SPL Crescendo

SPL Crescendo

SPL Crescendo

  • 8 Channel Microphone Preamplifier
  • Flawless, transparent sound perfect for almost any source
  • 120V operating technology ensures massive headroom
  • High-voltage SUPRA op-amps
  • Wide 18dB - 70dB gain range, or -2dB to 50dB with pad
  • Discrete output stage for driving long cable paths without signal degradation
  • Mu-metal shielded Toroidal transformer PSU
  • Active servo circuits avoid the use of coupling capacitors
Normally ships 5-9 days

The Crescendo offers 8-channels of flawlessly transparent microphone preamps boasting massive dynamic range, ultra low distortion, and the ability to capture even the finest details in recording, all in 3U of 19” rack space.

As Clean As They Come

Thanks to SPL’s specially developed 120V technology, powered by high voltage SUPRA op-amps, Crescendo's operating headroom is such that the preamps are essentially impossible to overdrive. This provides a potential internal operating voltage of +/- around 60 volts and enables the preamp circuit to amplify even rapid transients.

Remain In Control

Each of Crescendo’s 8 preamp channels can be independently operated with all the trimmings you’d expect from modern studio preamps including gain control, polarity reverse, 48v phantom power, a 20dB pad for use with more boisterous signals, and a dedicated per-channel VU read-out meter. To accommodate the widest range of microphones possible, the microphone gain of each channel ranges from 18 to 70dB allowing plenty of operating room even for low output sources such as ribbon microphones.

Meticulously Designed

Technical innovation within the Crescendo is up to SPL’s usual high standard. Differential amplifiers are built with precisely matched transistor pairs and combined with thermal coupling to ensure an impressively low thermal distortion.

The discrete output stage op-amps also operate a 6mA dormant current ensuring the Crescendo meets the standard of Class-A operation.

Finally, a specially selected Toroidal transformer power supply is shielded with a custom-fabricated sheeting integrated into the Crescendo’s housing to avoid electrical interference and ensure no power noise bleeds into the range of the preamps.


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In addition to personalised advice, we also offer quotations for our products and services. If you're planning a project or considering a purchase and have found a better price elsewhere, let us know. We strive to offer competitive rates and will do our best to accommodate your budget. Email us your requirements and we will provide a detailed quote to help you plan your investment with clarity and confidence.

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Email us now for tailored advice, bespoke quotations, and solutions that respect your budgetary considerations. sales@giraffeaudio.com