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Rupert Neve Designs MBT Operation Manual

Master bus transformer
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MBT
Master Bus Transformer
Operations Manual
Operations Manual

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Summary of Contents for Rupert Neve Designs MBT

  • Page 1 Master Bus Transformer Operations Manual Operations Manual...

  • Page 2: Important Safety Instructions

    CAUTION: Changes or modifications to this device not expressly 11. Only use attachments/accessories specified by the manufacturer. approved by Rupert Neve Designs LLC, could void the user's authority to 12. Use only with a cart, stand, tripod, bracket, or PORTABLE CART operate the equipment under FCC rules.
  • Page 3 Table of Contents Introduction Block Diagram Front Panel Rear Panel MBT Features Specifications Limited Warranty...
  • Page 4 Thank you for purchasing the Rupert Neve Designs Master Bus Transformer. We hope you enjoy using this prod- uct as much as we have enjoyed designing and building it. The MBT features a shelving EQ, an opto compressor, a stereo field processor and an upgraded SILK section. The MBT is designed to provide a range of tonal options with EQ, compression, and harmonic control, ensuring it will be useful in a wide variety of both mix bus &...

  • Page 8: Gain Reduction

    MBT Front Panel Features INPUT LEVEL LED indication that illuminates GREEN when the input signal reaches -20dBu and illuminates RED to show when the input signal reaches +23dBu. This indication is post input trim control. INPUT TRIM 31-detent potentiometer that controls the input level within a range of +/- 12dB.
  • Page 9 MBT Front Panel Features (continued) RELEASE 31-detent potentiometer that controls the Release time of the compressor within a range of 100mS to 1.5S. RATIO Opaque push-button switch that toggles between a LO (OUT) 2:1 ratio and a HI (IN) 5:1 compressor ratio curve.

  • Page 10: Output Trim

    BYPASS ALL Push-button switch that illuminates RED when the master bypass is engaged. This master bypass is a true hard- wire bypass that ensures the MBT will pass audio in the event that power is lost. OUTPUT TRIM 31-detent potentiometer that controls the amount of output trim within a range of +/- 12dB.
  • Page 11 GND LIFT Slide switch that lifts XLR Output Pin 1 from chassis ground to minimize ground loops. OUTPUT Balanced XLR outputs with custom Rupert Neve Designs transformers capable of handling up to +25.5 dBu at 1kHz. INPUT Balanced XLR combo jack inputs capable of handling up to +25.5 dBu at 1kHz.
  • Page 12 MBT Specifications Note: All specifications are typical, all measurements recorded using 25ft XLR output cables with Balanced = 40 ohm SOURCE Input Impedance 10 kilohm No features Engaged Noise (22 Hz - 22 kHz) Better than -95 dBu THD+N (0 dBu @ 1 kHz) Better than 0.004%...
  • Page 13 MBT Specifications (continued) SILK Engaged Noise (22 Hz - 22 kHz) Better than -95 dBu THD+N (+20 dBu @ 1 kHz) Better than 0.003% Product Dimensions (W x D x H) 19” (48.3 cm) x 10.125” (25.7 cm) x 3.5” (8.9 cm) Shipping Dimensions (W x D x H) 22”...

  • Page 16: Product Warranty

    PRODUCT WARRANTY Rupert Neve Designs warrants this product to be free from defects in materials and workmanship for a period of three (3) years from date of purchase, and agrees to remedy any defect identified within such three year period by, at our option, repairing or replacing the product.

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