6S18S 6C18C RUSSIAN 100% TESTED HIGH-QUALITY AUDIOPHILE POWER TUBE = 6S33S

Description

PLEASE, READ CAREFULLY EVERYTHING. IT IS IMPORTANT.
A
bout Item
:
6S18S
(6C18C),
100% TESTED,
Russian/Soviet (USSR) tubes.
NEW,  tested, perfect condition.
Tester L3-3, Uf = 12.6 V; Ua = 120 V; Rc = 35 Ohms.
1. Tube 1 : Ia = 510 mA,
1967
year
2. Tube 2 : Ia = 530 mA, 1968
year
* Ia min / max acceptable value 470 mA - 630 mA
NOS tubes, made in
USSR
, items is new,
100% TESTED
old stock.
They consist of two triodes (A and B) in the same glass envelope. Cathodes, grids and plates are internally connected in parallel. The filaments are lead out separately for each triode.
Name
6C18C
Type
Output triode
Application
LFpower amplification
Cathode type
&
oxide,indirect heating
Envelope:
Hard glass casing
Mass:
<200 g
Height:
<130 mm
Diameter:
<
65 mm
Base
Septar7
Pin
Electrode
1
Heater Filament A - 1
2
Heater Filament A - 2
3
Cathode
4
Plate
5
Grid
6
Heater Filament B - 1
7
Heater Filament B – 2
TYPICAL OPERATING DATA:
FILAMENT CURRENT
Serial heater connection – filament voltage 12.6V
(3.3 ± 0.3) A
Parallel heater connection – filament voltage 6.3V
(6.6 ± 0.6) A
TYPICAL OPERATION
Plate voltage
120 V
Cathode resistor for cathode bias
35 Ohms
Warm-up time to steady state
> 600 s
1
Plate current
(550 ± 80) mA
1
- Warm-up time to 90% emission < 120 s.
2
- Older versions and 6C33C/6S33S (540 ± 90) mA.
ABSOLUTE MAXIMUM RATINGS:
Exceeding these ratings will cause permanent damage and/or premature failure of the valve. The circuit design has to assure that these absolute maximum ratings are not exceeded under any circumstances (worst case component tolerances and aging, environmental conditions and mains voltage deviations).
FILAMENT VOLTAGE:
Serial connection of heater filaments
(11.3 ... 13.9) V
Parallel connection of heater filaments
(5.7 ... 6.9) V
PLATE VOLTAGE:
Dissipation > 30 W
250V
Dissipation < 30 W
450V
Zero Current at power-up
600 V
NEGATIVE GRID VOLTAGE
(–0.5..-150) V
GRID CIRCUIT RESISTANCE
200 kOhm
VOLTAGE BETWEEN CATHODE AND HEATER
±
300 V
ENVELOPE TEMPERATURE (J):
Ambient J = 20° C
260 °C
Ambient J = 100° C
300 °C
Ambient J = 150° C
320 °C
PLATE CURRENT:
One triode operating
350 mA
Both triodes operating
600 mA
PLATE DISSIPATION:
One triode operating
45 W
Both triodes operating
60
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!
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