behringer CP35 ATTENUATORS Legendary Analog Attenuator and Multiples Module User Guide

August 19, 2024
Behringer

behringer CP35 ATTENUATORS Legendary Analog Attenuator and Multiples

Module

Product Specifications

  • Product Name: CP35 Attenuators
  • Type: Analog Attenuator and Multiples Module
  • Compatibility: Eurorack systems
  • Version: 2.0

Product Usage Instructions

Safety Instructions

  1. Please read and follow all instructions.
  2. Keep the apparatus away from water, except for outdoor products.
  3. Clean only with a dry cloth.
  4. Do not block any ventilation openings. Install following the manufacturer’s instructions.
  5. Avoid installing near heat sources.
  6. Use only attachments/accessories specified by the manufacturer.
  7. Use only specified carts, stands, tripods, brackets, or tables. Use caution to prevent tip-over when moving.
  8. Avoid installing in confined spaces like bookcases.
  9. Do not place near naked flame sources, such as lighted candles.

CP35 Attenuators Controls

  • When connected to the first attenuator, the signal passes to all 4 outputs. Additional input will break the chain from the previous input. For example, Input 1 initially feeds all 4 outputs. If you add a signal to Input 2, then Input 1 will only feed Output 1, and Input 2 will feed Outputs 2, 3, and 4.
  • The input signal is passively attenuated from – to unity (0 dB).

Power Connection
The module comes with the required power cable for connecting to a standard Eurorack power supply system. Follow these steps to connect power to the module:

  1. Connect end P1 to the module socket.
  2. Connect end P2 to the power supply.
    It is recommended to make these connections before mounting the module into a rack case.

FAQ

What should I do if I encounter power supply issues with the CP35 Attenuators?
If you encounter power supply issues, first check the connections between the module and the power supply. Ensure that the power cable is securely connected to both the module socket and the power supply unit. If problems persist, contact customer support for further assistance.

Safety Instruction

  1. Please read and follow all instructions.
  2. Keep the apparatus away from water, except for outdoor products..
  3. Clean only with a dry cloth.
  4. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
  5. Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including amplifiers) that produce heat.
  6. Use only attachments/accessories specified by the manufacturer.
  7. Use only specified carts, stands, tripods, brackets, or tables. Use caution to prevent tip-over when moving the cart/apparatus combination.
  8. Avoid installing in confined spaces like bookcases.
  9. Do not place near naked flame sources, such as lighted candles.
  10. Operating temperature range 5° to 45°C (41° to 113°F).

LEGAL DISCLAIMER

Music Tribe accepts no liability for any loss which may be suffered by any person who relies either wholly or in part upon any description, photograph, or statement contained herein. Technical specifications, appearances and other information are subject to change without notice. All trademarks are the property of their respective owners. Midas, Klark Teknik, Lab Gruppen, Lake, Tannoy, Turbosound, TC Electronic, TC Helicon, Behringer, Bugera, Aston Microphones and Coolaudio are trademarks or registered trademarks of Music Tribe Global Brands Ltd. © Music Tribe Global Brands Ltd. 2024 All rights reserved.

LIMITED WARRANTY

For the applicable warranty terms and conditions and additional information regarding Music Tribe’s Limited Warranty, please see complete details online at community. musictribe.com/support.

CP35 ATTENUATORS Controls

  1. IN and OUT JACKS – A single input connected to the first attenuator will pass to all 4 outputs. Additional inputs will break the chain from the previous input. For example, input 1 will initially feed all 4 outputs. If you add a signal to input 2, then input 1 will only feed output 1, and input 2 will feed outputs 2, 3, and 4.
  2. ATTENUATOR KNOBS – Adjust the level of the input signal passively from -∞ to unity (0 dB).
  3. 6 VOLT OUTPUTS – These outputs give a reference voltage of -6 Volts on one output pair, and +6 Volts on the other pair.
  4. MULTIPLES – Connect an input signal to one of the 4-jack sections, then send up to 3 copies of the same signal to other devices.

Power Connection

The module comes with the required power cable for connecting to a standard Eurorack power supply system. Follow these steps to connect power to the module. It is easier to make these connections before the module has been mounted into a rack case.

  1. Turn the power supply or rack case power off and disconnect the power cable.
  2. Insert the 16-pin connector on the power cable into the socket on the power supply or rack case. The connector has a tab that will align with the gap in the socket, so it cannot be inserted incorrectly. If the power supply does not have a keyed socket, be sure to orient pin 1 (-12 V) with the red stripe on the cable.
  3. Insert the 10-pin connector into the socket on the back of the module. The connector has a tab that will align with the socket for correct orientation.
  4. After both ends of the power cable have been securely attached, you may mount the module in a case and turn on the power supply.

Installation

  • The necessary screws are included with the module for mounting in a Eurorack case. Connect the power cable before mounting.
  • Depending on the rack case, there may be a series of fixed holes spaced 2 HP apart along the length of the case, or a track that allows individual threaded plates to slide along the length of the case. The free-moving threaded plates allow precise positioning of the module, but each plate should be positioned in the approximate relation to the mounting holes in your module before attaching the screws.
  • Hold the module against the Eurorack rails so that each of the mounting holes are aligned with a threaded rail or threaded plate. Attach the screws part way to start, which will allow small adjustments to the positioning while you get them all aligned. After the final position has been established, tighten the screws down.

Specifications

  • Controls
    • Attenuators 4 x passive rotary attenuators
  • Signal Input
    • Type 4 x 3.5 mm jack, half normalled, DC coupled
    • Impedance < 25 kΩ, unbalanced
    • Maximum input level +20 dBu
  • Signal Output
    • Type 4 x 3.5 mm jack, DC coupled
    • Impedance < 25 kΩ, unbalanced
    • Maximum output level +20 dBu
  • Multiples
    • Type 8 x 3.5 mm TS mono jacks, unbalanced
    • Arrangement 2 sets of 4 parallel jacks, passive
    • Compatibility CV and audio signals
  • 6 V Voltage References
    • Negative 6 V output 2 x 3.5 mm jack, linked
    • Positive 6 V output 2 x 3.5 mm jack, linked
    • Impedance 5 kΩ
  • Power
    • Power supply Eurorack
    • Current draw 1 mA (+12 V), 1 mA (-12 V)
  • Physical
    • Dimensions 106 x 129 x 35 mm (4.2 x 5.1 x 1.4″)
    • Rack units 21 HP
    • Weight 0.18 kg (0.40 lbs)

FEDERAL COMMUNICATIONS COMMISSION COMPLIANCE INFORMATION

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

This equipment complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

  1. this device may not cause harmful interference, and
  2. this device must accept any interference received, including interference that may cause undesired operation.

Important information:
Changes or modifications to the equipment not expressly approved by Music Tribe can void the user’s authority to use the equipment.

Compliance with Directive

  • Hereby, Music Tribe declares that this product is in compliance with Directive 2014/30/EU, Directive 2011/65/EU and Amendment 2015/863/EU, Directive 2012/19/EU, Regulation 519/2012 REACH SVHC and Directive 1907/2006/EC.

  • Full text of EU DoC is available at https://community.musictribe.com/

  • EU Representative: Music Tribe Brands DK A/S
    Address: Gammel Strand 44, DK-1202 København K, Denmark

  • UK Representative: Music Tribe Brands UK Ltd.
    Address: 8th Floor, 20 Farringdon Street London EC4A 4AB, United Kingdom

  • Correct disposal of this product: This symbol indicates that this product must not be disposed of with household waste, according to the WEEE Directive (2012/19/EU) and your national law. This product should be taken to a collection center licensed for the recycling of waste electrical and electronic equipment (EEE). The mishandling of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the efficient use of natural resources. For more information about where you can take your waste equipment for recycling, please contact your local city office, or your household waste collection service.

References

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