User's Manual
Table Of Contents
- CONGRATULATIONS!
 - CONTENTS
 - 1. IMPORTANT SAFETY INSTRUCTIONS
 - 2. INTRODUCING T SERIES
 - 3. OPTIMAL PLACEMENT OF YOUR MONITORS
 - 4. REAR-PANEL FEATURES
 - 5. AUDIO CONNECTIONS AND LEVEL SETTINGS
 - 6. USING THE HF AND LF SWITCHES ON THE REAR PANEL
 - 7. TROUBLESHOOTING
 - 8. MAINTENANCE
 - 9. SHIPPING
 - 10. ENVIRONMENTAL INFORMATION
 - 11. EU DECLARATION OF CONFORMITY
 - 12. WARRANTY TERMS
 - 13. TECHNICAL DATA
 
5
T SERIES MANUAL [ENGLISH]
REVOLUTIONARY TWEETER DESIGN
Since its launch in 1999, Berlin-based ADAM Audio has fast gained international 
prominence and respect as a manufacturer of reliable and highly accurate reference 
monitors. 
This reputation and performance has led to ADAM Audio monitors being used 
by engineers in top recording studios around the world. A key component yielding the 
monitors’ stellar performance is ADAM Audio’s innovative, proprietary X-ART tweeter 
used in all their high-frequency drivers, including the T Series’ new U-ART 1.9” tweeter. 
Made of a high-tech polyimide film used in thermal blankets on spacecraft and satellites, 
the U-ART tweeter’s diaphragm provides pristine and extended high-frequency response
up to 25 kHz. But it’s the tweeter’s revolutionary folded design that’s one of the key 
elements
 responsible for the T Series’ outperformance compared to other reference 
monitors in its class.
Unlike a conventional dome or cone tweeter that uses a piston action to move air and 
reproduce sound, the U-ART tweeter uses a pleated membrane that alternately draws 
air into its folds and squeezes it out as the folds respectively expand apart and press 
together in response to inputted audio signals. This design produces four times as 
much air movement as does a piston-based design, creating higher sound pressure 
levels 
[SPLs] with lower distortion. On a practical level, the U-ART tweeter lets you hear 
pristine details in your mixes with far greater clarity that, along with the tweeter’s  
superior
 off-axis performance, help you make better decisions in the creative process 
that will translate faithfully to other playback systems. What’s more, you can listen at 
louder levels than with conventional monitors without suffering listening fatigue.
ADVANCED WAVEGUIDE, WOOFER, AMPLIFIERS,  
CROSSOVERS AND CABINETS
The U-ART tweeter is fitted to a new, precision waveguide that provides highly uniform
dispersion of high frequencies. The result is an incredibly wide sweet spot that 
frees you from being glued to a rigid mix position while working. The T Series’ 
all-
new polypropylene woofer and the cabinet’s rear-firing bass-reflex port together
provide ultra-smooth, highly accurate midrange and extended bass response. New 
Class D amplifiers and power supplies are custom-matched to the tweeter and 
woofer for optimal performance: The U-ART tweeter is powered by a 20 W amp, 
2. INTRODUCING T SERIES










