DPA-2B Pre Amplifier
Specifications
Conventional Information
Size (W x D x H) (mm): 485*395*195mm
Net Weight 13.79kg
Conventional Information
Frequency Response: 5HZ~22KHZ（±0.5dB）
Total Harmonic Distortion（THD+N） : -118dB（DC~22khz Measuring Bandwidth, Unweighted）
Signal-to-Noise Ratio（SNR） : 110dB
Dynamic Range (DNR) : 116dB
Input Impedance : 100KΩ
Output Impedance : 66Ω
Line Level Output: XLR：9.6Vrms
Volume Adjustment Precision: 1dB 40 Levels
Total Gain: Six Channels with 0dB, +12dB, +20dB Options
Input and Output Interfaces
Analog Audio Input:
Balanced（XLR）*5 pairs
Unbalanced（RCA）*1 pair
Analog Audio Output:
Balanced（XLR）*1 pair
Power Supply and Power Consumption
Input Voltage Range: 100~240Vac/47~63Hz
Power Consumption: 52W
Standby Mode: 1W
Temperature and Humidity Requirements
Operating Environment Temperature: +5°C to +35°C
Operating Environment Humidity: 5% ‒ 85% (No condensation)
Storage Temperature: -20°C to +55°C
Description
DPA-2B is a fully balanced pre-amplifier that incorporates two entirely independent non-feedback amplification circuits. Lavish materials ensure ample bandwidth as well as ultra-low noise and distortion even without applying feedback. A constant impedance volume control circuit, consisting of a series of precision resistor networks, allows the pre-amplifier to deliver exceptional audio performance at any volume level.
The DPA-2B innovatively employs a switching power supply to achieve AC-DC conversion and can operate with a wide voltage range of 80-280V, completely resolving the power supply challenge that audiophiles find most difficult to address.