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

**Ilkka** · **07-30-07, 01:47 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: ~20 Hz (no port blocks)
Crossover: Bypassed
Orientation: Standard down-firing, ports facing the sky

**Ilkka** · **07-30-07, 01:47 PM**

+/- 3 dB points: 17.8 Hz - 92 Hz

**Ilkka** · **07-30-07, 01:47 PM**

**Ilkka** · **07-30-07, 01:47 PM**

**Ilkka** · **07-30-07, 01:48 PM**

**Ilkka** · **07-30-07, 01:48 PM**

**clausdk** · **08-01-07, 02:53 AM**

Are these results comparable to the PB12+? or are the cylinder siblings completely different in sound charataristics?

**Ilkka** · **08-01-07, 05:59 PM**

Quote:

clausdk wrote:

Are these results comparable to the PB12+? or are the cylinder siblings completely different in sound charataristics?

Yes, they are very much comparable. The PB12-Plus should perform and sound pretty much identical.

**02-27-08, 06:26 AM**

I have the plus and

for my small room it is great

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