Quick view Details sku: RDW-677 Matched Pair New Old Stock Sylvania 6SN7GT Vacuum Tubes (Item: RDW-677) MSRP: Now: $99.00 Add to Cart Quick view Details sku: RDW-676 Matched Pair New Old Stock General Electric 6SN7GTB Vacuum Tubes (Item: RDW-676) MSRP: Now: $74.00 Add to Cart Quick view Details sku: RDW-675 Matched Pair New Old Stock RCA 6SN7GTB Vacuum Tubes (Item: RDW-675) MSRP: Now: $89.00 Add to Cart Quick view sku: RDW-677 Matched Pair New Old Stock Sylvania 6SN7GT Vacuum Tubes (Item: RDW-677) Close cross-section and cross-tube matched pair of Sylvania 6SN7GT. Highly desired black plate, clear top medium-mu twin triodes. Common N3 production code (believed to be 1963). One tube tests 3045/3115 uMhos, the other 3080/3150 uMhos, with a baseline... MSRP: Now: $99.00 Add to Cart Quick view sku: RDW-676 Matched Pair New Old Stock General Electric 6SN7GTB Vacuum Tubes (Item: RDW-676) Close cross-section and cross-tube matched pair of new old stock General Electric 6SN7GTB coin-base medium-mu twin triodes. One tube tests 2870/2800 uMhos, the other 2940/2940 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes with... MSRP: Now: $74.00 Add to Cart Quick view sku: RDW-675 Matched Pair New Old Stock RCA 6SN7GTB Vacuum Tubes (Item: RDW-675) Matched pair new old stock RCA 6SN7GTB medium-mu twin triodes-orange label -black plates. One tube tests 3080/3080 uMhos, the other 3290/3080 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes. Tested on Hickok AN/USM-118B. MSRP: Now: $89.00 Add to Cart Compare Selected × OK
Quick view Details sku: RDW-676 Matched Pair New Old Stock General Electric 6SN7GTB Vacuum Tubes (Item: RDW-676) MSRP: Now: $74.00 Add to Cart Quick view Details sku: RDW-675 Matched Pair New Old Stock RCA 6SN7GTB Vacuum Tubes (Item: RDW-675) MSRP: Now: $89.00 Add to Cart Quick view sku: RDW-677 Matched Pair New Old Stock Sylvania 6SN7GT Vacuum Tubes (Item: RDW-677) Close cross-section and cross-tube matched pair of Sylvania 6SN7GT. Highly desired black plate, clear top medium-mu twin triodes. Common N3 production code (believed to be 1963). One tube tests 3045/3115 uMhos, the other 3080/3150 uMhos, with a baseline... MSRP: Now: $99.00 Add to Cart Quick view sku: RDW-676 Matched Pair New Old Stock General Electric 6SN7GTB Vacuum Tubes (Item: RDW-676) Close cross-section and cross-tube matched pair of new old stock General Electric 6SN7GTB coin-base medium-mu twin triodes. One tube tests 2870/2800 uMhos, the other 2940/2940 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes with... MSRP: Now: $74.00 Add to Cart Quick view sku: RDW-675 Matched Pair New Old Stock RCA 6SN7GTB Vacuum Tubes (Item: RDW-675) Matched pair new old stock RCA 6SN7GTB medium-mu twin triodes-orange label -black plates. One tube tests 3080/3080 uMhos, the other 3290/3080 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes. Tested on Hickok AN/USM-118B. MSRP: Now: $89.00 Add to Cart Compare Selected × OK
Quick view Details sku: RDW-675 Matched Pair New Old Stock RCA 6SN7GTB Vacuum Tubes (Item: RDW-675) MSRP: Now: $89.00 Add to Cart Quick view sku: RDW-677 Matched Pair New Old Stock Sylvania 6SN7GT Vacuum Tubes (Item: RDW-677) Close cross-section and cross-tube matched pair of Sylvania 6SN7GT. Highly desired black plate, clear top medium-mu twin triodes. Common N3 production code (believed to be 1963). One tube tests 3045/3115 uMhos, the other 3080/3150 uMhos, with a baseline... MSRP: Now: $99.00 Add to Cart Quick view sku: RDW-676 Matched Pair New Old Stock General Electric 6SN7GTB Vacuum Tubes (Item: RDW-676) Close cross-section and cross-tube matched pair of new old stock General Electric 6SN7GTB coin-base medium-mu twin triodes. One tube tests 2870/2800 uMhos, the other 2940/2940 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes with... MSRP: Now: $74.00 Add to Cart Quick view sku: RDW-675 Matched Pair New Old Stock RCA 6SN7GTB Vacuum Tubes (Item: RDW-675) Matched pair new old stock RCA 6SN7GTB medium-mu twin triodes-orange label -black plates. One tube tests 3080/3080 uMhos, the other 3290/3080 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes. Tested on Hickok AN/USM-118B. MSRP: Now: $89.00 Add to Cart Compare Selected × OK
Quick view sku: RDW-677 Matched Pair New Old Stock Sylvania 6SN7GT Vacuum Tubes (Item: RDW-677) Close cross-section and cross-tube matched pair of Sylvania 6SN7GT. Highly desired black plate, clear top medium-mu twin triodes. Common N3 production code (believed to be 1963). One tube tests 3045/3115 uMhos, the other 3080/3150 uMhos, with a baseline... MSRP: Now: $99.00 Add to Cart Quick view sku: RDW-676 Matched Pair New Old Stock General Electric 6SN7GTB Vacuum Tubes (Item: RDW-676) Close cross-section and cross-tube matched pair of new old stock General Electric 6SN7GTB coin-base medium-mu twin triodes. One tube tests 2870/2800 uMhos, the other 2940/2940 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes with... MSRP: Now: $74.00 Add to Cart Quick view sku: RDW-675 Matched Pair New Old Stock RCA 6SN7GTB Vacuum Tubes (Item: RDW-675) Matched pair new old stock RCA 6SN7GTB medium-mu twin triodes-orange label -black plates. One tube tests 3080/3080 uMhos, the other 3290/3080 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes. Tested on Hickok AN/USM-118B. MSRP: Now: $89.00 Add to Cart Compare Selected × OK
Quick view sku: RDW-676 Matched Pair New Old Stock General Electric 6SN7GTB Vacuum Tubes (Item: RDW-676) Close cross-section and cross-tube matched pair of new old stock General Electric 6SN7GTB coin-base medium-mu twin triodes. One tube tests 2870/2800 uMhos, the other 2940/2940 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes with... MSRP: Now: $74.00 Add to Cart Quick view sku: RDW-675 Matched Pair New Old Stock RCA 6SN7GTB Vacuum Tubes (Item: RDW-675) Matched pair new old stock RCA 6SN7GTB medium-mu twin triodes-orange label -black plates. One tube tests 3080/3080 uMhos, the other 3290/3080 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes. Tested on Hickok AN/USM-118B. MSRP: Now: $89.00 Add to Cart Compare Selected
Quick view sku: RDW-675 Matched Pair New Old Stock RCA 6SN7GTB Vacuum Tubes (Item: RDW-675) Matched pair new old stock RCA 6SN7GTB medium-mu twin triodes-orange label -black plates. One tube tests 3080/3080 uMhos, the other 3290/3080 uMhos, with a baseline of 1750 uMhos. 1960s production in original boxes. Tested on Hickok AN/USM-118B. MSRP: Now: $89.00 Add to Cart Compare Selected