HERE FOR SALE IS A VINTAGE MILITARY GRADE MULLARD CV491 / 12AU7 / ECC82 VALVE. THE VALVES TESTS FREE OF ANY SHORTS AND TEST GOOD ON ITS GAS AND NOISE TESTS. ITS FACTORY  DATE CODE IS 1593 D3. AFTER 1955 THE K6 CODE WAS INTRODUCED IT WAS FROM THE EARLIEST EVER MADE IN 1953. WITH COPPER POSTS 17mm LONG WELDED PLATE AND CROSSBAR BOX GETTER,  ITS TESTING AS WORKING AS CAN BE SEEN BY MY HICKOK TESTER RESULTS. AN IDEAL EXTREMELY RARE WORKING VALVE. THE VALE WILL BE SHIPPED BY ROYAL MAIL INTERNATIONALLY SIGNED, TRACKED AND INSURED MAIL.

HICKOK TEST RESULTS ARE AS FOLLOWS:

Triode 1:  gm: 1.6 mA/V  (1600 micromhos)

Triode 2:  gm: 2.1 mA/V  (2100 micromhos)

HICKOK AVERAGE BOOK SPEC NEW IS  gm 2.2mA/V (2200 micromhos)....100%

                                                                                  gm 2.2mA/V (2200 micromhos)....100%

THANK YOU FOR VIEWING. 

IMPORTANT INFORMATION

I sell vintage electronics, these items by their nature are very old and fragile. Although every care will be taken to ensure they are packed to a high standard.

BIDDING: Please do not bid on any item unless you have an eBay rating of 98%+ or good feedback of 3 or more.

POSTAGE: If winning bid is outside the UK please wait for my invoice before making payment. This will enable me to check and confirm the correct postage to your country as the OVERSEAS rate is a guide only. Postage covers insurance up to the value of £41.00 for a lost item, it does not cover breakage of glass as this cannot be insured. Anything over £30.00 will need to be *Internationally Signed For* which will cost £5.00 extra to the normal postage cost.

PAYMENT TERMS: Winning bidder to pay invoice within 3 days of auction ending.

DESPATCH: I always post within 3 working business days.

RETURNS: Not accepted. I obtain receipt of postage for all despatches. If an item is lost I will help as much as I can with reimbursement from the post office.

FEEDBACK: If for any reason you believe the item not to be as described in the auction then please contact me before leaving any negative feedback so we can try to resolve the issue. Feedback is extremely important to me.