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Master clock generator
All digital audio equipment has a clock circuit, and the circuit is operated using the clock signal generated there. The master clock generator is an oscillator that supplies the clock from the outside to digital equipment (transport, D / A converter, super audio CD player, network audio player) with the corresponding clock input terminal. By supplying a clock signal of higher purity than the clock generated internally by digital equipment, it improves sound quality.
Ultra high precision OCXO in heart
Built-in quartz oscillator and oscillation circuit in the oven which keeps the internal temperature always constant, newly developed a custom OCXO (Oven Controlled Crystal Oscillator) dedicated for ESOTERIC that performs stable oscillation, it is installed at the heart. High quality sound design OCXO which introduced Grandioso know-how such as not only superior center frequency accuracy (representative value ± 0.01 ppm) but also phase noise reduced by approximately 3 dB (*) compared to the conventional one was completed.
Newly designed wide range clock buffer amplifier
Grandioso G1 development result “Wide range clock buffer amplifier” adopted. Discrete circuits using high-speed transistors with excellent high-frequency characteristics are mounted independently on each output, contributing to the improvement of sound quality.
“Adaptive · zero ground” mode compatible
Equipped with an “adaptive zero ground” circuit that keeps the ground which is the reference potential of the clock output constantly 0 V, by inputting the essence of Grandioso G 1 and sending a signal from the internal OCXO to the buffer amplifier. You can choose between Adaptive mode and Normal mode that are effective in preventing noise (random jitter) caused by fluctuation of the ground voltage.
Power supply boasts power supply power to afford
A newly designed power supply circuit that maximizes the performance of “wide range clock buffer amplifier” is installed. By blocking the buffer amplifier and the power supply regulator, powerful driving is enabled. Power transformer is toroidal, control EI core 2 transformer composition. We combine multiple capacitors in the smoothing circuit and quickly respond to high speed digital processing by using Schottky barrier diode.
Supplies clock to up to 8 devices
Supplies clocks to up to 8 devices including 4 dedicated terminals for 10 MHz sine wave clock. Output ON / OFF can be switched for each pin. Two systems of A and B, four outputs are clocks of 1, 2, 4 times up to 512 times (22.5792 MHz / 24.576 MHz) of 100 kHz, 10 MHz (rectangular wave) and basic frequency series (44.1 kHz / 48 kHz) Signals can be output, and the output frequency can be set individually for each terminal.
The bottom chassis adopts a slit structure, minimizing mutual interference of each component. Moreover, the influence of vibration from the outside is minimized by heavy-weight thick aluminum panel, enclosure, steel scraping insulator.
External 10MHz IN can be connected to an external clock
ESOTERIC shaving original brass gold-plated BNC terminal
preheat function of the built-in OCXO
organic EL display adoption