 out of 5
  • Ease of use 5 out of 5
  • Features 5 out of 5
  • Bang for buck 5 out of 5
  • Overall: 5
Sonic Farm Tantra

I have owned quite a number of devices targeted at recording bass. These include: REDDI, ToneCraft 363, Avalon U5, as well as a host of mic pre-based DIs. The Tantra is just an amazing piece and the one that I will rely on in my studio going forward. The ability to parallel distortion is a huge benefit. THE EQ is fabulous. But really, just the tone of the device is wonderful and 3D. Also, the customer service that I received as a part of the ordering process was exemplary. These guys love what they do and care about their customers. Best of the best...

30th December 2018

Sonic Farm MAS Tantra by Bowener

  • Sound Quality 5 out of 5
  • Ease of use 3 out of 5
  • Features 5 out of 5
  • Bang for buck 5 out of 5
  • Overall: 4.5
Sonic Farm Tantra

Boris was kind enough to let me try the prototype Tantra last year, and I knew right then and there that one day it would be mine. Well, that day has come, and last month I bought the Tantra power amp version and a Mark Bass cabinet. Having done a couple of jazz gigs with it now, I can safely say that I'm getting the best bass tone out of my Godin 5 string fretless that I have ever heard. The combination of the harmonic generators and selectable distortion is one thing, but what really knocks me out is the one known compressor! I don't know what it is about this circuit, but the compressor alone is worth the price of admission. You never it pumping, and the sustain one gets is unparalleled. It's like a giant "MORE" knob. I've been having so much fun with the fretless, that I haven't even tried with my jazz or pre basses, or my Chapman stick. However, knowing how amazing that pentode front end is, along with all the tonal variation available, I'm convinced that this is the last bass amp I'll ever buy!.

30th May 2019

Sonic Farm MAS Tantra by TheHiltz

  • Sound Quality 5 out of 5
  • Ease of use 4 out of 5
  • Features 5 out of 5
  • Bang for buck 5 out of 5
  • Overall: 4.75
Sonic Farm Tantra

Boris lent me a Tantra for a few sessions I was doing, and I couldn't give it back when I was done - I had to make it a part of my bass arsenal.

This amp is immediately so rich and warm, it is hands down the most musical bass amp I've ever played. Every note in every range was balanced, when I used it live I sat in the mix better than I ever have before (which inevitably changed the way I played). I even used it at a quiet jazz gig at a venue that normally gives me problems (I usually walk out of there with super wacky EQ settings), but this amp required very little tweaking, and it was so easy to hear even at a very low volume.

TL, DR: It sounds great with minimal fussing, but what made me feel confident about the purchase is its versatility and capacity for tone-shaping (3-band parametric plus a whole bunch of other options), the compressor (holy crap the compressor), the control over the drive circuit (pent + triode modes, individual gain + OD mix knobs, option for hi-pass drive, footswitchable), and the harmonic blend (subtle blend of 2nd and 4th harmonic to help support low frequencies).

In addition to treble and bass shelving, there is a full 3-band parametric EQ (+/- 5db: 34 - 300hz, 150 - 1300hz, 690 - 6000hz). This was so nice to have on stage, I loved being able to dial in exactly what I needed with so much precision (and it takes up far less real estate than a graphic EQ). There are also switches with two options for bass boost and treble boost. There is a switchable hi-pass filter at 28hz, 60hz, or 40hz to help tighten things up by removing much of the really really low frequency information.

The compressor is fantastic. When I picked up the Tantra, Boris told me that this compressor was Grammy-winning producer Greg Wells' favourite compressor, and I understand why. I haven't found a reason to turn it off. Although it is just one knob, it was designed (by a bass player I believe?) to be optimized for bass. The manual says the ratio is 3.5:4, fixed threshold. There was no pumping, and even at high settings it didn't overload the signal.

The overdrive circuit features both pentode and triode tube modes. There are two overdrive stages, independent gain control, and an overdrive mix knob, and a hi-pass switch to have overdrive affect only upper frequencies to keep your lows tight and present. Any footswitch can engage the OD circuit.

The harmonic blend knobs are a really cool thing, I honestly didn't think I would be into it. These are activated only when the compressor is engaged, and add either the 2nd harmonic or 4th harmonic above the fundamentals (knobs labeled H2 and H4). I've used this amp mostly with a Sadowsky MV5PJ, and this feature made my low B so tight and crisp - it avoided any of the flubbiness that I was disappointed to hear with other amps. The harmonics are very subtle, we're not talking POG-level octaves - just enough to help support anything E and lower.

The plethora of features aside, I'm just excited about how great this amp sounds. I used it for pop, rock, and jazz; live, and in the studio and it was awesome for all of these things. I wasn't planning on buying an amp but... you know. It sure made its case.

There is an option to buy as a preamp for studio use, I bought the version with a 1000W power amp. There is also an option for 2500W(!) monster jam. I'd encourage anyone to try this thing out!

 
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