Transcript
RCS8XT ■
8” Coaxial Torsion-Mount Speaker Package
1
FEA TURES ATURES
• Time-tested
Metal Grille with Hardware-free Appearance • Torsion-mount Assembly for Fast/Easy Installation • Coaxial Tweeter for Smooth High-Frequency Dispersion • Dual 70/7/25-volt Xfrmr with Spade-lug Taps • Terminal Block Connection ■ DESCRIPTION The premium Penton Audio RCS8XT speaker package uses a coaxial, 8” cone loudspeaker with 10-ounce magnet and 1” Mylar dome tweeter complete with a 1/2” moving coil and neodymium magnet. This model is fully assembled including transformer and grille. Finished in a non-reflecting ceiling white. Its elegant two-part, round, torsionmount CRS baffle presents an elegant hardware-free appearance and is exceptionally installer friendly. Its exclusive terminal block and spadelug taps allow fast connection as well as wattage selection and/or changes. The RCS8XT is complete with a versatile 8watt, 70.7/25-volt transformer. Unit is designed to be quickly mounted in a BBX8 enclosure with BRG8 tile bridge without any hardware. MBK8 mounting bracket provides ”blind mounting” without a backbox in a drywall or plaster ceiling.
■
A P P L I C AT I O N S
The 8” RCS8XT speaker package is an excellent choice for no compromise inceiling audio projects where aesthetics and great sound are a key consideration. Unit’s unusually smooth frequency response, good low frequencies and postmounted tweeter will enhance the perceived environment in most higherceiling commercial applications. Typical applications include universities, hotel/motels, offices, banks, schools, restaurants, malls and wherever precise, wide-range transmission of audio is a necessity.
■
S P E C I F I C AT I O N S
• CONE SPEAKER SIZE:
8” (203 mm) • TWEETER TYPE:
1” Mylar Dome with 1/2” Moving Coil and Neodymium Magnet • FREQUENCY RESPONSE (S EE F IG 1):
40-18,000 Hz ± 6 dB
• POWER HANDLING (R AW D RIVER ):
20 watts • SPL @ 1 W 1 M :
94 dB • DISPERSION @ 2 KH Z (6 dB D OWN ): 96 ° • DIRECTIVITY Q FACTOR @ 2 K H Z:
6.8 • CONE DESIGN:
Coaxial • CONE MATERIAL:
Paper with Rubber Surround • MAGNET WEIGHT:
10 oz • TRANSFORMER MAX INSERTION LOSS:
0.8 dB • TRANSFORMER TAP CHANGE:
• 70.7-VOLT TRANSFORMER TAPS:
8, 4, 2, 1, 0.5 • 70.7-VOLT TRANSFORMER IMPEDANCE:
625, 1.25K, 2.5K, 5K, 10K • 25-VOLT TRANSFORMER TAPS:
8, 4, 2, 1, 0.5 • 25-VOLT TRANSFORMER IMPEDANCE:
78, 158, 312, 625, 1.25K • APPROVALS:
CE • MOUNTING:
Quick-Release Torsion Springs locked onto baffle • BAFFLE MATERIAL:
Two-part CRS Steel with Steel Mesh • FINISH:
White, Non-reflective, Baked Epoxy • SUGGESTED MOUNTING ACCESSORIES:
BBX8 BRG8 MBK8
Steel Backbox Tile Bridge Mounting Bracket
• DIMENSIONS, INCH (MM):
11.24 x 2.91 (280 x 74) • NET WEIGHT LBS (KGS):
3.57 (1.62)
Movable Spade Lug • CONNECTION
Via Terminal Block
Penton Audio USA - Tele: 888/883-8383 Webstie: www.penton-usa.com Fax 888/821-2121
RCS8XT ■
B
ARCHITECTS’ AND ENGINEERS S P E C I F I C AT I O N S :
Unit shall be Penton Audio USA Model RCS8XT or approved equal. Assembly shall be comprised of a coaxial 8” loudspeaker with 10-ounce magnet, 1” Mylar dome tweeter complete with a 1/2” moving coil and neodymium magnet. It shall have a premounted transformer and two-part, non-reflective white baffle with no visible hardware.
100 90 80 70 60 20
50
100
200
500
1k
2k
5k
10k
20k
FREQUENCY (HZ)
Fig 1: Freqency Response (Measured in Infinite Baffle) 0o
Two-part baffle shall be CRS with inner steel mesh grille. Baffle shall be round with torsion-spring mounting.
0o 30o
-30o
Loudspeaker shall have wide-angle 96° dispersion at 2000 Hz. Cone shall be a damped, high-compliance type with a smooth extended response over a range of 40-18,000 Hz. Sensitivity shall be a minimum of 94 dB @ 1 watt, 1 meter.
K
A : Frequency Response , MAGN dB Re 20.00 Pa
110
o
-60
-90
60
o
o
-60
90o
o
-120o
-150
o
-36 -30 -24 -18 -12 -6
-90
o
120
60
90o
-120o
-150
o
o
o
o
-60
90o
o
-150 11" (280)
o
-36 -30 -24 -18 -12 -6 180 o
30o
-30o
60
-120o
150o
0o 30o
-60
-90
o
120
2000 Hz
0o -30o
-36 -30 -24 -18 -12 -6 180 o
1000 Hz
Included shall be a high-quality, factorymounted, 70.7/25-volt transformer with power taps of 8, 4, 2, 1 and 0.5 watts clearly marked on the assembly. Insertion loss shall not exceed 0.8 dB.
o
o
150o
180 o
30o
-30o
-90
o
120
60
o
90o
o
-120o
150o
-150
o
4000 Hz
-36 -30 -24 -18 -12 -6
o
120
150o
180 o
8000 Hz Fig 2: Polar Patterns
Fig 3: Front View MBK-08 Mounting Bracket
BRG8 Tile Bridge
4.33" (110) 2.48" (63)
Watt
25V
70.7V
PIN8
-----
0.5
PIN7
-----
1
PIN6
-----
2
PIN5
0.5
4
PIN4
1
8
PIN3
2
-----
PIN2
4
-----
PIN1
8
-----
Black
COMMON
9.29"" (289)Cutout
Fig 4: Side View
Fig 5: Circuit Diagram - a sub siderar y of Penton Med ia Tech nologie s
Phon e: ( 888 ) 883-8383
© 2002 Penton Audio USA
Fax: ( 888 ) 821-2121
406 Lincoln St., Marlborough, MA 01752
Website: www.penton-usa.com
Specifications subject to change without notice
SS02-1091