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RCF ND840 1.4" Compression driver

RCF ND840 1.4″ Compression driver

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1.4″ Compression Driver

SKU: RCF25110658 Category:
Description

Description

The ND840 is a high performance 3-inch diaphragm compression driver with a 1.4 inch exit throat featuring the smallest size of the art technology. The diaphragm are precision completely formed from pure titanium. Voice coil assembly is designed using high temperature kapton former and it is joined to the diaphragm by RCF proprietary Direct Drive kapton technology. Diaphragm suspension is designed by extensive FEM study for low distortion and low frequency range extension.

Features

  •  3-inch Diaphrag, 1.4-inch Exit Throat/ Pure Titanium Compression Driver
  • 220 watt Continuous program power handling
  • Frequency range: 500Hz – 20kHz
  • 3-slot, optimized geometry phase plus
  • Direct Drive kapton technology
  • Copper inductance ring for extended response
  • Vented, damped, low distortion suspension System
  • Neodymium magnet assembly
  • Compact Size

Specs

General specifications

 

OUTLET GROOVE DIAMETER:
1.4 inch / 36 mm

 

RELATIVE IMPEDANCE:
8 ohm

 

PROGRAM VOLTAGE:
220 W

 

VOLTAGE HANDLING ABILITY:
110 W

 

SENSITIVITY:
109 dB

 

FREQUENCY RANGE:
500 – 20,000 Hz

 

DIAPHRAGM MATERIAL:
Pure Titanium

 

SUSPENSION MATERIALS:
Pure Titanium

 

SUSPENSION DESIGN:
Double Roll

 

MINIMUM IMPEDANCE:
7.00 ohm

 

VOICE COIL DIAMETER:
3.0 inch / 76 mm

 

VOICE COIL MATERIALS:
Edgewound Aluminum

 

OLD VOICE COIL DESIGN:
Direct Drive Kapton

 

NUMBER OF COATS:
1

 

TYPE OF DIAPERS:
inside / outside

 

FLUX DENSITY:
2.0 T

 

DESIGN OF THE PHASE PLUG:
3 slot

 

PHASE PLUG MATERIALS:
Aluminum

 

MAGNETIC:
Neodymium

 

VOICE COIL DEMODULATION RING:
Copper
 
TS parameters

 

BL FACTOR (BL):
12.30 T xm
 
Assembly information

 

TOTAL DIAMETER:
115 mm / 4.53 inches

 

TOTAL HEIGHT :
46 mm / 1.81 inches

 

FIXATION :
4 x 6 mm threaded holes at 90 °
 
Standard compliance

 

CE MARKING :
Yes
 
Cut

 

WEIGHT:
1.4 kg / 3.09 lbs
 
Packing Info

 

PACK DEPTH:
155 mm / 6.1 inches

 

PACK HEIGHT:
85 mm / 3.35 inches

 

PACK WEIGHT:
1.7 kg / 3.75 lbs

 

PACK WIDTH:
160 mm / 6.3 inches
Additional information
Weight 2 g
Dimensions 16 × 16 × 9 mm
Hybrid Condensers
Brand

RCF
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Shipping/Refund Policies

Shipping Policy

Son Sound delivers countrywide (South Africa - not outside the borders of South Africa), at the shipping rates charged in the shopping cart/checkout - depending on the item(s) and order. Please provide your delivery address on checkout. All deliveries will be booked on economy road freight, which means 2-5 business days delivery from date of order - depending on your location.

FOUND A PRODUCT CHEAPER ELSEWHERE?
We are committed to our customers in providing great value, quality, advice and service. We will always endeavor to offer our customers the best price and offer to match any written quote cheaper than our price for the exact same product, not older than 7 days given by a local company (or as advertised on their website), provided that we have such product in stock at that time.

Refund Policy

Due to the vast number of products on our store, it is not possible to keep al prices and availability up to date. Therefore, customers are prompted to first confirm prices and availability before placing an order and making an online payment.

SON SOUND will either give a store credit, exchange or refund on any online purchase within 7 days under the following terms and conditions:

  • If a product\'s price has changed or not available and an order was placed and paid online without the customer confirming the latest price and availability, SON SOUND will refund the customer the full paid amount MINUS 3.5% up to 5% (depending on the payment method the customer used) - which is the service fee charged by our payment gateway provider.
  • If the product was delivered and the customer is not happy with the product, the product must be returned at the customer\'s expense, upon which SON SOUND will accept the return provided that the product packaging has not been severely damaged and the product has not been used, installed or show physical damages. Products must be returned in its original packaging. Three and a half percent (3.5%) of the purchase price will be deducted if payment was made online as payment gateway service fee.
  • Software products cannot be exchanged or refunded.
  • Products will not be refunded or exchanged due to incompatibility. Please check compatibility information before placing an order.
  • Credits, exchanges or refunds can only be granted after the product has been returned and inspected (and tested) by trained technical staff to determine if the condition of the returned product grants a credit, refund or exchange. Items cannot be credited, exchanged or refunded before this procedure has been completed. Depending on the product and our supplier, it may take any time from 5-20 working days to process.
  • A delivery fee will be charged again whenever the product is replaced with the same or another.
  • If an out-of-box defect can be determined or any defects covered under the manufacturer\'s warrantee, such warrantee will be honored.

SON SOUND adheres to the Consumer Protection Act of South Africa and will base any return on the statutes of the Act.

Cancellation / Return / Exchange Policy

Orders for any product cannot be cancelled once it is processed.
See our Refund Policy for our Return and Exchange policy.

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