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Dizengoff D4
Preamp

MPN: D4
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With the sound of a classic 60s British console, the Dizengoff D4 preamp could be the 'revolution' your front end has been waiting for!

  • Single channel preamplifier
  • A tribute to a classic British console of the '60s
  • XLR input and output
  • DI input
  • 12 position stepped gain control, 20-60dB
  • Trim control, for fine adjustment of gain
  • 20 dB pad, +48V phantom power and polarity invert
  • Frequency response 20 Hz-60 kHz
  • THD+N at 1 kHz: 1%,+4 dBU, 10-24 kHz bandwidth
  • S/N -90dBA at maximum (+60dB) gain, 10-24kHz bandwidth

The Dizengoff D4 is a tribute to a rare and much loved British tube console from the 1960’s.

The original circuit was designed 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 Dizengoff 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 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.

Please note that these videos are dynamically generated by means of a Youtube search for the phrase "Dizengoff D4" to save you time searching Youtube yourself. As such, the views expressed may not be those of Red Dog Music Limited, any product features or specifications quoted should be confirmed with Red Dog Music staff prior to ordering, and the content may not always be relevant to the product shown on this page.

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    • Single channel preamplifier
    • Based on the legendary RCA BA2C tube preamp
    • 0-52dB gain
    • XLR input and output
    • DI input
    • 0-52dB gain
    • 20dB pad, phantom power and polarity invert
    • Frequency response 10 Hz-50 kHz
    • THD+N at 1 Khz: 1%,+4 dBU, 10-24 kHz bandwidth
    • S/N -82dBA at maximum (+50dB) gain, 10-24 kHz bandwidth
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    • Continuously variable gain control
    • Front panel instrument input
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    • 80 Hz rolloff filter
    • 48V phantom power
    • 15 dB Pad
    • Polarity flip
    • 12 to 15V operation - 100 to 240V line lump power supply, 12V output, included
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    • Fully Featured discrete class "A" Tube Microphone Preamplifier
    • 1/4" High Z input on the front panel
    • Selectable plate Voltage
    • Smooth musical sounding Optical Compressor
    • Separate Attack and Release controls
    • Auto/Manual Attack/Release switch
    • Parametric EQ
    • Large VU and LED meters
    • Toroidal power transformer for low noise
    • Selectable Source switches for VU signal monitoring of any section of the unit
    • Two insert loops
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    • Provides Superior Preamplification for: Microphones, Instruments and Line Level Sources
    • V3 - Variable Valve Voicing
    • OPL - Output Protection Limiting
    • Hand Selected 12AX7a Provides 70dB of Gain Smooth, Warm and Fat Sound Quality
    • Variable Input and Output Gain Controls
    • Excellent as a Tube DI
    • XLR and 1/4" Inputs and Outputs +48 volts
    • +48 Volts of Phantom Power
    • Phase Reversal Switch
    • Superior Sonic Performance to On-Board Preamps
    • TEC-Award Nominated Design
    • Portable, All Steel Construction
RRP: £869.00

£599.00 inc VAT

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  • Extended seasonal exchange
  • Items bought 1st November 2017 to 24th December 2017 are eligible for our Extended Christmas Exchange and can be exchanged until Wednesday 31st January 2018.

  • 1 year warranty
  • This product comes with a 1 year warranty as standard.

    Please note that you will need to register your product with the manufacturer to qualify for any warranty beyond 12 months.

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