Usher 8948A 7" Driver

Here we have an Usher 8948A Woofer (7 Inch Driver)
Good condition and boxed.

Usher Specifications:<br>
Nominal Impedance: 8 Ω ± 15 % at 1.0 V 1 kHz<br>
VC Nominal Dia: Ψ 42 mm<br>
Lowest Resonance Frequency: FO = 31 Hz ± 5 Hz at 1.0 V<br>
Effective Frequency Range: FO ~ 7.5 kHz – 10 dB 1 M/1 W<br>
Output Sound Pressure Level: 88 dB/W/M ± 3 dB 300, 400, 500, 600 Hz AVE<br>
Input: Rated Input 70 W, Maximum Input 100 W<br>
Flux Density: 11 K ± 10% Gauss<br>
Buzz & Rattle Test: 8.0 V<br>
Polarity: Positive – (Left) Hand Terminal<br>
Baffle Opening: Ψ 138 mm<br>
Magnet Dimension / Weight: 120 x 60 x 25 (mm) / 1055 g<br>
Weight: 2600 g<br>
Dropping Test: 1150 mm 75° ± 2°<br>
ZNOM: 8 Ω<br>
REVC: 5.6 Ω<br>
KRM: 12.954 mΩ<br>
KXM: 14.698 MH<br>
ERM: 0.557<br>
EXM: 0.571<br>
SD: 0.015 sqm<br>
BL: 8.1673 tm<br>
VAS: 43.6622 Litre<br>
CMS: 1366.549 um/n<br>
MMS: 19.3562 g<br>
MMD: 18.2999 g<br>
FI: 30.134 Hz<br>
FO: 30.945 Hz<br>
QMS: 1.947<br>
QES: 0.316<br>
QTS: 0.272<br>
PMX: 70 W rms<br>
HVC: 18 mm<br>
HAG: 6 mm<br>
XMX: 6 mm<br>
CMX: 6 mm<br>
CMO: 1<br>
ΘVC: 3.5714 C/W<br>

Turnaround

Orders will usually dispatched within 2 working days of receiving cleared payment.

Shipping Rates

We calculate your shipping rate based on the total weight of your items and your delivery address. Standard shipping to the UK Mainland (excludes Northern Ireland, Isle of Man, Channel Islands) is free, except where specifically indicated. Don't worry, you'll always see the final shipping charge displayed before you reach the payment step (on the checkout page).

Carriers

We despatch the bulk of our UK mainland items on a 24 hour service.  Non-Mainland locations – Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer. Smaller items are delivered using Royal Mail 24 or special delivery. Larger items are delivered using a courier service such as UPS and occasionally by a Pallet service.

Order Tracking

If a tracking # is provided by the carrier, we will update your order with the tracking information. Please note that some orders will not have tracking numbers.