SVS 20-39PC+ 16 Hz tune (Plus 12.3)

**Ilkka** · **07-30-07, 01:45 PM**

Manufacturer: SV Sound
Model: 20-39PC+
Provided by: geecb
Manufacturer link: SV Sound, L-Sound
Price: $899

Manufacturer specs:
• SVS designed/built custom Plus 12.3 woofer
• Computer Assisted Design (CAD) enclosure
• Flush mounted, 525 watt BASH amp
• Exclusive down-firing cylinder design
• Compliant floor mounts, low center of gravity
• "Tri-Power" 3" high-flow ports with port blocks
• User variable tuning: 20 Hz (stock) 16 and 12 Hz
• Resonance free, protective top grill
• CNC'd, black laminated, 1.5" birch end-caps
• Architectural-grade black fabric exterior
• Response: +/- 3dB 20-100 Hz (20 Hz config)
• Size: 40" tall, 16" diameter
• Weight : 55 lbs

Configuration as tested:
Phase: 0 degrees
Tuning frequency: ~17 Hz (one port block)
Crossover: Bypassed
Orientation: Standard down-firing, ports facing the sky

**Ilkka** · **07-30-07, 01:45 PM**

+/- 3 dB points: 13.5 Hz - 110 Hz

**Ilkka** · **07-30-07, 01:46 PM**

**Ilkka** · **07-30-07, 01:46 PM**

**Ilkka** · **07-30-07, 01:46 PM**

**Ilkka** · **07-30-07, 01:46 PM**

**Blaser** · **07-31-07, 01:39 PM**

I like the behaviour of this sub in this Tune...Great job SVS

**russ.will** · **08-02-07, 11:25 AM**

In the average European room, the tiny trade in peak SPL is easily offset by the benefits of increased extension. The 16Hz tune is worryingly good in my 1700cu ft room.

Russell

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