NOA – Mono Amplifiers

Trafomatic Audio NOA monoblocks represent the company latest design and design direction. Curved lines gives NOA an contemporary appeal, that looks refreshed, stylish and blends very nicely in the surroundings. New looks fits nicely in both classical and modern living rooms and NOA monoblocks stands on its own as an design object.

NOA monoblocks is matured products and it shows true Trafomatic DNA embossed with the new company logo. This logo can take a story of it own. It radiate with Zen like simplicity, reflecting the best attributes  of Trafomatic Audio.


The NOA monoblocks are the most powerful amplifer in the Trafomatic Audio productions. It is constructed as push-pull using well known KT150 Tungsol output tubes , four per mono .
Output power is 200W per channel, Noa can drive pretty much any speaker made. This is a power amplifier and requiring preamplifer and opening endless possibilities for system configuration.

Based on previous work on negative feedback, -8dB reaction has been tuned to provide sound equivalent to a good Single Ended application. Cathode feedback was used as the most musical one. Bass is amazing controlled, dynamic response is excellent and this amplifer belongs to the very top of its class.
Well designed power supply made as separate unit utilizes 800VA toroidal transformer and C-L-C filter used is oversized. Output transformers are based on a Double-C core configuration and Solen fast capacitors are used throughout. Adding well thought-out concept to the mix results in a recognizable high quality sound of our amplifiers.

The new modern styling of Trafomatic Audio amplifiers has been extended to this model as well,which makes a perfect sonic and visual fit with your room. See and hear for yourself.

NOA – Image gallery


Output power: 200W
Class of operation: Push-Pull (class AB)
Tubes complement: 4x KT150 Tungsol, 1x ECC99, 1x 5687
Inputs: RCA , XLR
Tubes protect: Acrylic front glass
Outputs: 4 and 8 ohms
Input sensitivity: 1.2Vrms
THD %: 0.03% – 1W/1KHz, 4% – 200W/1KHz
Frequency bandwidth: 10Hz(-1dB)-90KHz( -1dB)
S/N Ratio: 82dB
Input inpedance: 100K
Power consuption: 600VA
Input voltage: 230V/50Hz (100-120-220-240V available on request)
Size: 550x350x260mm
Weight: 35kg amplifier + 11kg power supply box