Usher 9980-20BeA Tweeters Pair

Here we have a pair of Usher 9980-20BeA Tweeters that come in good condition and are supplied in original box.

Specification
Nominal Impedance: 4 Ω ± 15% at 1.0 V 1 kHz
VC Nominal Diameter: Ψ 28 mm
Lowest Resonance Frequency: 620 Hz ± 20% at 1.0 V
Effective Frequency Range: FO ~ 40 kHz
Output Sound Pressure Level: 90 dB/W/M ± 2 dB 3,4,5,6 kHz AVE
Input: Rated Input 10 W , Maximum Input 20 W
Flux Density: 11.1 K ± 10% Gauss
Buzz & Rattle Test: 1.0 V
Polarity: Positive - Red Label Terminal
Baffle Opening: Ψ 33 mm
Magnet Dimension / Weight: 72 x 32 x 20 (mm) / 320g
Weight: 710 g
Dropping Test: 1150 mm 75° ± 2°

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.