Description
Tested Pair of GL 1612 6L7 GE Metal Audio Receiver Preamplifier Vacuum Tubes Country of origin: USA Production era: 1940s Model: GL 1612 6L7 Manufacturer: GE Type: Preamp / driver Base type: octal 8 pins Stencils: excellent Condition: excellent same construction Usage estimate: minimal Cartons: originals good condition Quantity: 2 Please review the photos for more detail Test results: Excellent strong balanced results for Gm: .8 and .85 The suggested minimum value is: .70 Shorts: None detected For testing, a calibrated Triplett 3444A tester was used Compatibility: Suitable for vintage tube-based equipment, ideal for use in guitar amplifiers, preamps and general audio equipment The tubes 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