Four Sylvania 5814A tubes with testing information on the side of each box. Your testing system may give different results; this is normal and will not be a valid cause for a refund. All tubes are sold as is. Please message me if you have any questions or want more photos.
These are closely matched for both gain/mu and mA/V transconductance, with very strong low-noise results. This quad is very tightly matched on mA/V, with all sections testing between 1.50 and 1.54 mA/V.
All tubes come with a full 30 day, unconditional, no questions asked, money back or exchange satisfaction guarantee!You are purchasing 2 brand new Philips JAN 5814A military spec tubes. The price listed is for one lot of 2 tubes. To purchase more than one lot, when available, simply change the number in the quantity box which is located just below the advertised price. Shipping to Canada is $17.50 for the first lot and $3.00 for each additional lot. Please email with any questions and/or concerns.Thank you for viewing my listings.