Bettermaker 541639 Stereo Passive Equalizer User Manual

: June 4, 2024
: Bettermaker

Table of Contents

Bettermaker 541639 Stereo Passive Equalizer
IMPORTANT SAFETY INFORMATION
CONNECTIONS
SOFTWARE
GAIN BUTTON EXPLAINED
FIRMWARE UPDATE
PLUGIN CONNECTION WITH HARDWARE
TECHNICAL SPECIFICATION
PLUGIN MODIFIER KEYS
SUPPORTED OPERATING SYSTEMS
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Bettermaker 541639 Stereo Passive Equalizer

Bettermaker-541639-Stereo-
Passive-Equalizer-PRODUCT-img

Thank you for purchasing Bettermaker Stereo Passive Equalizer!

IMPORTANT SAFETY INFORMATION

Do not operate this unit in the presence of rain, liquids or condensing moisture. Liquid entering the
product enclosure presents the risk of electric shock, fire or permanent failure. Use the unit in well-ventilated enviroment. Make sure it is not exposed to high temperatures as it might affect the performance.
Use provided AC/DC adapter only. It will work with variety of mains voltages and all most popular socket types around the world.
No user serviceable parts are available inside the unit. Do not remove the top lid, as it will void the warranty. In case of any questions or issues, please contact your seller. Bettermaker-541639-Stereo-Passive-Equalizer-
FIG-6

CONNECTIONS

For best audio performance use balanced XLRs and quality USB cables (like the one provided with this unit). Please note that the USB link is for DAW control and recall only. It does not stream audio, so the XLR connection with AD/DA converters is needed.
The unit requires external power supply and will not work using USB power only.

SOFTWARE

For most recent versions of firmware and DAW plugins please visit www.bettermaker.com

Bettermaker-541639-Stereo-Passive-Equalizer-FIG-5

GAIN BUTTON EXPLAINED

In normal mode all five knobs control various sections of the passive filter. When the GAIN button is pressed the HIGH CUT knob changes its function and allows to adjust the output level of the unit within +/- 8dB range.
Press the GAIN button again to return to normal mode.
To set the unit to flat frequency response (all filters set to zero) hold the GAIN button for 2 seconds. All controls on the front panel will blink and the unit will set back to

FIRMWARE UPDATE

You can easily update the firmware inside the unit with dedicated macOS/Windows app available on www.bettermaker.com
But first, you need to switch the unit to firmware update mode. Simply hold the GAIN button while powering on with ON/STBY – the button will start to blink rapidly. Follow the instructions provided in the updater application.
If you decide to abandon the firmware update procedure (not recommended if the process has already begun), hold the ON/STBY button for 5 seconds.

STATE MEMORY

Internal non-volatile memory will restore all settings after sudden mains power loss. It will also remember the last ON/Standby choice and provide a power cycle counter and up-time clock.

DAW PLUGIN

Bettermaker Stereo Passive Equalizer is delivered with a hybrid DAW plugin (patent pending) that allows you to control and recall all settings of the hardware. Additionally provides high-quality digital HPF, spectrum analyzer, session snapshots, and other useful functions. defaults. Bettermaker-541639
-Stereo-Passive-Equalizer-FIG-3

SNAPSHOT EXPLAINED

When the Snapshot button is pressed, new panel will appear. Press the button again to hide it.
You can program up to 32 snapshots for SPE state that can be triggered by DAW’s automation.
Use left and right arrows to navigate through snapshots.
Copy and Paste buttons are helpful if you want to use one snapshot as a starting point for another one.

DIGITAL HPF
Under this section hides our famous 24dB/oct high-pass filter with the engage button below.

PLUGIN CONNECTION WITH HARDWARE

Bettermaker-541639-Stereo-Passive-
Equalizer-FIG-1

If you want to use Bettermaker SPE’s full potential, please follow the signal & data flow diagram showed bellow.
The connection with SPE plugin should be established automatically. Once the hardware locks with the software, USB icon on the menu bar turns blue.
In case of multiple SPE units connected, select correct one from the list.

TECHNICAL SPECIFICATION

Maximum input level: +24 dBu (balanced with 48kΩ input impedance)
Maximum output level: +27 dBu (balanced with 50Ω + 50Ω output impedance)
Nominal audio level: +4 dBu
Frequency response: 7 Hz – 30kHz (-0.5 dB, ISO-R40 sweep)
Frequency flatness: +/- 0.2 dB (20Hz – 20kHz, ISO-R40 sweep)
Dynamic range: 101 dB (20kHz bandwidth, +24dBu)
THD+N ratio: 0.009 % (20kHz bandwidth, +4dBu, 1kHz)
THD ratio: 0.0025 % (+4dBu, 1kHz)
CMRR: > 70dB (20Hz – 20kHz, IEC 60268-3)
Crosstalk: > 88dB (20Hz – 20kHz, +18dBu, channel to channel)
Max LF boost: 15 dB (set to 100 Hz)
Max LF cut: 16 dB (set to 100 Hz)
Max HF boost: 18 dB (all frequencies)
Low boost/cut frequencies: 20, 30, 60, 100 Hz
High boost frequencies: 3, 4, 5, 6, 8, 10, 12, 16, 20, 28 kHz
High cut frequencies: 5, 10, 20 kHz
Control Resolution: 101 steps (Lo Boost, Lo Cut, Hi Boost, Bandwidth) & 34 steps (Hi Cut) Output gain: +/- 8 dB (0.1 dB resolution)
Unit height: 2U
Depth: 140 mm
AC power consumption: 15W (2W in standby, with included 100-240VAC power adapter)
Shipping weight & dimensions: 3kg, 60x30x20 cm