With the DAC, Gustard offers a high-performance headphone amplifier and preamplifier, benefiting from careful and intelligent manufacturing. With its independent symmetrical and asymmetrical circuits and capable of delivering a high level of power, it can be used with most of the headphones on the market.
Its preamplification and power stage is based on one LME49722 chip and two LNE49724 chips. It is thus capable of delivering a power of 3700mW under 64Ω on its balanced outputs, while offering a detailed, rich and dynamic restitution. The inputs are accompanied by a buffer using an AOP OPA1642 and an AOP OPA1678.
Also at the heart of the device are an Altera CPLD and an STC MCU, responsible for processing audio signals quickly, while ensuring low jitter.
On the power supply side, the H16 incorporates a linear power supply, using a custom-made toroidal transformer, in order to cleanly power all the audio circuits.
Finally, the volume level is adjustable thanks to a relay volume control, making it possible to maintain a perfectly identical sound level on both channels.
Complete connection system
The H16 is equipped with a complete set of connectors to accompany all types of helmets. Thus, the input is asymmetrical RCA and symmetrical XLR. On the output side, the unit offers preamplifier outputs with unbalanced RCA and balanced XLR, as well as an unbalanced headphone output in 6.35mm jack format, and 3 balanced headphone outputs in 3.5mm jack, 4.4mm jack and 4 pin XLR formats.
The Gustard H16 can be powered over a voltage range of 115-230VAC. However, it is essential to select the voltage corresponding to that supplied by your electrical network on the back of the appliance before connecting it to the mains.