Description

Matched pair of NOS (New Old Stock) GU-74b or 4CX800 tubes.

Single tubes available - click here to go to the single tube page - please call.

ONE YEAR WARRANTY FROM WHEN YOU BUY THE TUBES -

SPECIAL FOR A LIMITED TIME: DUE TO A RECENT BULK PURCHASE, WE ARE OFFERING THESE TESTED TUBES AT A DISCOUNT WHILE SUPPLIES LAST.

REGULAR PRICE FOR MATCHED PAIR: $1250 SALE PRICE: $1000

We test thoroughly all our tubes before shipping them and pick matched pairs after testing the tube structure and its RF performance in our RF Lab.

Test Bench

Our RF lab's test bench consists of a Hi Pot tester, the M-100DC and a modified Acom 1011.

The modified Acom 1011 and the HI Pot tester M-100DC with the tetrode connections module on top.

View of the Hi Pot tester M-100DC and the tetrode connections module. This instrument can generate up to 5000 V DC to test the tube for shorts and other parameters.

RF testing Amplifier

The Report

Sample of a real test report for a GU-74b tetrode.

GU 74b Matched pair of 4CX800 or GU74b tetrode tubes. NOS (New Old Stock)

Product Code: GU-74B-Pair
Availability: In Stock

$1,000.00

Qty

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