These are very high transconductance wide-band pentodes for industrial applications, with high amplification factor at low plate resistance (triode connection) similar to the famous D3a tubes. Factory codes are d36 Δ1H4 and d3?.
Item Tag: Philips
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6 x NOS Siemens Philips Ultron ECC189 6ES8 Dual Triode Audio Vacuum Tubes
ECC189 / 6ES8 – Lot of 6 NOS Tubes. Tube Type: ECC189 / 6ES8 / 6BS8 – Semi-Remote Cutoff Dual Triode. ECC189 ~ 6ES8 ~ 6BS8. Price is for the complete lot of six. 3 Ultron SQ Original orange Ultron box Special Quality grade; 6BS8 designation on box.
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1x Philips PCC88 7DJ8 O-getter – Teonex Label – Heerlen, Netherlands 1962
Test result on your tester will NOT be accepted as evidence of defective product.
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1x Philips 6SN7GT Bottom Rectangle Getter –Orig. Box and Paper- Holland 60s –NOS
1960s Holland production – Open and airy sound – expansive midrange and extended top end – superior vocals. Test result on your tester will NOT be accepted as evidence of defective product.
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3 Philips Tubes: ABL1, ABC1, AK2 Used in Radios 1930´s & 40´s AVO tested- NOS
These tubes were used in radios in 1930´s and 1940´s.
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2 x NOS? Philips EF40 Metal Base Test GOOD L9B Solid DIsk Getter Vacuum Tube
These are highly sought after by collectors and audiophiles. Price is for both tubes. Tube Type: EF40. Getter Type: D-getter. Condition: NOS. Key Features. Test Results. Test conditions: Uf=6.3V, Ua=250V, Ug2=140V, Ug1=-2.0V.
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PHILIPS DCX4/5000 TUBE MADE HOLLAND
The product is a vintage Philips DCX4/5000 vacuum tube made in Holland. This unit is a valuable addition to any vintage electronics collection, specifically for those interested in vintage audio and video equipment. The Philips brand is known for its quality electronic components, making this tube a sought-after item for collectors and enthusiasts of vintage audio technology.
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(1) Philips PE1/100 Tube Made in Holland Transmitting Pentode Tube
Outside of that, the full working condition is unknown. Made in Holland.