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Gustard H20 Class A Headphone Amplifier / Pre Amplifier

$1,250
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A sequel to the popular H10, the Gustard H20 is a powerful class-A headphone amplifier with a variety of inputs and outputs. In fact, with an output of 12,000 mW at 32 ohms, it’s one of the most powerful we’ve ever sold. In addition to the 4-pin XLR output, it has a 6.35-millimeter low gain and a 6.35-millimeter high gain. There’s even an output for dual 3-pin XLR: a welcome sight for those who use this rarer balanced out with their headphones. Two XLR outputs function as a prestage and are ideal for sending out to high-end studio monitors. Each channel uses two independent amplifying units to form a symmetrical output line. The front class consists of a single 4-way amplifier circuit, using two LM49720 dual op amp. Have a separate pre-stage output,can be connected to active speakers or pure after the class. The use of matrix relay volume,effective to ensure that 4-way volume unanimous; The H20 has already garnered a lot of excitement from Head-Fi users.

Description:
Line input: 1*RCA, 2*XLR
Line output: XLR * 1 (Preamp output)
Amp output: 1*6.35mm single-ended high resistance,
1*6.35mm single-ended low resistance
2*Three-core balanced Output, 1*four-core balance output
There is Pre-amp output,Gustard H20 could be used as Power amplifier and Pre Amp connecting Active Monitor.

Specification
Analog Input:
RCA One group of standard input. Sensitivity:2Vrms(Typical) ;Impedance:47kΩ
XLR Two groups of balanced inputs. Sensitivity:+18dBu(Typical) ;Impedance:10kΩ
Preamp (Rear Output) Output(XLR):
Output Impedance:100Ω
Frequency response:20-80kHz /-0.1dB
SNR:>122dB
Crosstalk:-120dB @ 1kHz
THD+N:<0.0004%
IMD:<0.0004%
Headphone (Front Output) Amplifier output:
Output Impedance(6.35mm):0.05Ω
Output Impedance(XLR):0.1Ω
Frequency response:20-80kHz /-0.1dB
SNR:>120dB
Crosstalk:-120dB @ 1kHz
THD+N:<0.0005% @6000mW into 32Ω LOAD
IMD:<0.0005% @6000mW into 32Ω LOAD
Maximum distortionless output power:6000mW into 32Ω LOAD
Maximum output power:12000mW @32Ω (THD=1%)
Load power:
64Ω 5360mW
150Ω 2680mW
300Ω 1340mW
600Ω 670mW
Others:
Power supply:AC 115V/230V 50/60Hz
Power consumption:about 50W
Size:330mm * 65mm * 260mm
Weight:7Kg(including Packing boxes)

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Ang Mo Kio / Bishan / Thomson
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