Presonus Sceptre S6 Studio Monitor

The Presonus Sceptre S6 is an active 2-way CoActual™ 6.5" studio monitor with a state-of-the-art DSP engine running Fulcrum Acoustic’s TQ™ Temporal Equalization Technology™.
List Price: $899.95
Sale Price: $649.95
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Presonus Sceptre — A New Era in Studio Monitor Design

Announced at NAMM 2013, the Presonus Sceptre S6 and S8 studio monitors are setting a new standard in what an active studio monitor can do. Designed in conjunction with Fulcrum Acoustic's Dave Gunness, the Sceptre S6 uses their TQ™ Temporal Equalization Technology™ to provide sound quality and control previously unheard of in monitors at this price.

Unique Coaxial Design

Coaxial designs have always been tricky. They offer great advantages, but there have always been acoustical anomalies that have been tough to solve. With a coaxial design, the low and high frequency drivers are on the same axis, providing a symmetrical dispersion pattern from a single point source. This is different than your typical two-way speaker design where the speaker elements are separate from each other. What does this mean? With the Sceptre S6's coaxial design, all of the sound originates from the same point, therefore aligning them in "time". This makes the crossover distortion virtually inaudible. This also give the speaker a much wider "sweet spot" because the dispersion is the same at all frequencies and angles.

Now having a coaxial design for the physical components is all well and good, but there are usually other issues that arise. That is where the TQ Temporal Equalization Technology comes in to play. The Sceptre S6's TQ algorithms deal with these issues by using multiple fully addressable, fairly large Finite Impulse Response (FIR) filters to eliminate horn reflections and to correct linear time and amplitude anomalies. The TQ software and the hardware controls on the S6 are designed to work together instead of implementing a DSP fix after the box has already been designed. This gives the Sceptre S6 "a crisper stereo image, greater soundstage depth, more separation between the components of a complex mix, increased resistance to feedback, more seamless transitions between distributed loudspeakers, and a less fatiguing listening experience at very high SPLs." as described by Fulcrum Acoustic.

Tone Controls to Control Your Room Needs

Photo of the back panel of the Presonus Sceptre S6.

The Presonus Sceptre S6 gives you all the adjustment controls you could need to make them sound their best in your room. Let's take a look:

An input sensitivity control that ranges from +4 dBu to -10 dBV helps with gain matching to your monitoring system/interface output.

The High-Frequency Driver Adjust control adjusts the tweeter’s overall level to linear (0 dB), +1 dB, -1.5 dB, or -4 dB. This lets you control the balance between the tweeter’s output and that of the mid/low driver.

The High Pass switch rolls off the low frequencies below the specified frequency (60, 80, or 100 Hz) at a slope of -24 dB/octave. This control is important if you are using a subwoofer in conjunction with the Sceptre S6; in that case, set it to the same frequency as the crossover to the subwoofer. If you're not using a subwoofer, you simply set the control to Flat.

An Acoustic Space switch controls a second-order shelving filter centered at 100 Hz. With four attenuation settings (no attenuation, -1.5 dB, -3 dB, and -6 dB) you can account for the boundary bass boost that occurs when the monitor is placed near a wall or corner. If you don’t want to roll of those lows, set it to 0 dB.

Presonus Sceptre S6 Technical Specifications

Power:
180W RMS, Class D biamplification with internal heat sink

Max SPL:
102 dB

Input Connections:
Balanced XLR and ¼-inch TRS line-level inputs with A-taper level control

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