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SPL has earned a reputation as a manufacturer of quality preamps, signal processors and controllers for the recording and mixing segments. At the same time, mastering engineers keen on high-end gear have made our brand a favorite in their studios. To bring these two worlds closer together, we now introduce the NEOS mixer, based on our tried-and-tested 120 V technology.

We conceived the NEOS first and foremost for mixing and monitoring applications in computer-based environments. The compact 7U 19-inch mixer includes 12 stereo buses for 24 channels, and a master bus. Every stereo bus can be switched to mono, while the Master bus features a complete monitoring section. Thus, the NEOS is ideal to mix stereo stems and specific mono channels in analog, after having done all the editing digitally on a computer.

With 120 volts (+/- 60 volts), this powerhouse uses almost four times as much operational voltage as standard studio gear (+/- 15-18 volts). If you are into technical specifications, the NEOS shows performance values that are second to none: >30 dB headroom at the input, >125 dB of dynamic range and 100 dB signal-to-noise ratio.

When we asked Wolfgang Neumann, SPL founder and R&D manager, about why SPL had decided to go analog in the digital age he told us that “high-quality analog gear still offers unbeatable advantages when it comes to mixing and summing audio signals. Why do you think that major recording studios are reluctant to giving up analog technology.” Uhm…Why? “In terms of dynamic resolution, digital systems do a great job, but in order to match the time resolution of analog gear, their sampling rate would need to be somewhere around 500 kHz. When mixing, a high time resolution is needed to really grasp the signal’s structure, which is responsible for location and transparency among other things. And that’s where the advantages of analog technology come into effect — even more so when the technology applied is beyond standard performance, like in the case of our NEOS.” Not that he is our boss or anything, but that surely sounds pretty convincing.

Inputs & Outputs

Electronically balanced instrumentation amplifiers

Sockets: Inputs DB25/TASCAM, XLR; Outputs: XLR

Input Impedance: 10 k Ohm balanced; 20  kOhm unbalanced

Output Impedance: 75 Ohm balanced; 75 Ohm unbalanced

Nominal Input Level: +4 dBu

Maximum Input Level: › +30 dBu (30 dBu = limit of measuring equipment)

Maximum Output Level: › 24 dBu

Measurements

Frequency Range (-3 dB): 10 Hz to › 200 kHz

Phase    1kHz: 0°, 10kHz: -4,5°, 20kHz: -8.30°

Common Mode Rejection Ratio: › 60 dB
(Rec. Out, Insert Send, Monitor A/B)

Total Harmonic Distortion

10Hz Rec. Out: 0.0011%, Insert Send: 0.0011%, Monitor A/B: 0.0016%
100Hz Rec. Out: 0,00060%, Insert Send: 0.0009%, Monitor A/B: 0.0016%
1000Hz Rec. Out: 0.00090%, Insert Send: 0.0013%, Monitor A/B: 0.0020%
5000Hz Rec. Out: 0.0032%, Insert Send: 0.003%, Monitor A/B: 0.004%
10kHz Rec. Out: 0.0028%, Insert Send: 0.0018%, Monitor A/B: 0.0027%
22kHz Rec. Out: 0.00054%, Insert Send: 0.00050%, Monitor A/B: 0.0005%
(Generator output 24dBu, inputs terminated with 40 dBu)

Signal to Noise Ratio (all channels)
Rec. Out: 92 dBu, Insert Send 92 dBu, Monitor A/B: 88dB
(A-weighted, 22 Hz - 22 kHz, inputs terminated with 40 dBu)

Dynamic range: › 122 dB

Power Supply

Linear power supply with toroidal transformer

Operational Voltage : +/- 60Volts  (120 Volts)

Power Consumption (Standby, 230 Volts/50Hz): 0.420A, 75W, 97,8VA

Fuses: 230V AC/50Hz: 315 mA; 115V AC/60Hz: 630 mA

Voltage Selector: 115 V/230 V

Dimensions and Weight

Front panel including rack brackets: 19"/7 U (483 x 310 mm)

Front panel without rack brackets: 440 mm

Housing (W x H x D): 483 x 235 x 330 mm, depth incl. sockets: 355 mm

Weight: 14.1 kg/ca. 31.08 lbs

External Power Supply: W x H x D 154 x 67 x 236 mm, weight: 3 kg/6.61 lbs

Notes:
0 dBu = 0,775 V. All measurements at unity gain.
Specifications are subject to change without notice.