DPA-1B Pre-amplifier
Specifications
Conventional Information
Size (W x D x H) (mm): 485*395*195mm
Separate Power Supply (W x D x H) (mm): 485*395*160mm
Net Weight 23.39kg（Main Unit+Separate Power Supply）
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
The DPA-1B is a fully balanced Pre-amplifier.
It includes two completely independent, non-feedback amplification circuits. The use of premium materials ensures that even without the application of feedback, there is sufficient bandwidth, ultra-low noise, and distortion. A series of precision resistor networks make up the constant impedance volume control circuit, allowing this pre-amplifier to deliver excellent sound quality at any volume level.
DPA-1B dual mono-block Pre-amplifier utilizes separate power supplies and groundbreaking AC-DC conversion through a switching power supply, making it capable of operating within a wide voltage range of 80-280V, completely resolving the power supply challenge that audiophiles find most difficult to address.