The PRV Audio FR Series sets a new standard of value in high-performance Full Range drivers. The 8FR250 full-range driver is an excellent choice when space is at an absolute minimum, eliminating the need for a tweeter.
This loudspeaker has a dual cone design, the primary cone handles low to midrange frequencies while the smaller secondary cone increases high-frequency response from 50 Hz to 18,000 Hz. The combination of a low-distortion motor system with a copper ring and a unique woven-cloth dust cap provides exceptional clarity, detail, and dynamics at an impressive 93.5 dB of sensitivity.
Highlights
Nominal Impedance: 8 Ohms
Rated AES Power Handling (RMS): 125 Watts
Program Power: 250 Watts
Sensitivity (1W/1m): 93.5 dB
Voice Coil Diameter: 1.5″
GENERAL SPECIFICATIONS
Nominal Diameter
8″ (203 mm)
Nominal impedance
8 Ohms
Rated AES Power Handling (RMS)
125 Watts
Program Power
250 Watts
Sensitivity 2.83V at 1m
93.5 dB
Recommended Hi Pass Crossover** **For Full Power Handling
75 Hz** **12db Per Octave Crossover
Frequency Response at -10dB
50 – 18,000 Hz
Voice Coil Diameter
1.5″ (38 mm)
Voice Coil Wire
CCAW
Voice Coil Winding Depth
10.0 mm
Former Material
Kapton
Magnetic Gap Depth
6.0 mm
Frame Material
Stamped Steel
THIELE-SMALL PARAMETERS
Equivalent Volume
Vas
21.2 l
Excursion (mathematical)***
Xmax
3.50 mm
Free Air Resonance
Fs
75.6 Hz
Mechanical Factor
Qms
14.07
Electrical Factor
Qes
1.10
Total Factor
Qts
1.02
Cone Area
Sd
227 cm²
Mechanical Mass
Mms
15.0 g
Bl Factor
Bl
6.53 Tm
Dc Resistance
Re
6.6 Ohms
Inductance
Le
0.275 mH at 1 kHz
Mechanical Mass Without Air
Mmd
13.1 g
Mechanical Compliance
Cms
0.294 mm/N
***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Mgnetic Gap Depth/4
EXTRA INFO
Overall Diameter
8.23″ (209 mm)
Front Mount Baffle Cutout
7.12″ (181 mm)
Mounting Depth
3.33″ (84.5 mm)
Overall Depth
3.60″ (91.5 mm)
Net Weight
5.53 Lbs (1.6 kg) unit
Shipping Weight
3.97 Lbs (1.8 kg)
Carton Dimensions W x L x H
8.66″ x 8.66″ x 4.53″ (220 x 220 x 105 mm)
Shipping
Shipping charges for Ratchet's Den are as follows::
$0.00–$25.00 = $4.95 USD
$25.00–$75.00 = $9.95 USD
$75.00–$100.00 = $14.99 USD
$101.00 and up = $19.99 USD
Returning Goods
You are responsible for the cost and risk of returning item to us. You should send items to the following address:
13978 SW 139th Ct Miami Florida, 33186 USA
We cannot be held responsible for Goods damaged or lost in return shipment. Therefore, We recommend an insured and trackable mail service. We are unable to issue a refund without actual receipt of the Goods or proof of received return delivery.
Contact Us
If you have any questions about shipping and/or returns, please contact us:
By email: info@ratchetsden.com
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