MICROPHONE ELECTROMAGNETIC DIFFERENTIAL NOISE-RESISTANT DEMSH-1A RUSSIA LOT=1

Description

PLEASE, READ CAREFULLY EVERYTHING. IT IS IMPORTANT.
About Item:
DEMSH-1A (
ДЭМШ-1А
) - Electromagnetic differential small-sized microphone is noise-resistant.
New, have never been used.
An electromagnetic, miniaturized, differential, noise-resistant microphone is used to transform sound vibrations into electrical oscillations of sound frequencies used in communication equipment and sound,
Only one side of the membrane should be used for effective product performance. If the sound source is at a distance from the microphone, it is applied by the vibrations, the diaphragm on both sides, so that it remains stationary or stuck. This provides noise resistance as the impact of noise is usually on all sides.
Main characteristics:
Dimensions: 30 x 23 x 10.8 mm;
Sensitivity at 1000 Hz: 0.4 - 1.25mV / Pa;
Frequency range: 400 - 1000 Hz;
Nominal frequency range: 200-4000 Hz;
Impedance at a frequency of 1000 Hz: 20 +/- 40 ohms;
Electrical resistance modulus at 1000 Hz: 400-1000 ohms;
Weight: 14 g.
Manufacturer: RUSSIA
PLEASE, READ CAREFULLY!
SHIPPING METHODS:
1. Europe -
Economy International Shipping -
no tracking number.
If you wish faster delivery and tracking number, please contact us before paying.
2. Worldwide -
Standard International Shipping - with tracking number included in the cost of shipping.
3. All orders above - with tracking number included in the cost of shipping.
The delivery time varies from
7 to 45 working days (9 weeks)
to most of the countries.
Detailed info you can find in the table below.
Delivery time
% of shipments that arrive in the said delivery time
Country
working days (without holidays and weekends)
<15
15-24
25-34
35-45
>45
<3 weeks
5 weeks
7 weeks
9 weeks
>9 weeks
Canada,
United States
5 %
85 %
7 %
3 %
0 %
Africa, South America
5 %
20 %
55 %
20 %
0 %
Japan, South Korea
10 %
85 %
5 %
0 %
0 %
Taiwan,
Thailand
5 %
45 %
45 %
5 %
0 %
China, India
5 %
40 %
50 %
5 %
0 %
Indonesia,
New Zealand
5 %
40 %
50 %
5 %
0 %
Israel
5 %
65 %
30 %
0 %
0 %
Australia
5 %
55 %
35 %
5 %
0 %
Russia
5 %
50 %
40 %
5 %
0 %
Europe
60 %
35 %
5 %
0 %
0 %
Others, not entered shall, countries
5 %
20 %
55 %
20 %
0 %
Items are generally shipped out within 24
(rarely 48)
hours after payment has been confirmed (Holidays, Sat. & Sun. excluded).
The delivery time depends on the destination, holidays, customs clearance factor and other factors.
Please
,
if you have a problem
, DO NOT OPEN CASE
on eBay
before this period has elapsed or before you communicate with us.
We ship your package to your eBay address. Please update your complete address including full name
and phone number
during checkout.
We are not responsible for any wrong or undeliverable address.
INTERNATIONAL BUYERS – PLEASE NOTE:
Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility.
Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying.
ADDITIONAL INFORMATION & QUESTIONS:
The pictures are for general information only
.
They do not carry technical information
.
I apply maximum efforts to work better and better. It is very important for me to get your feedback to know, whether you are really satisfied completely!
Please, contact us if you have questions - especislly in the delivery term.
Please use the link "Ask seller a question".
GUARANTEES & a POLICY of RETURN:
We guarantee you complete satisfaction with all our products. If you receive an item you ordered damaged or defective, we will send replacement item. We only accept returns if the items in original package you have received are not what was described in the auction, damaged or defective. If exchange is not possible money refund will be issued. All returns must be sent to Bulgaria. Item for returning must have the original tags and packing, otherwise it won't be accepted.
Thanks And Good luck!
72690_1*