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Hegel H390 hos Lefflers Ljud & Bildupplevelser i Norrköping
The H390 shares the new streaming platform
with H190 and H590. This is much more stable than the old one and is also more
powerful. Meaning we hope to be able to come with several functionality
updates. Like Airplay 2, Roon (very soon), Control4 SDDP etc.
We also look for updates that may further
improve the sound quality over Ethernet, without going to further details just
The DAC is very much based on the H590 but
The H390 also supports internet updates,
like the H590. Meaning you can update via the menu. (NOTE: this also becomes
available in the H190 after you install update v.20)
All inputs are configurable to be either variable
or fixed level.
Increased gain on Line-Out: As Hegel amplifiers
have high gain, some have found it difficult to integrate with certain
subwoofers. H390 has higher gain on the pre-out compared to other Hegel
USB Volume – via the menu, you can open for
what we call USB volume. This means that the connected USB device will remote
control the volume of the H390. This is also possible on the H590. Many media
players today allow this feature.
See the IP address in the menu. As Mac has
removed their Bonjour program we have made it possible to see the amplifiers IP
address in the menu. That allows you to go to the amplifier home page and
No circuit boards are the same as in the
H360, meaning everything has been improved on H390. The voicing is, as always,
in the analog design and we have taken H390 quite a bit further compared to H360.
It sounds smoother and with more authority. Going in the direction of the H590,
but just not quite there.
A new thing is that all digital inputs on
the H390 are routed through the USB’s DSP. This allows MQA and DSD support over
Spdif and also further reduces jitter.
Also, every time we make a new amplifier,
we discover new things. On H390 the word is “down-clocking”. Meaning that we minimize noise,
by reducing the system clock of certain circuits whenever possible. The effect this had was somewhat surprising to us, and may be ‘poor
marketing’ since it means you are reducing the computing power. Some of you may
be as old as me and remember that we could over-clock computers back in the
day, to make them faster.
We can measure the improvements, and they
are also verified through listening tests. It is quite extraordinary.
We spent a lot of time listening to the
H390 through various inputs. With internal people and external listeners. The
recurring comments has been:
Power output: 2 x 250 W into 8 Ω, Dual Mono
Minimum load: 2 Ω
Analog Inputs: 1 x balanced (XLR), 2 x unbalanced (RCA)
Digital Outputs: 1 x coaxial (BNC)
Digital Inputs: 1 x coaxial (BNC), 1 x coaxial (RCA), 3 x optical, 1 x USB, 1 x Network
Line level Output: 1 x unbalanced fixed (RCA), 1 x unbalanced variable (RCA)
MQA supported inputs: USB, BNC, Optical and Coaxial
Frequency response: 5 Hz - 180 kHz
Signal-to-noise ratio: More than 100 dB
Crosstalk: Less than -100 dB
Distortion: Less than 0.005% @ 50 W/8 Ω/1 kHz
Intermodulation: Less than 0.01% (19 kHz + 20 kHz)
Damping factor: More than 4000 (main power output stage)
Dimensions incl feet: 14,5 cm x 43 cm x 44 cm (HxWxD), 20 kg unit weight
Special features: Set Startup volume | Set max volume | Software upgradable | Configure all inputs as fixed level inputs | IP control