5AW4GB Westinghouse Tube (New Old Stock) Test New 1 Year Warranty
Reference tube is tested first then the tube listed for sale. Test procedure.
Matched Pair CBS 7729 Gold Pin 12AX7 Vacuum Tubes Amplitrex Strong NIB RARE
The 7729 is a premium, low-noise industrial version of the standard 12AX7 vacuum tube. Standard 12AX7 tubes can vary wildly in background noise, hiss, or microphonic ringing.
CBS 7025 (12AX7 ECC83) Long Plate D Getter VACUUM TUBE TV7 TESTED STRONG
Tested strong using a professionally calibrated TV7A/U tube tester at 42/40gm (32 is minimum).
QUAD NOS NIB CBS 6SN7 GTB TUBES ALL TESTED over 100% DATED 1960
Minimum for a good 6SN7 is 50. Four NOS NIB CBS 6SN7GTB Tubes from a partial case. All dated 6052. 52 week of 1960. These were part of a NOS Case. Excellent tubes. These are NOS Tests!
Set of 3 CBS 6SN7GTB & CBS Hytron 6SN7GT Vacuum Tube
The gentleman was a repairman. We do not know anything about these tubes. We will picture them to the best of our ability and note #’s when found. In addition to the tubes there are 5 cases. One original box, one loose.
CBS 6SN7GTB Vacuum Tubes
EXCELLENT NEVER INSTALLED CONDITION.
6211 CBS by GE NOS Vacuum Tube, TV-7D Tested – will combine shipping
Vacuum Tube. sections of a single tube. Within 3% I consider to be ‘Balanced’. Tested at 38/35. Clean tubes will radiate heat better & operate cooler. Dual Side O Getters. Tubes will generally be cleaned.
CBS 6BN6 NOS Vintage Vacuum Tube Audio Radio Electronic Component
This CBS 6BN6 vacuum tube is a NOS (New Old Stock) electronic component, perfect for audio, radio, and amplifier applications. The tube is vintage and comes in its original CBS-branded packaging, ensuring authenticity and quality. Made in the USA, it is designed to meet high standards of performance for vintage electronics enthusiasts. The tube is unused and in excellent condition, offering reliability for your electronic projects or restorations. Ideal for collectors or those looking to maintain classic audio equipment, this vacuum tube represents a piece of electronic history.
6BN6 TUBE CBS TESTED & BOXED VINTAGE SURPLUS
Boxes might show wear from being in storage. Everything can be resolved without leaving a negative feed back.
CBS Hi-Fi Matched 6550 Power Tubes – Original CBS Boxes Triple getter match code
CBS Hi-Fi Matched 6550 Power Tubes – Original CBS Boxes – Matching 1959 Date Code 5952 – Triple D Getter – Strong Matched Pair. Genuine CBS Hi-Fi Matched 6550. In addition to laboratory testing, the tubes were installed and evaluated in aWillsenton R8 integrated amplifier under normal listening conditions.
