SP8053 SP8053H SP8053T ■ 1 8” Twin-Cone Speaker Assemblies FEA TURES FEATURES • Twin-Cone Design for Good High-Frequency Dispersion • Choose 8-ohm, 45-ohm or Constant-Voltage • “T” Version has Dual 70.7/ 25-volt Transformer ■ DESCRIPTION The Penton Audio SP8053 Series are 8” 10-watt, twin-cone, full-range speaker assemblies. Each is designed for long-term reliability, smooth frequency response and wide dispersion. Each model in this series is made using high quality components including steel baskets treated with rust-preventative coating, copper voice coils, high performance transformers and twin cones. Speaker baskets mount on a standard bolt circle of 7.625” (195 mm) and mate with nearly all popular mounting accessories including Penton G8M (CRS) or G8P (ABS) grilles and BBX8B enclosure with BRG8B tile bridge. Standard mounting fasteners are also available. The SP8053 is an 8-ohm model available as a stand alone or ready to accept customer supplied transformer. The SP8053T assembly uses the same 8-ohm, twin-cone driver, but adds a premounted 5-watt 70.7/25-volt transformer. Connection is made directly via wire nuts (see specifications). Identical in basic design, the SP8053H utilizes a 45-ohm voice coil. Models are applicable for situations including voice announce, background music, signal reproduction and applications requiring clear audio reproduction. ATIONS ■ SPECIFIC SPECIFICA • CONE SPEAKER SIZE: 8” (205 mm) • FREQUENCY RESPONSE (S EE F IG 1): 60-20,000 Hz ± 6 dB • POWER HANDLING (Raw Driver): 10 watts • DRIVER IMPEDANCE SP-8053: 8 ohms SP-8053H: 45 ohms SP-8053T: 8 ohms - secondary* • SPL @ 1 W 1 M: 95 dB • DISPERSION @ 2 KHZ (6 dB D OWN ): 100 ° • DIRECTIVITY Q FACTOR @ 2 KHZ : 6.80 • CONE DESIGN: Twin Cone • CONE MATERIAL: Paper, Self-edged Surround • VOICE COIL DIAMETER, INCH (MM): 0.75 (20) • 70.7-VOLT TRANSFORMER TAPS: Yellow: 4 watts Green: 2 watts Blue: 1 watt Violet: 0.5 watt White: 0.25 watt Black: Common • 70.7-VOLT TRANSFORMER IMPEDANCE: 1.25K, 2.5K, 5K, 10K, 20K • 25-VOLT TRANSFORMER TAPS Brown: 4 watts Red: 2 watts Orange: 1 watt Yellow: 0.5 watt Green: 0.25 watt Black: Common • 25-VOLT TRANSFORMER IMPEDANCE: 156, 312, 625, 1.25K, 2.5K • CONNECTION: Via Wire Nuts • SUPPLIED MOUNTING ACCESSORIES: Not Included but Available • MAGNET WEIGHT (CERAMIC): 5.34 oz • SUGGESTED MOUNTING ACCESSORIES: G8M - CRS Grille G8P - Molded ABS Grille BBX8B - Steel Backbox BRG8B - Tile Bridge MBK8 - Mounting Bracket • FLUX DENSITY: 11,500 Gauss • DIMENSIONS, INCH (MM): 8.125 x 2.68 (205 x 68) • APPROVALS: CE • NET WEIGHT LBS (KGS): SP8053: 1.15 (0.52) SP8053H: 1.15 (0.52) SP8053T: 1.50 (0.68) • VOICE COIL MATERIAL: Copper • TRANSFORMER MAX INSERTION LOSS: 1.5 dB Penton Audio USA - Tele: 888/883-8383 Webstie: www.penton-usa.com Fax 888/821-2121 SP8053 SP8053H SP8053T ■ B K A : Frequency Response , MAGN dB Re 20.00 Pa 110 100 AR CHITECT S ’ AND ENGINEERS ARCHITECT CHITECTS ENGINEERS’’ SPECIFICA SPECIFIC ATIONS: 90 Unit shall be Penton Audio USA Model (SP8053/SP8053H/SP8053T) or approved equal. Speaker shall consist of a twin paper cone, steel basket with rust preventative coating, a 5.34 ounce ceramic magnet, and a copper coil. Frequency response range shall be 6020,000 Hz. 80 70 60 20 50 100 200 500 2k 5k 10k 20k Fig 1: Freqency Response 0o 0o 30o -30o (SP8053 shall have an 8-ohm voice coil.) o -60 -90 60 o o -60 90o o -120o -150 o -36 -30 -24 -18 -12 -6 o 120 -90 60 90o -120o 150o -150 o 0o 60 o o -60 90o o -36 -30 -24 -18 -12 -6 30o -30o o o 150o 0o 30o -60 -150 o 120 2000 Hz -30o -120o -36 -30 -24 -18 -12 -6 180 o 1000 Hz -90 o o 180 o Loudspeaker shall have wide-angle sound distribution with a minimum of 100° dispersion. Paper cone shall be a damped, high-compliance type with smooth extended response over a range of 60-20,000 Hz. Sensitivity shall be a minimum of 95 dB @ 1 watt, 1 meter. 30o -30o (SP8053H shall have a 45-ohm voice coil.) (SP8053T shall have a factorymounted, 70.7/25-volt transformer. Connection of 4, 2, 1, 0.5 and 0.25 shall be via color-coded wires and wire nuts. Insertion loss shall not exceed 1.5 dB.) 1k FREQUENCY (HZ) o 120 -90 60 o 90o o -120o 150o -150 o 180 o -36 -30 -24 -18 -12 -6 o 120 150o 180 o 4000 Hz 8000 Hz Fig 2: Polar Patterns Watt 25V 70.7V PIN8 ----- 0.25 PIN7 ----- 0.5 PIN6 ----- 1 PIN5 0.25 2 PIN4 0.5 4 PIN3 1 ----- PIN2 2 ----- PIN1 4 ----- Black COMMON Fig 3: Circuit Diagram - a s u b s i d er ar y o f P en t o n M ed i a T ech n o l o g i e 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 SS02-1171