MASTERING

Mercury

Mastering D/A Converter

Mercury is the first mastering DA-converter in 120V technology. It offers seven digital stereo input sources, all of which can be synchronized with each other or with a word clock. The additional variable output qualifies Mercury as a monitor controller.

Seven Digital Sources

Mercury provides connections for a total of seven digital stereo input sources. 

For each digital source there is a dedicated and illuminated tactile switch for quick selection and quick comparison.

The detected sample rate is shown in the display.

One USB input and two coaxial, two optical and two AES/EBU inputs are available. AES input 2 also supports Dual-Wire (DW) mode.

“The SPL Mercury Mastering DA converter provides me with a fantastic stereo stage and an absolutely precise phantom center. The difference to other converters is clearly audible.”

Show Me

Sync

The display shows the synchronization status and the detected sampling rate. Any source except USB can be synchronized to another source or to an external Word Clock.

If the sync “Source” is selected in the display, each source uses its own sync code embedded in the signal.

O dBfs

Holding the Sync button for more than two seconds Mercury will change to the 0dBfs display.

Mercury offers all reference levels in dBu corresponding to a 0 dBfs (full scale) digital signal: +14, +15, +16, +17, +18, +20, +22 and +24 dBu 

Fix And Variable Outputs

Fix & Var

The FIX OUT is an analog balanced stereo output which can be calibrated to all common reference levels (see 0 dBfs).

Mercury offers a variable analog balanced stereo output. This output provides the same signal as the FIX OUT, but the level is continuously adjustable. Thus Mercury can also be used as a state-of-the-art monitor controller.

Variable Output

This analog potentiometer is used to control the level of the VAR OUT output. We use the ALPS RK27 “Big Blue” potentiometer with a nice “spoon in honey” feel and excellent channel tracking. So not only the auditory but also the haptic experience of volume control is at the highest level.

Play Video
This video leads you step by step through the Mercury.
Play Video
This video introduces you to the entire mastering series.

The 120V technology

The 120V technology is our reference technology. The 120V technology is unique in the world. It operates at a DC voltage of 120 volts. This is four times that of IC-based semiconductor op-amps.

The highest possible audio quality requires the highest possible audio operating voltage.

The 120V technology works with +/-60 V. To be able to handle such a high voltage, we have developed special proprietary operational amplifiers that can operate with a DC voltage of +/-60 V: the SPL 120V SUPRA operational amplifiers.
This high voltage would destroy conventional components and operational amplifiers.

By the way, the “120V” in the name of the technology has nothing to do with the local mains voltage from the mains power socket. This is about the operating voltage inside the device with which the audio signals are processed.

The mains voltage from the mains power socket is transformed to the required secondary voltage in the device’s internal linear power supply with toroidal transformer. Rectifiers convert this AC voltage into DC voltage required in the audio device.

The idea for SPL 120V technology and the SUPRA operational amplifier based on this technology were developed in the 1990s by SPL founder and chief developer Wolfgang Neumann.

With the goal of building the best mastering console ever, this basic technological philosophy then took shape for the first time – thus the SPL MMC1 Mastering Console for Galaxy Studios saw the light of day in 2000.

SPL MMC 1 in the „Galaxy Mastering Studios“
SPL MMC 1 in den „Wisseloord Studios“

The outstanding sonic and technical features quickly got around in the scene – so further orders were not long in coming.

Besides the MMC 1, another legendary product with 120V technology was created with the PQ, the “King of Parametric Equalizers”.

Since that time, 120V technology has been the foundation for all SPL premium products. Meanwhile, not only for mastering applications, but also for the, studio or hifi use.

SPL PQ – Modell 2050

What exactly is that?

And what does it do?

Good questions need good answers.

And that’s what the 120V technology video gives you.

Play Video

Reviews

Amazona

Other Mastering Series Products

Gemini
Gemini
Mastering M/S Processor
Hermes
Hermes
Mastering Router
MC16
MC16
16-channel Monitor Controller
DMC
DMC
Mastering Console
IRON
IRON
Mastering Compressor
PQ
PQ
Mastering Equalizer
PASSEQ
PASSEQ
Passive Mastering Equalizer

Manuals

Play Video
Replacement of defective fuses for 115V
Play Video
Replacement of defective fuses for 230V
Play Video
Changing the mains voltage from 115V to 230V
Play Video
Changing the mains voltage from 230V to 115V

Specifications

Analog inputs & output; XLR (balanced)

Maximum input & output gain
32.5 dBu
Input impedance
20
Output impedance
75 Ω
Common mode rejection
-82 dBu
Frequency range (-3 dB)
4 Hz – 300 kHz
Crosstalk (1 kHz)
-108 dBu
THD (0 dBu, 1 kHz)
0.000992 %
Noise (A-weighted)
-102.5 dBu
Dynamic range
135 dB

Digital Inputs, DAC768

AES/EBU (XLR), PCM sample rates
44.1/48/88.2/96/176.4/192 kHz
Coaxial SPDIF (Cinch), PCM sample rates
44.1/48/88.2/96/176.4/192 kHz
Optisch SPDIF (Toslink F06), PCM sample rates
44.1/48/88.2/96/with Glass fibre <1 m: 176.4/192 kHz
USB (B), PCM sample rates
44.1/48/88.2/96/176.4/192/352.8/384/705.6/768 kHz
USB (B), DSD over PCM (DoP), sample rates
2.8 (DSD64), 5.6 (DSD128), 11.2 (DSD256) MHz
0 dBfs calibrated to
15 dBu

Internal Linear Power Supply with Shielded Toroidal Transformer

Operating voltage for analog audio
+/- 60 V
Operating voltage for relays and LEDs
+ 12 V

Mains Power Supply

Mains voltage (selectable, see fuse chamber)
230 V AC / 50; 115 V AC / 60 Hz
Fuse for 230 V
T 500 mA
Fuse for 115 V
T 1 A
Power consumption
max. 40 VA
Stand-by power consumption
< 0,3 W

Dimensions & Weight

W x H x D (width x height x depth)
482 x 44 x 300 mm
19 x 1.73 x 11.8 inch
Unit weight
4.55 kg
10 lbs
Shipping weight (incl. packaging)
6.7 kg
14.77 lbs

Reference: 0 dBu = 0,775 V. All specifications are subject to change without notice.

The Drivers

Mac OS & iOS

No driver installation required for Mac or iOS devices (class compliant).

iOS devices must be connected using the Apple camera adapter.

Windows

To operate with a higher than the standard sample rate this driver installation is required.

 

Windows 10 up to 21H2, 11 up to 22H2
(32/64 bit)

Previous Version

Windows 10 up to 21H2, 11 up to 21H2
(32/64 bit)

Legacy Driver
(last version with Windows 7/8/8.1 support)

Windows 7/8/8.1 and Windows 10 up to (2009/20H2)
(32/64 bit)

ProAudio
HiFi