The DPA series amplifi ers are digital power amplifi ers designed to meet the specializedneeds of sound contractors for Multi-Zone distributed speaker systems. They are designedin six different models of Class D power amplifi ers, divided in three different architecturesto meet the requirements for all kinds of applications.

They combine the best of all features in one single series of amplifi ers, providing anoutstanding sound quality with all the known advantages of Class D Amplifi ers. Such asthe excellent effi ciency and very low heat dissipation. And due to the complete passivelycooled entity only a minimal of maintenance is needed, while ensuring maximumreliability.

The small size of a single rack space make them very interesting for fi xed rack mount aswell as mobile applications.

The DPA73 and DPA153 are built as two channel (Stereo) amplifi ers, with an additionalchannel for powering a subwoofer cabinet. It contains an active crossover network witha frequency of 120Hz and advanced protection circuitry which protects against DCmalfunctioning, short circuit, overheating and overload.

The signal input connections are accommodated with balanced XLR connectors andsignal link through with other amplifi ers is possible using the XLR output connectors. Theoperation mode can be selected between Stereo mode, Bridge mode and Parallel mode.The output connections are accommodated with Euro-Terminal blocks.

• Model Name / Type: DPA153 / Digital Amplifier
• 8 ohms: 2 x 100 W + 300 W
• 4 ohms: 2 x 150 W + 450 W
• THD+N: < 0.1%
• Signal / Noise: > 100 dB
• Frequency Response: 20 Hz - 20 kHz
• Power Supply: 240 V AC / 50 - 60 Hz
• Dimensions (W x H x D): 483 x 44 x 300 mm