Description

Tested Pair of 6BL8 6LN8 Raytheon NOS NIB Audio Receiver Preamplifier Vacuum Tubes Country of origin: Japan Production era: 1960s Model: 6BL8 6LN8 Manufacturer: Raytheon Type: preamp Plate type: gray & black Base type: 9 pin Spacers: two Filaments: standard Getter frame: wire Getter flash: top Glass: clear Stencils: excellent Condition: mint with minor variations Original carton: excellent Usage: NOS (new) Quantity: 2 Please review the photos for more detail Test results: Excellent strong balanced test results for Gm: 6.9 / 3.1 and 5.9 / 2.9 For Gm, the suggested minimum value is: 4.0 / 2.1 Shorts: None detected For testing, a calibrated Triplett 3444A tester was used Compatibility: Suitable for vintage tube-based equipment ideal for use in tube amplifier power supplies and vintage audio / test equipment The tube will be carefully packed to ensure safe shipping Estimated delivery time within the USA is 3 to 7 business days Standard shipping service is US Postal 1st class Shipping is combined when applicable Please feel free to contact us if you require any additional information