GUSTARD P26 Fully Balanced Preamp

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GUSTARD P26 Fully Balanced Preamp LM49860 HIFI Pre Amplifier

• Class A fully balanced design, the left and right channels are divided into regions, and the left and right separation is good;

• Native full balance architecture, from input to volume control to amplifier circuit, without any conversion, complete four-way architecture;

• Op amp + discrete hybrid architecture, which ensures circuit consistency and no lack of adjustability. Two in-line LM49860 dual op amps can be replaced to increase playability

• Discrete diamond-shaped differential output stage to easily drive various back-end loads;

• The volume of matrix relay is used to effectively ensure that the volume of 4 channels is consistent and unbiased;

• Adjustable input stage gain and output stage gain, easy to match different front and rear ends;

• Large OLED display + full-featured remote control operation, user-friendly design;

• Customized 50W audio dedicated toroidal transformer;

• All-aluminum alloy case, available in all silver and all black colors;


Product parameters:

Analog input (3 groups):
 
RCA: input impedance 47k input sensitivity 2 ~ 10V rms

XLR1 & XLR 2: input impedance 47k maximum input amplitude + 28dBu (19V rms) @ IGAIN = 0dB


Analog output (2 groups):

Frequency response: 20-20kHz /+-0.1dB

Signal to noise ratio: 130dB

Channel Crosstalk: -130dB @ 20-20kHz

THD + N: <0.00035% 20-22kHzBW @ 18dBu IN & 18dBu OUT

IMD (SMPTE): <0.0006% @ 18dBu IN & 18dBu OUT

Maximum undistorted output level: RCA output: 9.5V rms XLR output: + 28dBu (19V rms)

RCA output impedance: 100Ω XLR output impedance: 100Ω


Other parameters:

• Machine size: width 330 * depth 260 * height 65MM (excluding protruding parts);

• Packing size: length 420 * width 360 * height 175MM;

• Packing weight: 6.5KG;

• AC power: AC 115V / 230V 50 / 60Hz (manual adjustment);

• Overall power consumption: <20W;

Gustard P26 real shot:
Rigorous design, reasonable layout, nice workmanship and solid materials
 

Discrete diamond-shaped differential output stage to easily drive various back-end loads



Op amp + discrete hybrid architecture, which ensures circuit consistency and no lack of adjustability,Two in-line LM49860 dual op amps can be replaced to increase playability



Use matrix relay volume to effectively ensure the consistent and unbiased volume of 4 channels



Machine soft control and volume control



High-speed low-noise rectification, multi-stage filtering



Low noise and high current discrete voltage regulator



Custom 50W Audio Toroidal Transformer



Frequency response



THD+N



Left and right channel crosstalk



Signal to noise ratio