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Fredenstein F603A

Fredenstein F603A

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Fredenstein F603A 500-series EQ

The Fredenstein F603A is a high-quality single-slot four-band EQ for the 500-series format.


The Fredenstein F603A can be used for tracking and mixing delivering high-class performance. It features passive LC (inductor/capacitors) filters and a very short signal path for a truly pristine sound. The four bands are split between two shelves for low and high frequency filters each with a choice of four different frequencies, and two mid-range bells both covering six frequencies. Frequencies are clearly indicated by LEDs.  All bands offer +/-16dB of gain.


All filters are switched by relays ensuring the best possible sound quality. The F603A delivers truly unparalleled silkiness and detail. The high power output stage ensures optimum performance throughout.


The F603A retains all parameters when switched off and recalls them automatically when powered up avoiding the need for recall sheets. Like all Fredenstein modules, parameters values are displayed on the LCD screen of a Bento D 500-series chassis.


Fredenstein F603A 500-series EQ Overivew:



  • Frequency Response: 20 Hz - 20,000 Hz, +/- 0.5dB

  • Distortion: < 0.1%

  • Input Noise:;< -129 dB

  • Input Impedance: > 1KOhm (300 Ohms LOW-Z)

  • Max. Input Level: + 12 dBu

  • Output Impedance: 20 Ohms

  • Max. Output Level: + 26 dBu

  • Clip Indicator: + 24 dBu

  • Input Attenuator: - 20 dB (automatic)

  • High Pass Filter: 60 Hz (switchable)

Short Description Single-slot four-band EQ for 500-series format using LC filters and very short signal path to ensure truly pristine sound
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Manufacturer Fredenstein
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Inc. VAT: £489.00 Ex. VAT: £407.50
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