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Price is for the Pair!


AUTHENTIC AMERICAN

G.E UNITED STATES OF AMERICA

GENERAL-ELECTRIC

NOS MATCHED PAIR or QUAD!

MATCHING "LZ" & "LZ" DATE CODES

BLACK BASE

7581A = KT66

"D"-SHAPE GETTER RINGS

7581A KT66 NOS 1969 GE AMPLITREX TESTED MATCHED-PAIR 5,800 & 5,600 - Picture 9 of 16

RECOMMENDED IN:

HARMAN KARDON AMPS

AMPLITREX TESTED Fixed Bias mode! 

7581A KT66 NOS 1969 GE AMPLITREX TESTED MATCHED-PAIR 5,800 & 5,600 - Picture 13 of 16

You can see by the G.E. GLASS-ETCH in both tubes, 

and AMPLITREX AT1000 TESTED WITH "PROOF YOU CAN SEE". 

GREAT FOR THE 7581A ENTHUSIAST TO RESTORE PRECIOUS AMP WITH AUTHENTIC 1969 TUBES!

7581A KT66 NOS 1969 GE AMPLITREX TESTED MATCHED-PAIR 5,800 & 5,600 - Picture 2 of 16

RARE MATCHING "LZ" & "LZ" DATE CODES tell us 

these were made in 1969!

PAIR 1: (AVAILABLE)

7581A KT66 NOS 1969 GE AMPLITREX TESTED MATCHED-PAIR 5,800 & 5,600 - Picture 15 of 16

64,2mA/5,800 + 67,6mA/5,600 GM

7581A KT66 NOS 1969 GE AMPLITREX TESTED MATCHED-PAIR 5,800 & 5,600 - Picture 16 of 16

mA rises as the longer the tube tests to 69,0mA & 66,8mA

RARE MATCHING "LZ & LZ" DATE CODES


NOS PLATINUM MATCHED

in fixed-bias mode


NOS RECOMMENDED for ...

69' Fender Bassman

Fender Super Reverb

Ampeg VT-22

Dumble type circuits 

Two-Rock amplifiers

Bludotone

Glaswerks

HARMON KARDON

... and other fine amps!

GREAT "D-GETTER" TUBES 

NOS from USA! 

CERTIFIED LOW-NOISE TESTED

 TubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be. 


PLEASE READ the TERMS & CONDITIONS OF SALE:

Domestic & International Buyer's Terms of Auction

International Buyers - Please note: Import duties, taxes, and charges are not included in the item price or shipping cost. 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 or buying. 

We do not low declare and we insure for full value.


We do not guarantee that your tester, or your tester's measurements will be the same as the Amplitrex AT-1000. Older testers, different testers, or the same tester may report different test measurements, and may not measure the same tube meaningfully (due to current dependency), accurately (due to calibration difficulties) or consistently (due to internal circuit drift) There is no warranty or returns based on what any other tube tester reports.

THE COST OF ALL USA SHIPPING INCLUDES INSURANCE, TRACKING NUMBER AND DELIVERY CONFIRMATION

If we accepted a buyer's return request but the item is returned in a different condition than it was originally sent: including electrical wear, lower testing caused by excessive use, cosmetic wear or condition, missing or damaged packaging, ID tags removed or altered, and length of opening an eBay return-request exceeding 3-days after receipt of items, we can deduct up to 50% from the refund to recover the lost value of the item.

No zero (0) status bidders without permission, or we reserve the right to cancel your bid. Buyer is responsible for all import duties at price paid for item(s).

TUBEMUSEUM NEW YORK

NOS GENERAL-ELECTRIC USA 

Phenomenal NOS TUBES!

phe·nom·e·nal/fəˈnämənəl

1. Very remarkable; extraordinary.

2. Perceptible by the senses or through immediate experience.


NOTICE: 

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All Rights Reserved


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Price is for the NOS pair!

Bid one (1) for the Pair!