Classic Recording Studio Equipment

Vintage Digital

SPL PQ

SPL PQ Mastering Equalizer

The SPL PQ is a unique equalizer, for several reasons. It has two times five fully parametric filter bands, each of which can be switched between constant Q and proportional Q! And there’s sheer unlimited headroom and a very special kind of EQ sound – thanks to 120V technology.

SPL PQ Mastering Equalizer Details

Introducing the SPL PQ Mastering Equalizer: Unleash Your Sonic Creativity! Are you in pursuit of audio perfection, seeking a tool that offers precise control over your sound like never before? Look no further than the SPL PQ Mastering Equalizer. Crafted with the most discerning audio professionals in mind, this equalizer is a true masterpiece that empowers you to shape your audio with finesse.

Stepped Potentiometers for Effortless Precision
Recall your settings effortlessly, thanks to the 41-step potentiometers. With each step, you have the power to fine-tune your audio to perfection, ensuring that no detail goes unnoticed.

Cut/Boost & 1/4 Gain for Ultimate Flexibility
With the SPL PQ Equalizer, each filter band can be boosted or cut by up to 20 dB, allowing you to sculpt your sound with surgical precision. And when subtlety is your aim, engage the 1/4 Gain switch to reduce the range from +/-20 dB to +/-5 dB, enabling the most delicate adjustments.

Versatile Frequency Bands to Tackle Any Challenge
The PQ Equalizer’s frequency distribution is designed to provide ample overlap between the bands, allowing you to address even the most problematic frequencies with ease:

  • LF (Low Frequency): 10 Hz – 330 Hz
  • LMF (Low-Mid Frequency): 33 Hz – 1 kHz
  • MF (Mid Frequency): 128 Hz – 4.1 kHz
  • MHF (Mid-High Frequency): 310 Hz – 10.2 kHz
  • HF (High Frequency): 760 Hz – 24 kHz

 

Bandwidth Q for Precision Control
The bandwidth Q determines the sharpness of the bell curve, with a small Q providing a wider bandwidth and a high Q delivering a narrow bandwidth. Whether you need surgical precision or a more gentle touch, the SPL PQ Equalizer has you covered.

Constant & Proportional Q for Artistic Freedom
The SPL PQ Equalizer offers both constant and proportional Q modes, allowing you to choose between a consistent amplitude or one that adjusts with the bandwidth. This level of control is perfect for eliminating interfering frequencies or exploring creative sonic possibilities.

Effortless On/Off Control
The orange On/Off button for each filter band simplifies your workflow, making it easy to engage or disengage specific bands as you fine-tune your audio.

Auto Bypass and Interval Control for Objectivity
For objective evaluation of your edited music program, the SPL PQ Equalizer includes an Auto Bypass feature. This lets you focus on the program’s essence without manually toggling between the original and edited signals. The Interval control allows you to adjust the switching time window to suit your needs.

Seamless Dual-Mono and Stereo Processing
The SPL PQ Equalizer is a dual-mono, two-channel equalizer that can process two mono music programs independently. It also excels at stereo editing. Activating the Link function simplifies your workflow by synchronizing the LF, LMF, MF, MHF, HF On/Off, and Con. Q/Prop.Q settings on both sides of the equalizer with a single button press.

Channel On/Off for Streamlined Workflow
Efficiency is at the heart of the SPL PQ Equalizer. The orange Channel On/Off button allows you to quickly enable or disable an entire channel, keeping your audio production process streamlined and hassle-free.

Unleash your creativity and take control of your audio like never before with the SPL PQ Mastering Equalizer. Elevate your sound to new heights and discover a world of sonic possibilities with this exceptional equalizer.

Specifications

Released

  • Maximum input & output gain 32.5 dBu
  • Input impedance 20 kΩ
  • Output impedance 75 Ω
  • Common mode rejection -82 dBu
  • Frequency range (-3 dB) 10 Hz – 100 kHz
  • THD & N (+30 dBu, 1 kHz) 0.0005 %
  • Noise (A-weighted) -94.3 dBu
  • Dynamic range 135 dB
  • W x H x D (width x height x depth) 482 x 177 x 300 mm
  • Weight 15.2 kg

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The details provided above are drawn from historical documents like advertising brochures or user manuals. They’re shared without bias or review. This info is given solely for your consideration, helping you gauge its usefulness to you.

SPL PQ

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The SPL PQ Mastering Equalizer is a fully parametric, dual-channel five-band equalizer, based on SPL’s pioneering 120V rail technology.

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