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Dizengoff Audio D4

Estimated price for orientation: 650 $

Category: Preamps and Channel Strips
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Description
Condition: Manufacturer refurbished: An item that has been professionally restored to working order by a manufacturer or manufacturer-approved vendor. This means the product has been inspected, cleaned, and repaired to meet manufacturer specifications and is in excellent condition. This item may or may not be in the original packaging. See the seller’s listing for full details. See all condition definitions- opens in a new window or tab ... Read moreabout the condition Brand: Dizengoff Audio
UPC: Does Not Apply MPN: D4


Matt from  Dizengoff Audio is an amazing  inventor. I was blessed to have two of these wonders. I only am selling this because I have an extra and just bought the DA2 and D864 from him. I love the way it saturates  and the gain control. The easy of use is amazing. I will probably buy two more later on but I am rebuilding two studios and getting our mastering equipment together.
The Dizengoff D4 is a tribute to a rare and much loved British tube console from the 1960’s.  The original circuit was designed by the Recording Engineering Development Department as a replacement for the Siemens V72S amp cards used in an earlier British console.  It featured three gain settings (+36, +40, and +46), and a ‘fine trim’ knob that allowed the user to trim gain by a few dB.  The D4 has expanded that range from +20 up to +60 using a 12 step rotary attenuator.  Like the original design, the D4 ‘trim’ control allows the user to fine tune the gain by 2-4dB depending upon the gain switch setting.The sound is huge and open–heard on albums recorded by The Beatles, Pink Floyd, and The Zombies between 1964 and 1968.  It has incredible detail, and the kind of wonderful coloration that only an EF86 pentode can deliver.  It’s often considered to be the sound of John Lennon’s “Revolution,” which used two console channels in series to achieve an overdriven sound.Signal path transformers are custom wound right here in Chicago. They’re based on the transformers used in the original, but they take advantage of modern materials.  The input transformer is a hi-nickel (80% nickel content) and the output transformer is a lo-nickel (50% nickel) for excellent fidelity.The power supply is internal. It’s built around a Japanese Nippo Steel R-core power transformer. It has extremely high efficiency and low noise compared with traditional E-I core transformers and plays a significant part in achieving the D4’s low noise performance. Features:2U aluminum chassisIEC power inletXLR input and outputDI input12 position stepped gain control, 20-60dBTrim control, for fine adjustment of gain20dB pad+48v phantom powerphase reverse Specs:Frequency response 20Hz-60kHzTHD+N at 1Khz: 1%,+4dBU, 10-24kHz bandwidthS/N -90dBA at maximum (+60dB) gain, 10-24kHz bandwidth We are Dizengoff Audio, home of the new Chicago sound.  We love to build affordable, limited edition tributes to classic recording gear based on the original circuitry.