Colab Auditoriums Hi-fi and Homecinema

Audio Alchemy DPA-1

2 699,00€

En démonstration permanente.

 

Audio Alchemy DPA-1 Stereo Hybrid Digital Power Amplfier

Audio Alchemy created the DPA-1 Digital Power Amplifier to perform not just in today's stereo systems, but in tomorrow's systems, too. The core of the DPA-1 is a wizardly circuit topology that combines the musicality of traditional Class A and Class AB amps with the power, dynamics and efficiency of the latest Class D designs. From a chassis just 10.5 inches wide, the DPA-1 delivers 125 watts per channel into 8 ohms and 200 watts per channel into 4 ohms, plenty enough power even for the largest tower speakers. It might seem like magic, but it's just solid engineering.

Colab Audio Alchemy DPA-1

Pure Class A Input Stage
The input stage mirrors those found in many of the world's best and most expensive amplifiers: a Class A topology composed of discrete FETs and powered by a semi-toroidal transformer. This pure analog stage preserves every last detail and every ounce of musicality, and properly amplifies and buffers the incoming signal so it's ready to move on to the output stage.

Powerful, Efficient, Cool
The cool-running efficiency of the Class D output stage allows the DPA-1 to deliver maximum performance even in areas with minimal ventilation, such as equipment cabinets and closets. The DPA-1 runs at about 80% efficiency, compared to about 30% for a typical Class AB amp. Power consumption at idle is about 20 watts, compared to 100 watts or more for a Class AB amp with comparable power and sound quality.

Key Features
· 125 WPC into 8Ω, 200 WPC into 4Ω
· Class A discrete FET input stage
· Cool-running Class D output stage
· XLR and RCA inputs
· Switchable gain and mute
· Upgradeable to dual mono power supply

Colab Audio Alchemy DPA-1

SPECIFICATIONS

Power output/channel (0.1% THD+N, 1 kHz)
125 watts into 8Ω
200 watts into 4Ω

Frequency response
+/-0.25 dB, 20 Hz to 20 kHz

Nominal THD+N (1 watt into 8Ω)
0.05%

Signal-to-noise ratio (1 kHz)
100 dB unweighted

Input impedance
100 kΩ

Output impedance
0.06 Ω

Channel separation (1 kHz)
-80 dB

Gain
20 or 26 dB switchable

Inputs
stereo XLR, stereo RCA, IEC power, 3.5mm trigger

Outputs
5-way binding posts

Available finishes
Silver

Dimensions
3.0 x 10.5 x 11.6 in / 76 x 267 x 295 mm (hwd)

Weight
16 lb/ 7.3 kg

 

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