Arrel Audio ER-100 Eurorack 8 Channel Mixer Module

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Arrel Audio ER-100 Eurorack Mixer and Output Stage in excellent condition for sale. There's a bit of rack rash but nothing too bad, and the Knurlies provided (in pictures) will cover it. This thing has insane specs and is probably the best Eurorack mixer out there, with transformer isolated balanced outputs, perfect square wave reproduction and large bandwidth - it offers a high dynamic range with ultra-low noise design, and it sounds very clean and clear as a result. Printed A4 user manual is also included.  

ARREL Audio Eurorack Stereo Summing Mixer is the answer to all stream mixing needs for EURORACK synthesizers. Its features set it apart from other similar products on the market due to a very high fidelity approach used for the design of the electronics together with the use of line transformers to drive the L and R outputs. The circuit used in the ER-100 is directly derived from our line of professional audio units in order to obtain the best sonic performances.

The use of line transformers means a higher voltage output level (about 10 dB over the competitors), suitable to drive all modern audio converters. Output transformers mean also a very reliable connection in terms of unbalancing and ground loops problems. The ER-100 is characterized by 8 input channels and a stereo output.

Each channel is characterized by a pan pot control, a volume control and a solo button. A stereo insert controllable by a switch is available on the output bus. The monitor section is characterized by a volume control and a monitor out. An auxiliary input is available (push button selection), suitable for monitoring DAC or general external inputs such as a CD. Two LED VU meters are available on the output bus.


EURORACK OUTPUT LINE TRANSFORMER (ER-OLT)

High quality output line transformers means a lot of advantages especially when used in the Eurorack environment such as: increase in the signal output level over the Eurorack standard level that is limited by the low supply voltages (+12V/-12V), no problems with ground loops (transformer galvanic isolation), no problems when the output will be unbalanced. Transformer galvanic isolation assures that the output signals are floating with respect to the ground so you can unbalance without problems. The possibility to unbalance the L and R output signals can be very useful in a lot of live situations.

LARGE BANDWIDTH (LBW)

Large Bandwidth (LB) means a very fast transient response able to represent the original sound with the maximum temporal resolution. LB is required to improve the perception of a “real sound” and to represent the details of the original sound.  

PERFECT SQUARE WAVE (PSW)

Large bandwidth plus very low total harmonic distortion means a perfect square wave reproduction.  

ULTRA LOW NOISE (ULN)

Ultra Low Noise (ULN) active and passive components and ULN design techniques. This requirement is especially important when the audio bandwidth is large as in the case of ARREL Audio products.

HIGH DYNAMIC RANGE (HDR)

High Dynamic Range (HDR) means that the saturation probability of the output stages is very low. This is obtained by using a step up transformer in the output stage.

ELECTROMECHANICAL FAULT TOLERANCE (EFT)

Electro-mechanical tolerance means that electromechanical components are doubled in every situation in which maximum reliability it is important due to a frequent use (switches, push buttons, potentiometers).

THROUGH-HOLE TECHNOLOGY (THT)

Through Hole technology means the maximum reliability in terms of thermal and mechanical stresses especially for connectors and electromechanical components.

Product Specs

Condition:
Excellent (Used)
Brand
Arrel Audio
Model
ER-100
Categories
Eurorack
Made In
Italy

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SYNTH_GOOD
Joined Oct 2018
BRISTOL, United Kingdom

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SYNTH_GOOD

BRISTOL, United Kingdom
Joined: Oct 2018

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