Summer Never Sounded Better - page 18

18
Speaker Building
Absolute perfection in customer service. (I’m not sure
I’ve said that in a review before.)
RAVE
REVIEWS!
Mike W, Hopkinton MA
UM10-22 Ultimax DVC 10" Subwoofer
Specifications: 
• Power handling: 500 watts RMS • Impedance: 4 ohms
(2 ohms/coil) • Frequency range: 25-1,500 Hz • F
s
: 26.2 Hz • SPL: 86.4
dB 2.83V/1m • V
as
1.24 cu. ft. • Q
ts
: 0.46 • X
max
: 19 mm • Dimensions:
A: 10.77", B: 9.32", C: 5.71".
60
62
UM12-22 Ultimax DVC 12" Subwoofer
Specifications: 
• Power handling: 600 watts RMS • Impedance: 4 ohms
(2 ohms/coil) • Frequency range: 20-1,000 Hz • F
s
: 24.9 Hz • SPL: 87.7
dB 2.83V/1m • V
as
: 2.53 cu. ft. • Q
ts
: 0.59 • X
max
: 19 mm • Dimensions:
A: 12.38", B: 10.73", C: 6.22".
12" Ultimax Subwoofer with 2.0 ft.³ knock-down cabinet
90
91
85
Save 50% off the knock-
down cabinet when
you buy it with an
Ultimax subwoofer
Dayton Audio Ultimax™
Series DVC Subwoofers
• Class AB
output stage for
powerful,
clean output
• Low frequency
parametric EQ
allows you to boost or adjust the sound
Common Specifications:
 • Parametric
EQ: Frequency: 18 to 80 Hz, Level:
-14.5 to +6 dB, Bandwidth: 0.1-1
• Low pass crossover: 30 to 200 Hz,
Phase: 0° (normal) or 180° (reverse)
• Dimensions: 11-15/16" W x 11-15/16"
H x 5-1/4" D, Enclosure cutout:
10" x 10" • Power requirements:
Switchable 110V/220V, 50/60 Hz
500 Watt Specifications:
• Measured
power output: 273 watts RMS into 8
ohms @ 0.06% THD, 540 watts
RMS into 4 ohms @ 0.15% THD • Signal to noise ratio: 98 dB
(A-weighted) • Net weight: 15.2 lbs.
Dayton Audio SPA500 and SPA1000
Subwoofer Amplifiers
50
55
1000 Watt Specifications:
• Measured power output: 512 watts RMS into
8 ohms @ 0.09% THD, 1,024 watts RMS into 4 ohms @ 0.15% THD
• Signal to noise ratio: 98 dB (A-weighted) • Net weight: 17 lbs.
80
80
Acousta Stuf
TM
Acousta Stuf
sound absorption
damping fiber deepens bass, provides
cleaner midrange, and improves the
dynamic extension of any speaker system.
Most sealed and vented enclosures
require 1/2 lb. of damping material per
cubic foot of enclosure.
$11
50
$
9
20
$46
89
$
38
50
ON SALE
#300-807
Knock-Down MDF Subwoofer Cabinets
• Made of Carb 2 compliant, 3/4" MDF
• Double-thick 1.5" blank front baffle
for easy flush mounting
• Roundovers on the front baffle
for a neat and clean finish
• CNC-machined dadoes and a unique bracing
system that increases cabinet rigidity
• Quick and easy assembly, just add glue
Outside Dimensions
Cabinet Volume
Weight
List
Price
Part #
(H x W x D)
(in cubic feet)
(lbs.)
Price
Each
20
1.0
29
2.0
41
3.0
52
4.0
63
#300-7084
#300-7085
#300-7086
#300-7087
#300-7088
Build a custom subwoofer in no time with minimal tools
Precision Port™ Flared Port Tube Kits
The flared-end construction of the Precision Port
system reduces air turbulence to maintain clean
bass output. Available in 2", 3", 4", and 6" diameters;
the 2" kit will make up to an 11" port, the 3", 4", and 6" kits
can make a port up to 17" long. Installation instructions
included.
List
Price
Price
Part #
Description
Price
(1-3)
(4-UP)
Keep port noise to a minimum
UM15-22 Ultimax DVC 15" Subwoofer
Specifications:
• Power handling: 800 watts RMS • Impedance: 4 ohms (2 ohms/coil)
• Frequency range: 15-1,000 Hz • F
s
: 19.5 Hz • SPL: 90.7 dB 2.83V/1m
• V
as
: 7.92 cu. ft. • Q
ts
: 0.47 • X
max
: 19 mm • Dimensions: A: 15.28",
B: 13.78", C: 7.55".
80
81
15" Ultimax Subwoofer with 3.0 ft.³ knock-down cabinet
30
All parameters derived with voice coils wired in series
10" Ultimax Subwoofer with 1.25 ft.³ knock-down cabinet
68
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