Description: All tubes are tested using a Hickok 752A tester. Minimum or "min" micromhos (Gm) values are per the 752A's Minimum Mutual Conductance rejection values roll chart for amplifier tubes and amplifier sections of multi-purpose tubes. Similarly, the rejection values for rectifier and detector type diodes are also listed as "min" values. *** Listed here is a mixed lot of (QTY 4) previously used RCA & National Union 1625/VT136 (QTY 3) and 1624/VT165 (QTY 1) Vacuum Tubes from the 1940's with ST Bottles, Black Plates and Dual Bottom D Getters - LOT #26 (Tube #984, #985, #986 and #987) - SEE TEST DATA AND DETAILS BELOW *** See Test results below and note tested Gm values compared to the "min". Printing on the tubes is great. Packed in White Tube Boxes as originals are not available. Tubes will be shipped within two business days and shipping is via UPS Ground. Tubes will be packed extremely well for safe delivery. TEST RESULTS: Tube #: 984 Tube Type: 1624 Brand: JAN-1624 VT-165 Manufacturer: RCA Mfg Date: 1944 Production Type: ST Bottle, Black Plates, Dual Bottom D Getters, H1E date code Test Date: 11/4/2022 Grouping: LOT 26 Gm 1: 4300 Min 1: 2200 Leak: No Gas: No Rsv Life 1: 925/1000 Tube #: 985 Tube Type: 1625 Brand: JAN-CNU-1625 VT-136 Manufacturer: National Union Mfg Date: 1944 Production Type: ST Bottle, Black Plates, Dual Bottom D Getters, HU date code Test Date: 11/4/2022 Grouping: LOT 26 Gm 1: 4600 Min 1: 2400 Leak: No Gas: No Rsv Life 1: 1000/1000 Tube #: 986 Tube Type: 1625 Brand: U.S.N. CRC-1625 Manufacturer: RCA Mfg Date: 1943 Production Type: ST Bottle, Black Plates, Dual Bottom D Getters, K4E date code Test Date: 11/4/2022 Grouping: LOT 26 Gm 1: 3400 Min 1: 2400 Leak: No Gas: No Rsv Life 1: 975/1000 Tube #: 987 Tube Type: 1625 Brand: U.S.A. VT-136 Navy Anchor Manufacturer: RCA Mfg Date: 1943 Production Type: ST Bottle, Black Plates, Dual Bottom D Getters, K1 date code, SC278A mfg code Test Date: 11/4/2022 Grouping: LOT 26 Gm 1: 3800 Min 1: 2400 Leak: No Gas: No Rsv Life 1: 975/1000
Price: 18 USD
Location: Avon, Colorado
End Time: 2024-08-06T23:36:14.000Z
Shipping Cost: N/A USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: RCA
Type: Vacuum Tube
Model: 1625 / 1624
Country/Region of Manufacture: United States
