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SVSound PB13 Ultra


Manufacturers Published Specifications

Specifications
**Frequency response graph does not denote maximum output capability.
  • 2-meter ground plane away from reflective structures (quasi-anechoic)
  • 0 Hz Mode: 19-150 Hz +/- 3 dB
  • 16 Hz Mode: 16-150 Hz +/- 3 dB
  • Sealed Mode: 26-150 Hz +/- 3 dB
Enclosure Specs:
  • Dimensions: 22.5" (H) x 20.5" (W) x 27" (D)Weight: 155 pounds
  • Rigid and braced Medium Density Fiberboard (MDF) cabinet
  • Black gloss or full veneer black oak finish
  • Front-firing driver
  • Front-firing triple 3.5" high-flow flared ports
  • Dense foam port blockers (3) included
  • Variable 20 Hz, 16 Hz and Sealed tuning modes
  • Protective non-resonant steel mesh grille
Driver Specs:
  • SVS 13.5” extreme performance underhung Ultra driver
  • SVS custom-tooled die-cast aluminum basket
  • Flat-wire, 3” diameter, high-power, high-temp, 8-layer, aluminum voice coil
  • Polyimide impregnated fiberglass former/bobbin
  • Dual 9", composite layered, linear roll, extreme excursion spiders
  • Integrated tinsel leads
  • Nickel-plated high-tension spring terminals
  • Proprietary injection molded gasket and parabolic SBR extreme-excursion surround
  • Composite pulp/fiberglass press layered cone with stitched surround
  • Low carbon 1008 steel components, electrophoresis black plating
  • Finite Element Analysis (FEA)-optimized underhung motor structure for the lowest possible distortion
  • Copper shorting sleeve reduces gap induction and distortion, and enhances thermal conductivity
  • Dual Genox 8H/Y-35 high grade ferrite magnets
  • Oversized pole vent for greater cooling and low noise
Amp Specs:
  • STA-1000D Sledge with 1000 watts RMS continuous power (3600 watts peak dynamic power)
  • High efficiency cool-running Class D switching topology
  • Detachable power cord with main power switch and ceramic fuse
  • RoHS compliant, lead-free construction and world-wide safety certifications
  • Auto-On / On switch with "green" standby mode
  • Stereo line-level RCA and balanced (XLR) input/output connections
  • Normal and Hi input voltage switch
  • Customized EQ and DSP limiter settings specifically for the PB13-Ultra
  • Variable tuning with 20Hz, 16Hz, and Sealed settings to match subwoofer port settings
  • Fully adjustable (frequency and slope) phase-correct speaker/sub digital crossover
  • Intelligent Feature Control (IFC) with bright LCD display
  • Two (2) digital PEQs with adjustable frequency, cut/boost, and Q values
  • Room gain compensation control with adjustable frequency and slope
  • Adjustable digital delay on main speaker line-level outputs to time-align the speakers and subs
Manufacturer Published Measurements



HTS Results

Measurements were taken with all ports open

Frequency Response



Max Output Before Compression



Spectral Decay



Group Delay



Waterfall



Spectrogram



Harmonic Distortion



Click the Methods button for the REW notes from each individual frequency

Measurement Methods
20 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 102.9 dB
Distortion at 20.1 Hz, -10.3 dB FS based on 8 harmonics:
THD 8.7877 %
THD+N 26.1127 %
2nd harmonic 5.9398%
3rd harmonic 6.3846%
4th harmonic 0.5351%
5th harmonic 0.8231%
6th harmonic 0.3300%
7th harmonic 0.1255%
8th harmonic 0.2567%
9th harmonic 0.1637%

25 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 106.9 dB
Distortion at 24.9 Hz, -6.1 dB FS based on 8 harmonics:
THD 5.8206 %
THD+N 12.5815 %
2nd harmonic 2.9999%
3rd harmonic 4.9183%
4th harmonic 0.5035%
5th harmonic 0.3977%
6th harmonic 0.3178%
7th harmonic 0.3313%
8th harmonic 0.1859%
9th harmonic 0.1848%


31.5 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 107.7 dB
Distortion at 31.6 Hz, -5.3 dB FS based on 8 harmonics:
THD 9.6039 %
THD+N 16.4713 %
2nd harmonic 4.3458%
3rd harmonic 8.4713%
4th harmonic 0.7869%
5th harmonic 0.3162%
6th harmonic 0.5997%
7th harmonic 0.1055%
8th harmonic 0.3554%
9th harmonic 0.6076%


40 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 108.5 dB
Distortion at 39.9 Hz, -4.6 dB FS based on 8 harmonics:
THD 6.6373 %
THD+N 17.1034 %
2nd harmonic 2.6592%
3rd harmonic 5.7760%
4th harmonic 0.8711%
5th harmonic 1.2578%
6th harmonic 0.4008%
7th harmonic 0.7924%
8th harmonic 0.4361%
9th harmonic 0.5478%


50 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 108.4 dB
Distortion at 49.9 Hz, -4.6 dB FS based on 8 harmonics:
THD 5.6719 %
THD+N 8.4749 %
2nd harmonic 1.7274%
3rd harmonic 5.2252%
4th harmonic 0.9642%
5th harmonic 0.6724%
6th harmonic 0.4369%
7th harmonic 0.4864%
8th harmonic 0.1939%
9th harmonic 0.1932%


63 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 107.0 dB
Distortion at 63.1 Hz, -6.0 dB FS based on 8 harmonics:
THD 6.6725 %
THD+N 12.7264 %
2nd harmonic 1.2216%
3rd harmonic 6.5180%
4th harmonic 0.1136%
5th harmonic 0.7098%
6th harmonic 0.0556%
7th harmonic 0.1498%
8th harmonic 0.0308%
9th harmonic 0.0539%


80 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 109.2 dB
Distortion at 80.1 Hz, -4.4 dB FS based on 8 harmonics:
THD 18.9253 %
THD+N 38.6500 %
2nd harmonic 4.4589%
3rd harmonic 8.7877%
4th harmonic 4.3325%
5th harmonic 9.2986%
6th harmonic 3.8614%
7th harmonic 8.6726%
8th harmonic 3.1749%
9th harmonic 7.4580%
 

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Strange - normally the pb13 with all ports open (20 hz mode) has a ruler flat FR. Something went wrong here ? Maybe the setting in the amp was for sealed mode ! FR at data-bass.com is way different.

But still - think it's great that someone like you makes the effort of this.

/Thomas
 
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