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Vintage Philips Miniwatt ECC83 / 12AX7 – Heerlen Holland – Strong Tested – Vintage Philips Box
Offered is one genuine vintage Philips Miniwatt ECC83 / 12AX7 dual triode vacuum tube, manufactured at the famous Philips factory in Heerlen, Holland.
This example features original Philips Miniwatt white lettering, authentic etched Heerlen factory code, and an attractive vintage yellow Philips Miniwatt box.
The tube has been individually tested and delivers excellent electrical measurements, with both triode sections exceeding the nominal transconductance specification.
Tube Details
Type:ECC83 / Heerlen, Holland
Etched factory code:Δ1F3
Factory identification:Δ (Heerlen, Dutch Philips production
Getter:Intact silver getter deposit
Quantity:1 tube
Packaging:Vintage Philips Miniwatt branded box
Individual Test Results
This tube has been electrically tested, with both triode sections measured individually.
Test conditions:
Measured results:
SectionPlate Current (Ia)GmGm vs SpecTriode 11.5 mA1,850 µmhos116%Triode 21.2 mA1,700 µmhos106%
Both sections test above nominal transconductance specifications.
These results indicate strong electrical performance at the stated test conditions.
The actual measurements are provided for complete transparency.
Condition
The tube is in very good vintage cosmetic condition, retaining much of its original Philips Miniwatt white lettering.
The silver getter deposit remains intact, and the internal construction appears clean and well preserved.
The tube comes with a vintage yellow Philips Miniwatt box showing visible signs of age, storage wear, and minor damage to the cardboard.
Electrically tested with strong results. Previous usage history is unknown, so the tube is conservatively listed asUsed, not NOS.
No separate noise or microphonics test has been performed.
Why Philips Heerlen?
The Philips factory in Heerlen, the Netherlands, was one of Europe's most respected manufacturers of vacuum tubes.
Original Dutch-made Philips ECC83 / 12AX7 tubes remain highly desirable among vintage audio enthusiasts, collectors, and restorers.
The ECC83 is a classic high-gain dual triode widely used in:
An appealing example of authentic European vacuum tube manufacturing, complete with period Philips Miniwatt packaging.
Shipping & Guarantee
You will receive the exact tube and box shown in the photographs.
Carefully packed for safe international shipping.
Shipped worldwide from the Netherlands.
DOA-only return policy.
Please examine all photographs carefully, as they form part of the description.
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