Test results on your tester will NOT be accepted as evidence of defect ive product.
Item Tag: NOS Tube
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1x Amperex ECC88 6DJ6 O-getter – Bugle Boy Label – Heerlen 1962 – NOS
Test result on your tester will NOT be accepted as evidence of defective product.
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LOT OF 5 E80F PHILIPS/AMPEREX audio tubes – NOS –
1 LOT OF 5 TUBES E80F TUBES NOS. 1 AMPEREX “PQ” QUALITY.
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Pair AMPEREX 7062 E180CC RARE- BUGLE BOY Treble Clef Matched Heerlan Δ1A2 Grail
Amperex Made in Holland 7062 – matched date codes. ULTRA RARE BUGLE BOY treble clef LOGO. Closely matched pair. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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6907 Amperex NOS Double Tetrode UHF Transmitter Tube Hamm Radio Museum Quality
UHF transmitting double-tetrode, 20W anode dissipation. NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. Was used by Transmittertube (Radio).
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Philips ECC83 – Foiled D-getter 1957 “Balanced” NOS
Very,very rare early version from. It have foiled D-getter and long plates. It test perfect and balanced at 1.25 + 1.20mA. The carrier is responsible for ensuring compliance.
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NOS Pair PhilipsECG 7025 12AX7WA ECC83 Long Plates Ring Getter 12AX7
NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
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ECC83 E83CC MATCHED PAIR Tunsgram Musical Audio Tubes
NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states “Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.