MATCHED PAIR EC81 Philips Headphone Amp TUBES Nobosound Little Bear P2 6R4 6C11

Description

EC81 (6R4) / Gold Pins
Vintage UHF Triode Tubes
60's made by Philips, Heerlen, Holland factory for Zaerix.
The same factory that produced some of the most legendary tubes for Amperex, Mullard and Valvo
The EC81/6R4 tubes are direct replacements and audiophile upgrade for the 6C11 in the Nobosound Little Bear P2.
TESTED & ELECTRICALLY MATCHED PAIR (
LOT OF 2
TUBES )
Ia
S
mA
mA/V
1
30.0
5.5
2
30.0
5.5
The parameters are measured at Ua = 120V & Ug1 = -2V
where 100% is Ia=30mA & S=4ma/V
Terms and Conditions
By committing a purchase from this listing you confirm, that you have read, fully understand and accept the following:
The item(s) will be shipped by:
ECONOMY international mail (
without tracking
)
or
STANDARD international mail (
with tracking
)
it depends on what service you will choose during the eBay checkout.
Using a tracked service is always recommended!
IMPORTANT
: If your order came with Economy mail chosen, you acknowledge, that you have consciously chosen an unregistered service without the possibility to have your package tracked/located in transit, therefore all associated risks of delays and/or loss of the package remain buyers responsibility and for your own expense. A
fter-sale customer support in terms of order tracking, refunds and/or replacements in cases of delay and/or loss in transit will be ONLY possible for orders with Standard mail and will not be offered for orders with Economy mail chosen!
Estimated Time of Delivery:
Economy
(
Europe
10-20 business days /
Rest of the world
15-45 business days )
Standard
(
Europe
7 - 10 business days /
Rest of the world
10-15 business days)
NOTE:
-
If you purchase several items you might be eligible for combined shipment discount in order to reduce shipment costs.
Please contact us, if you intend to purchase multiple items or if you already did, so we can review and adjust your total, if needed.
-
We
reserve our right to offer only tracked mail and/or better service to selected listings and countries and refuse posting Economy, even if that service has been selected during check-out (in such cases we will contact you before posting with alternative options)