Siemens E88CC 6922, Pair NOS, Gold Pin, West Germany Low Noise and Platinum Matched
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Condition | |
Payment methods | |
Ships from | Brea, CA, 92821 |
Ships to | Worldwide |
Package dimensions | 8.0" × 6.0" × 4.0" (1.0 lbs.) |
Shipping carrier | USPS |
Shipping cost | $5.00 |
Average | Research Pricing |
Matched pair of NOS E88CC/6922 tubes made by Siemens in West Germany.
I obtained these tubes as NOS without their boxes and they test exactly like NOS and look NOS too.
Both tubes have red color painted dots indicating special selection (medical application, etc).
Both have identical construction.
Etched codes on metal inside of tubes: A4 8J
Made in 1968.
Tested in my preamp and they are super quiet and extremely strong!!!
All 4 sections matched within 3%!!!
I have 3 more of the same tube if interested.
Prefer Check or Money Order as payment.
If paid by Paypal, please add 3.5% fee.
I guarantee excellent performance, so buy with confidence.
If you are not satisfied with my tubes for any reason, just let me know and simply return the tubes for full refund.
(Buyer pays for return shipping)
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Gm Test:
Tube #1 Triode Section 1: 14900
Tube #1 Triode Section 2: 14500
Tube #2 Triode Section 1: 14700
Tube #2 Triode Section 2: 14700
Where minimum good is 7000 and spec for new is 12500
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Excellent performance guaranteed, so buy with confidence (full refund if not satisfied).
First Class Mail shipping within US with tracking is $5.
USPS International First Class Mail is $14 ($12 to Canada).
All tubes are tested by Hickok 539C vacuum tube tester. This tester was precision calibrated by Roger Kennedy to improve measurement accuracy. 83 and 5Y3 tubes were replaced by Solid State rectifiers to minimize calibration drift in the tester.
All tubes are installed into an actual audio circuit to screen them for internal tube noise/micorphonics. This is especially important with the 6DJ8/6922/7308 tubes.
Music Reference RM-4 pre-preamp (moving coil head amp with 30 db gain) is used for "in circuit"/real world noise/microphonic testing. This unit uses two 6DJ8/6922/7308 vacuum tubes. Each channel uses both triode sections making it ideal tool for noise/microphonic testing of both triode sections.
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Return Policy
Return Window
Item can be returned within 7 days of receipt.
General Terms
Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
Refunds
Buyer will receive a full refund in the original payment method less any shipping charges.