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Discussion Starter #1 (Edited)
Paradigm Sub 2


Specifications

Design
Hexagonal cabinet with multiple high-excursion
drivers radially aligned in a Vibration-Canceling
Design Architecture, patented built-in
Ultra-Class-D™ power amplifier with Power
Factor Correction, sealed enclosure,
PBK interface

NOTE: Due to the incredibly high power and
tremendous output the SUB 2’s grilles
are non-removable

Amplifier**: High-Current,

Discrete Output
9,000 watts Dynamic Peak /
4,500 watts RMS



Amplifier Features
Auto-On / Off, Trigger On / Off, soft clipping,
electrical shorting protection, thermal protection

Bass Driver
Six 254-mm (10 in) RCR™ mineral-filled
co-polymer polypropylene cones,
FEA-optimized overmolded thermoplastic
foam-surrounds, 76-mm (3 in) ten-layer
long-excursion voice coils,
high-temperature composite Nomex®
formers, dual advanced spiders, 25.2-lb
(10.5 kg) hard ferrite magnet / motor
structure, massive center heatsink
and oversize pole piece, AVS™
die-cast heatsink chassis

Low-Frequency Extension*
7 Hz (DIN)

Subwoofer Cut-Off Frequency
Variable 35 Hz - 150 Hz; Bypass Option



Sub / Sat Phase Alignment
Variable 0° - 180°



Line-Level Input
RCA (S/E) Left and Right or Sub-Out / LFE or
Balanced XLR. From Sub-Out / LFE-Out of
preamp, processor or other line-level source



Line-Level Input Sensitivity
100 mV mono



Line-Level Input Impedance
RCA: 10k ohms; XLR: 20k ohms



AC Voltage
120v (at 3,000 watts) - 50 / 60 Hz
240v (at 4,500 watts) - 50 / 60 Hz
(see note on Universal Input Power below)

Height, Width, Depth††62.2 cm x 60.4 cm x 57.8 cm
24-1/2 in x 23-3/4 in x 22-6/16 in

Diameter of Hexagonal Cabinet60.4 cm
23-3/4 in

Weight (unpacked)106.0 kg / 230 lb each

Finishes
Cherry, Piano Black, Black Ash


Manufacturers Published Measurements
N/A

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
10 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 88.2 dB
Distortion at 10.1 Hz, -26.4 dB FS based on 8 harmonics:
THD 9.7793 %
THD+N 25.4216 %
2nd harmonic 5.2699%
3rd harmonic 7.2533%
4th harmonic 1.7892%
5th harmonic 2.6473%
6th harmonic 1.5896%
7th harmonic 1.3173%
8th harmonic 0.5273%
9th harmonic 0.7090%

12 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 90.8 dB
Distortion at 12.6 Hz, -23.8 dB FS based on 8 harmonics:
THD 9.6250 %
THD+N 24.1308 %
2nd harmonic 6.0323%
3rd harmonic 6.4647%
4th harmonic 2.2967%
5th harmonic 1.9710%
6th harmonic 1.4001%
7th harmonic 1.3112%
8th harmonic 0.9123%
9th harmonic 0.8867%


16 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 96.9 dB
Distortion at 16.1 Hz, -17.8 dB FS based on 8 harmonics:
THD 11.8651 %
THD+N 30.0082 %
2nd harmonic 3.6300%
3rd harmonic 10.6023%
4th harmonic 3.3318%
5th harmonic 1.4110%
6th harmonic 1.0330%
7th harmonic 0.6611%
8th harmonic 0.5550%
9th harmonic 0.5396%


20 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 99.6 dB
Distortion at 20.1 Hz, -14.9 dB FS based on 8 harmonics:
THD 8.5693 %
THD+N 18.1309 %
2nd harmonic 5.7179%
3rd harmonic 5.9597%
4th harmonic 1.8268%
5th harmonic 0.7743%
6th harmonic 0.6952%
7th harmonic 0.5881%
8th harmonic 0.5100%
9th harmonic 0.4407%

25 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 103.8 dB
Distortion at 24.9 Hz, -10.7 dB FS based on 8 harmonics:
THD 8.9335 %
THD+N 14.9969 %
2nd harmonic 8.5627%
3rd harmonic 2.4922%
4th harmonic 0.4415%
5th harmonic 0.2562%
6th harmonic 0.0991%
7th harmonic 0.0563%
8th harmonic 0.0401%
9th harmonic 0.0442%

31.5 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 105.7 dB
Distortion at 31.6 Hz, -8.8 dB FS based on 8 harmonics:
THD 10.2233 %
THD+N 20.3871 %
2nd harmonic 10.0985%
3rd harmonic 1.5577%
4th harmonic 0.2215%
5th harmonic 0.1523%
6th harmonic 0.1005%
7th harmonic 0.1375%
8th harmonic 0.0681%
9th harmonic 0.0689%

40 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 109.7 dB
Distortion at 39.9 Hz, -4.8 dB FS based on 8 harmonics:
THD 7.8603 %
THD+N 17.7246 %
2nd harmonic 7.7971%
3rd harmonic 0.7755%
4th harmonic 0.3711%
5th harmonic 0.3086%
6th harmonic 0.2367%
7th harmonic 0.2003%
8th harmonic 0.1771%
9th harmonic 0.1629%


50 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 110.6 dB
Distortion at 49.9 Hz, -4.1 dB FS based on 8 harmonics:
THD 8.1011 %
THD+N 26.5220 %
2nd harmonic 1.9607%
3rd harmonic 3.3402%
4th harmonic 2.8839%
5th harmonic 2.9866%
6th harmonic 3.0711%
7th harmonic 2.8752%
8th harmonic 2.8626%
9th harmonic 2.7380%


63 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 110.9 dB
Distortion at 63.1 Hz, -3.8 dB FS based on 8 harmonics:
THD 7.3311 %
THD+N 28.4632 %
2nd harmonic 1.1413%
3rd harmonic 2.9864%
4th harmonic 2.7629%
5th harmonic 2.7031%
6th harmonic 2.6506%
7th harmonic 2.7529%
8th harmonic 2.6927%
9th harmonic 2.5941%


80 Hz
65536-point spectrum using Rectangular window and no averaging
Input RMS 110.9 dB
Distortion at 63.1 Hz, -3.8 dB FS based on 8 harmonics:
THD 7.3311 %
THD+N 28.4632 %
2nd harmonic 1.1413%
3rd harmonic 2.9864%
4th harmonic 2.7629%
5th harmonic 2.7031%
6th harmonic 2.6506%
7th harmonic 2.7529%
8th harmonic 2.6927%
9th harmonic 2.5941%
 

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I hope its OK for me to ask this question. I read in the posting about using two sub's. I have a Paradigm 2200 early model. It is in a 4860 cubic ft. room with a open steps to up stairs. I also have KEF Q900 front, Q300 rear, Q600c center. I also use a Onkyo TX NR 708 and have set up with Audyssey calibration. So my question is why do some say to use 2 sub and not just turn up the subs volume a little if the bass is not enough?
 

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I have a Sub 2 and it is amazing for movies, I have never experienced anything else that comes close. I also have a JL113, two Sunfire true sub sig12, a Sunfire subrossa, and a few smaller subs. The subrossa is the best music sub I have heard in my main listening room 7.5m x 6m.
I don't see a lot on here about Sunfire they make truly amazing kit.
 
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