Empirical Labs EL/Rx-H DocDerr
Estimated delivery in Italy between 22 and 22 October
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500 Series equalizer and tone control - horizontal version
- Six sections of digitally controlled analog processing
- API 500 format, horizontal panel
The DocDerr is a multi-purpose 500 series tone enhancement module housing six sections of digitally controlled analog processing. The result of over two years of development, it offers a unique combination of power and musicality in a compact format. It is the first Empirical Labs compressor in the API 500 format.
An ultra-low noise preamplifier, usable with line or instrument signals, is followed by four EQ sections: a two-position high-pass filter and three parametric bands, each with carefully tuned frequency presets. An internal jumper turns the DocDerr into an instrument preamplifier with 16 dB of gain, ideal for acoustic guitar, bass, and synthesizers.
Following the EQ is a dynamics section with renowned Empirical Labs compression and a tape emulation circuit that softens high frequencies and transient peaks. The Mix knob allows you to blend the uncompressed equalized signal with the compressed and saturated one, for instant parallel compression.
Like all ELI 500 series modules, the EL-Rx is available with a horizontal or vertical front panel and is stereo linkable. Ideal for tracking, in the mix, or for the acoustic musician looking for studio-quality sound control.
Technical specifications
- Six sections of digitally controlled analog processing
- Frequency response: 3 Hz – 180 kHz on the EQ section (-3 dB)
- Dynamic range: 120 dB; typical noise floor -91 dBu with Mix at 0
- Distortion: from 0.0006% to 10% at 1 kHz, depending on mode and settings
- Maximum input: +22 dBm (Line In); Maximum output: +28.5 dBm
- Compressor: attack approx. 1 ms, release 0.2 s; stereo linkable (with powered EL500 rack)
- Input impedance: 120 kOhm (Instrument), 20 kOhm (balanced Line); output impedance < 75 Ohm
- Guitar adapter cable included
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About Empirical Labs
Empirical Labs is a US-based company founded in 1989 by Dave Derr, headquartered in New Jersey, and specialized in the design and manufacture of professional audio signal processing equipment. Their first product, the Distressor, developed starting in 1994 and marketed from 1996, represented the starting point of the brand’s production and defined its approach to the design of original analog processors. Over the years, Empirical Labs has expanded its range with compressors, dynamics processors, microphone preamplifiers, equalizers, and processors dedicated to saturation and the simulation of analog behavior, including the FATSO, Mike-E, Lil FrEQ, and DerrEsser. The company also develops plug-ins and DSP software, including Arousor, and manufactures its devices in the United States, subjecting them to manual calibration and testing.
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Shipments
Shipments
We ship throughout Italy and the European Union via selected express courier partners. All orders travel in special reinforced packaging and are covered by 100% included insurance to fully protect the value and integrity of professional equipment during transport.
Returns and refunds
Returns and refunds
You can request a return within 14 days of receiving the order. As these are professional hardware and devices, items must be returned completely intact, unused, unactivated, and sealed in their original packaging, complete with all accessories and manuals.
Frequently Asked Questions
Can't find the answer you're looking for? Our team of specialists is at your disposal for configurations or technical questions.
What are your shipping and delivery times?
What are your shipping and delivery times?
Orders are processed within 24/48 business hours. Delivery is made by insured express courier to guarantee maximum protection and safety even for the most delicate and expensive equipment.
Are the products covered by an official warranty?
Are the products covered by an official warranty?
Yes, all products are 100% original and covered by the official 24-month manufacturer's warranty. In addition, our technical department offers free after-sales support to assist you with the initial setup of your system.
How does the right of withdrawal work?
How does the right of withdrawal work?
If the hardware does not meet your expectations, you can return it within 14 days of receipt. The product must be returned intact, unused, and sealed in its original packaging, complete with all accessories and manuals.
What does it mean if a product is "Available on order"?
What does it mean if a product is "Available on order"?
Some complex professional audio systems or lighting equipment are ordered directly from official distributors based on customer requests. You can proceed with the purchase as normal and our team will immediately inform you of the exact arrival times at our warehouses.
