Woo Commerce

Tantra Bass Preamp

Our new bass preamp is available both as a preamp and as an integrated amp, containing a high efficiency Class D Pascal Audio power module. 

We have spared no effort and cut no corners to design the absolute cutting edge bass preamp!

The topology is hybrid, like many of our products. Two pentodes at the front end take care of the clean gain and overdrive. After that, the signal undergoes a variety of solid-state based processing, such as a high pass filter, 5-band EQ, compressor, and a 2-part harmonic generator section.

Each section can be bypassed and there is also a switchable FX-loop, which can be either balanced or unbalanced, in order to be useable with studio type rack processors or floor pedals.

If you want to use your Tantra on stage in addition to the studio, you can choose between 2 power modules: the 1000W S-PRO2 or the 2500W L-PRO2S. These Class D amp modules have an amazing thrust, transparency and transient tightness. Regarding the new Pascal L-PRO2S module, we often get the question: “But who needs 2500W?”. Well, the answer is that it works more effortlessly at lower powers and exhibits even tighter specs. The transients are lightening fast, and there’s an even greater headroom! You just need to be careful not to drive your speakers beyond the maximum power they can handle.

The amp has already received Bass Gear Magazine’s “Best of the Show Award” in its category at the 2016 Summer NAMM show in Nashville, and won Sound On Sound’s 2018 Award in the Guitar Technology category!

And we have recently added some minor improvements to the preamp circuit, addressing mainly the clipping behaviour and the colour of the overdrive circuit, which, when engaged, now unmistakably behaves like a classical overdriven tube bass amp.

Please see the user manual for details:

Download Tantra Manual (PDF)


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Tantra Pentode Bass Preamp – CAD $2650.00 Buy Now

Tantra Rack Ears – CAD $35.00 Buy Now

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Here is the 2016 Summer NAMM show Sound On Sound Tantra presentation:

And here’s Kerry Galloway playing fretless bass through Tantra:


 
Here’s Rob Bailey on a fretless and also electric upright bass through Tantra:


 
Again Rob, this time slapping his Jazz Bass:
 

And here he is, demoing some overdriven tones on a Jazz Bass and a Chapman Stick:


 
In the first of the four 2017 NAMM videos, our partner Michael Arnopol talks about the technology behind his amazing bass cabinets. Both our Tantra and MAS Bodai cabs received Bass Gear Magazine’s Best of Show Awards. The remaining 3 videos give you a taste of sound of the Bodai 110, 112 and 115 cabs, all played through Tantra. LowDown Bass guitars are made and here also played by Tim Seisser.

TECHNICAL SPECIFICATIONS:

Design concept: (tube) pentode front end with solid state processing section
1 channel with 2 tube modes: triode and pentode
Sections: Overdrive, HP filter, 5-band EQ, Compressor, 2 band harmonic generator.
Bass instrument input: 1/4” unbalanced, mono
Input impedance: 2.2MOhm
Frequency response: 10Hz-20kHz +/- 3dB
Maximum gain: 54dB at the line output, 32dB at the DI (mic level) output
Harmonic distortion: up to 2% before clipping level, quickly decreases if driven less.
Maximum output level: 30dBu
Minimum output load (preamp): 600Ohm
Minimum output load (power amp): 4Ohm
Rear panel XLR connectors: Preamp out, DI out, Pwr amp in, all balanced only
Rear panel 1/4” connectors: FX loop (2xTRS, see manual), tuner out, foot switch (TS)
Power consumption: 15W preamp, 1100W pwr amp.
All supply voltages regulated.
285V Plate voltage for huge headroom
Operating voltage: 110-120VAC or 220-240VAC, switchable
Gold plated printed circuit boards with a double copper layer.
Gold plated tube sockets

Power Amp module (optional):
Pascal S-Pro2: 1000W into 4 Ohms
Pascal L-PRO2S: 2500W into 4 Ohms, 1500W into 8 Ohms

We give a one year warranty on parts and labor.


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