Filtek BFE BKE3 Stereo Compressor Limiter Expander – Neumann U473 Style | Vintage Classic Haufe Transformer | Precision Monitor Controller | Analog Summing Mixer Hybrid

Filtek BFE BKE4 Stereo Compressor Limiter Expander – Swiss equivalent of Neumann U473 Style – vintage compressor / peak limiter / expander module – Vintage Classic Haufe Transformer | Precision Monitor Controller | Analog Summing Mixer Hybrid

Features & Functions:

1. Stereo Compressor/Limiter/Expander

   • Inspired by the Neumann U473 design

   • The BKE–3 is a limiter-compressor-expander in a standard cassette size I (control unit 190×40×110mm).
   • The device can maintain modulations at a desired level without exhibiting the known distortion effects of transistor limiters.
   • Swiss equivalent of Neumann U473 A

   • Equipped with Haufe transformers for vintage analog sound

   • Compressor Limiter Expander – Neumann U473 style

1. Precision Monitor Controller

   • Left & Right precision attenuators for accurate level control

   • AB combiner for flexible monitoring options

   • Selectable output routing (A / Mute / B)

1. Analog Summing Mixer

   • 8-channel summing with balanced inputs

   • External TRS input for summing or compression integration

   • 1/2 mono switch for summing flexibility

   • The summing mixer is always routed to the compressor inputs. If you don’t need it, simply unplug all summing inputs.

1. Compressor Routing & Input Control

   • Input selection (A, B, or C = COMP)

   • External TRS input for direct compression or summing

   • Sidechain SC filterTRS  input for additional tonal shaping

1. Rear Panel Connectivity

   • XLR inputs and outputs for BFE compression

   • TRS Filter (sidechain) BFE Input

   • Controller inputs for routing options (A, B, and COMP)

   • DB25 connector for summing mixer input (1-8)

   • External TRS inputs for summing and compression integration

   • Controller outputs for flexible monitoring setup

Ideal For:

• Hybrid mixing setups

• Analog summing and outboard compression

• Master bus processing with transformer-based color

• Precision monitoring with stepped attenuation

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