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User Manual for Dizengoff D4 Tube Preamp for Microphones and Instruments Click to enlarge the picture
Contents of the user manual for the Dizengoff D4 Tube Preamp for Microphones
- Product category: Microphone Preamps Dizengoff
- Brand: Dizengoff
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Dizengoff Microphone Preamps
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User manual for the Dizengoff D4 Tube Preamp for Microphones contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Dizengoff product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Dizengoff user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Dizengoff product will considerably shorten its lifespan!
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Product description The Dizengoff Audio D4 is a single-channel preamp that aims to recreate the classic British console prevalent in the 1960s. The sound of the Beatles, Pink Floyd, the Zombies, and others can, in part, be traced to the preamp upon which the D4 is modeled.Expanding on the gain settings of the original preamp, the D4 offers a range of 20 to 60 dB by means of its 12-position rotary attenuator, which is stepped for precision. You’ll also find a variable fine-trim knob; this allows you to finely attenuate the gain between 2 and 4 dB, depending on the gain’s setting. A wide, hefty sound is secured with an EF86 pentode vacuum tube, while the signal path transformers, wound in Chicago, take advantage of modern materials to achieve a fidelity commiserate with today’s standards.For exceedingly loud signals, a 20 dB pad is provided, while condenser microphones plugged into the XLR input can be supplied with 48V phantom power through an onboard switch. You can also flip signal polarity with a 180° toggle. In addition to the XLR input, you’ll have access to a 1/4” DI input for guitars, basses, and the like.Instead of a wall-wart, the D4 utilizes an internal power supply built around a Japanese Nippo Steel R-core power transformer, giving you efficiency and low-noise in the same package. The preamp takes up 2 RU of rack space, and provides a frequency response of 20 Hz to approximately 60 kHz. In the Box Dizengoff D4 Tube Preamp for Microphones and Instruments Limited 1-Year Warranty on Preamp Limited 30-Day Warranty on Tubes Table of Contents
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Technical parametersDizengoff D4 Specs | Tube | 1 x EF86 Pentode | | Transformer | Input Transformer: 80% nickel
Output Transformer: 50% nickel | | I/O | 1 x XLR input
1 x 1/4" input
1 x XLR output | | Controls | Gain Knob: 12-position, stepped, 20 to 60 dB range
Trim Knob: Variable adjustment, 2 to 4 dB range depending on gain setting
Pad Switch: -20 dB
Polarity Switch: 180°
Phantom Power Switch: 48 V | | Frequency Response | 20 Hz to 60 kHz | | THD+N | At 1 kHz: 1%, 4 dBu gain, 10 Hz to 24 kHz bandwidth | | Signal to Noise Ratio | -90 dBA at maximum (+60 dB) gain, 10 Hz to 24 kHz bandwidth | | Power | IEC power inlet | | Rack Units | 2 RU |
Rating80% users recommend this product to others. And what about you?
This product has already been rated by 97 owners. Add your rating and experience with the product.
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