WhatsApp Click to Chat
Acoustic Portrait Swara V2-Tube Buffer
The Swara V2-Tube Buffer is a unity gain buffer that can be used between any line level interfaces. While the benefit of the tube buffer might vary depending on the combination of equipment, the sonics will definitely improve in terms of overall tonal balance by leveraging the inherent strength of the tube based audio circuit.
The Acoustic Portrait Swara V2-Tube Buffer is a small, unassuming device that can make a noticeable difference in the sound quality of your audio system. The V2-Tube Buffer is the successor to the original Swara Tube Buffer, and boasts a number of improvements over its predecessor.
One of the key features of the V2-Tube Buffer is its use of a high-quality valve tubes, which provides a warm, rich, and detailed sound. The tube is also replaceable, allowing users to experiment with different tubes to achieve their desired sound signature.
The V2-Tube Buffer is designed to be used between a source component (such as a DAC or CD player) and a preamp or amplifier, and can help to improve the overall soundstage and depth of your music. It can also help to smooth out harsh or bright high frequencies, and add a touch of sweetness to vocals and acoustic instruments.
One potential downside of the V2-Tube Buffer is that it does add some noise to the signal, which may be noticeable in very quiet passages. However, this is a common characteristic of tube-based devices, and is not unique to the V2-Tube Buffer.
Overall, the Acoustic Portrait Swara V2-Tube Buffer is a well-designed and effective device that can add warmth, depth, and character to your audio system. If you’re looking to add some tube magic to your system without breaking the bank, the V2-Tube Buffer is definitely worth considering.
Specifications of the Acoustic Portrait Swara V2-Tube Buffer
Weight 4 kg
Dimensions 33.5 × 34.5 × 11 cm
SNR 101 dB
THD+N 0.01% @ 1kHz
Dimension 13.2″ (W) x 13.5″ (D) x 4.33″ (H)
Weight 4 Kgs
Tube 2 x 6N1P
Connectivity Single Ended Input x 1 Stereo Pair, Single Ended Output x 1 Stereo Pair
Shammi Dang –
This is my first Acoustic portrait product. I purchased this on total risk as there were no reviews (video or written) available anywhere. I am very satisfied with this tube buffer. It adds warmth to the vocals and music. Very nice to hear such depth and wide soundstage. No listening fatigue. Very appropriate for listening to classical (Indian, western), pop, vocals, hindi songs & gazals. The slight harness that we feel sometimes while using our regular transistor based amplifier is not there any more. Excellent built quality, Good fit & finish, Solid chassis, subtle & simple looks. One more point to mention is the excellent packaging done by the company and there was no problem with the deliveries. I have attached this in between the DAC and integrated amplifier (class AB) and most of my music sources are routed through this Dac.
Some nick picking – Very heavy in weight and big size for a tube buffer, The embossed logo on the front can be little brighter, it looks dull and not properly visible. The bypass is not there, in case connected between two lines then it must be “ON” to pass the signal. Heats up a little, I think that’s the characteristic of tubes so it requires good ventilation. The dynamism of the amplifier is mellowed down slightly because of warm tonal signature so we have to open little more volume to arrive at a comfortable listening level.
Over all it is a recommended product for anyone who wants to add the warmth and signature of tube sound to their solid state set up at a reasonable cost. There are some cheaper options available on amazon by some chinese brands (branded & generic) but I really doubt those will be able to match the quality of this tube buffer.
Chirag Gupta –
I recently added the Acoustic Portrait Swara V2-Tube Buffer to my setup, and I have to say—it’s made a huge difference! Right away, I noticed how much smoother and more natural my music sounded. Digital recordings can sometimes feel a bit harsh, but this tube buffer takes that edge off and adds a warmth that makes everything more enjoyable. The build quality is solid, and setting it up was a breeze. It’s a simple but effective way to improve the overall listening experience.
The biggest improvement I’ve noticed is in the depth and richness of the sound. Vocals feel more lifelike, instruments have better separation, and the soundstage has more presence. Whether I’m listening to classical music, jazz, or even electronic tracks, everything sounds fuller and more immersive. It works great with my DAC and doesn’t introduce any unwanted noise—just pure, refined audio.
If you love music and want to enhance your system, the Swara V2-Tube Buffer is a fantastic upgrade. It brings a more analog feel to digital setups without losing detail. I wasn’t sure how much of a difference it would make, but now I can’t imagine my setup without it!