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dsd decoding amplifier
dsd decoding amplifier
dsd decoding amplifier
dsd decoding amplifier

Tonewinner DSD decoding Hi-Fi class A integrated amplifier

AD-2PRO+ is a Class A integrated amplifier with optical, coaxial, balanced, RCA, MM/MC phono inputs and subwoofer balance/unbalance outputs. It supports one-click switch among Class A, Class AB and Auto modes. As a top 10 audio brand in China, Tonewinner has 30+ years experience in designing and manufacturing acoustic products. As an original supplier, Tonewinner always warmly welcomes distributors, partners and customers around the world.

  • Model

    AD-2PRO+
  • Channels

    2.1
  • Power

    2x240W
  • THD

    ≤0.05% (1KHz,A weight)

Tonewinner DSD decoding Hi-Fi class A integrated amplifier

 

Overview of Functions:

  • l way coaxial input and 2 ways optical digital inputs, coaxial support PCM and DSD decoding.
  • 2 ways unbalanced and 1 way balanced input.
  • USB sound card, support 768k sampling rate PCM and DSD512 software decoding/hardware decoding.
  • Manual power-on/standby function,trigger power-on/stand by function.
  • Amplifier modcs selection: ClassA/Class AB/AUTO.
  • Amplifier and speaker output type selection: A group'B group/A+B group.
  • Front panel standby, work and protcction display functions.
  • ~110vi~220v power supply automatic conversion function.
  • l channel of cach for unbalanced and balanced bass output.
  • MM moving coily/MC(moving magnet) phono input.

overview of Features:

  • Adopt fully balanced, fully symmetrical, differential input to differential BTL poweroutput Class A power amplifier circuit.
  • The input stage adopts a cascode amplifier circuit.
  • High circuit dynamics, high slew ratc, low harmonie distortion, low noise,good transient response,high linearity, wide frequeney response range, etc.
  • The voltage amplify stage adopts a common base circuit, which further improves the open-loop gain of the power amplificr and broadens the high-frequency response to the extreme.
  • The output stage adopts a thrce-stage Darlington driver, and the high-power audio dedicated famous tubes are output in parallel, which greatly improves the damping coefficicnt of thc power amplifier.
  • The left and right channels are powered by an independent power supply, which greatly improves the separation of the power amplifier.
  • The preamp and power amplifier of the unit adopt the powcr supply mode of high andlow back, which can give full play to the advantages of the circuit, so that the performance of thc whole machinc is further improved.
  • Using an 860w high-quality toroidal transformer, up to 120,000 microfarads ofaudio-specific custom capacitors, and high-power audio-specific famous tubes forparallel output, providing maximum current output capability.
  • 240W/80 power output for each channel, and abundant power rescrve for driving highpower demanded speaker easilly.
  • Using Tonewinner classic independent cavity isolation structure design to minimizcthe mutual interference and influence of various functions.
  • AD-2PRO+ is equipped with high/low voltage two-level power intelligent management switching circuit.The intelligent powcr supply mode can not only mect the high-fidelity class A power output, but also meet the green concept ofenergy saving and environmental protection.
  • Perfect power amplifier protection circuits: short circuit protection, overheat protection,high frequency protection, DC protection, etc.

Parameter:

Model
AD-2PRO+
THD
≤0.05%(1kHz, A weighted)
Channels
2
SNR
≥100dB(A weighted)
Frequency
15Hz-95kHz(+1/-3dB)
Standby Consumption
<0.5W
Power Output
240W(THD=1%, 1KHz, 8Ω, one channel driven)
Impedance
Gain
40dB ±1dB
Power Consumption
260W-320W(Calss A);
70W-110W(Class AB)
N.W.
35.9Kg
Dimension
444x254x460mm
Application
living room,theater&Karaoke room,demo room,bedroom,meeting room.
Accessories
manual, certification, power cord, optical cable, remote control.

 

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