Siemens E88CC Grey Shield NOS NEW NIB Old Production Very Strong Tube

EUR 99,00 Sofort-Kaufen, EUR 5,99 Versand, eBay-Käuferschutz
Verkäufer: schakalak ✉️ (579) 100%, Artikelstandort: Stuttgart, DE, Versand nach: WORLDWIDE, Artikelnummer: 174557034563 Siemens E88CC Grey Shield NOS NEW NIB Old Production Very Strong Tube.

One Siemens E88CC NOS / NEW / NIB tube in original box. Old Siemens production from early 1960ties, box code matches tube code (see photos). Very strong tube. See test results. Old production with double stage getter, grey shield and old production Siemens box. Excellent preamp audio tube!

1.) Emission, tested with calibrated Neuberger RPM 370/1 tube tester and calibrated Fluke multimeters:

Ua = 100V, Ug1 = +9V, Rk = 680 Ohms

System 1 = 17,8 mA (15,0 mA = new) = 119%

System 2 = 19,7 mA (15,0 mA = new) = 131%

Heater to cathode short test system 1 = OK, 0 mA

Heater to cathode short test system 2 = OK, 0 mA

Short test all tube electrodes system 1 = OK

Short test all tube electrodes system 2 = OK

Vacuum test system 1 & 2 = OK

Notification: I am testing emission with the specs listed in the original tube data sheets for a new tube, which guarantees real and comparable test values. Often the test specs of a tube tester differ from the specs in the tube data sheets, especially for testing CCa / E88CC / E188CC tubes: Neuberger RPM-370/1 tests with Ua=90V, Ug1=1,2V and no cathode resistor. I am testing with Ua=100V, Ug1=+9V and a cathode resistor Rk=680 Ohms according to the tube data sheet for CCa / E88CC / E188CC tubes.

2.) Tube strength / Mutual transconductance, tested with calibrated U. S. army TV-7A/U tube tester:

System 1 = 13.000 micromhos (meter reading = 104 @ range D).

System 2 = 14.750 micromhos (meter reading = 118 @ range D).

Minimum reading for good for E88CC on TV-7A/U is 6250 micromhos (meter reading = 50 @ range D)

All electrode short test ok (both systems)

Vacuum & gas test ok (both systems)

Your satisifaction is very important to me. I offer a full take-back with complete refund within 30 days after delivery if you are not satisfied with the tube.

Conditions for a take-back: Tube must be returned unused (except a short listening test, of course) and completely undamaged. Shipment back to me will be made on buyer’s risk only. Money-back transfer for take-back will only be made via PayPal after the tube safely arrived back here.

Tube is sold as is. Private sale. I cannot offer any guarantee or warranty. Shipping on buyer's risk only! I will pack the tube very, very carefully and will make a packing documentation / photos. Shipping only with DHL / Deutsche Post and with shipment tracking. No exceptions.

Payment: Only in advance via Paypal within 5 days after auction ending.

I ship worldwide. Shipping costs will vary accordingly to your destination.

Important actual note: please be aware that due to the actual virus crisis shipping to international destinations especially outside the EU will be more expensive or even not possible. Also the shipping time / duration will possibly be longer.

PLEASE ASK FOR THE SHIPPING COSTS THROUGH THE EBAY MAIL SYSTEM BEFORE PAYING VIA PAYPAL - I WILL SEND YOU AND UPDATED INVOICE WITH ACTUAL SHIPPING COSTS TO YOUR COUNTRY VIA EBAY AND YOU CAN THEN PAY VIA PAYPAL!!!

Many thanks for your interest.

  • Condition: Neu: Sonstige (siehe Artikelbeschreibung)
  • Condition: NOS / NEW / NIB tube in original box, old Siemens production from early 1960ties, box code matches tube code (see photos). Very strong tube. Old production with double stage getter and grey shield. Box is a little wrinkled.
  • Marke: Siemens
  • Produktart: Vorverstärkerröhre
  • Modell: E88CC
  • Herstellungsland und -region: Deutschland

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