My favourites are still the telefunken types and the large plate philips and siemens types from th. This 1965 tungsol 12ax7a tube has wide gray plates and a halo getter. I actually preferred sound of ecc85 to ecc88 in all of the applications except for a driver tube. Ive replaced quite a few with nos ecc85 and never had issues.
The 6n23pecc88s were made in russia by voskhod in the 70s and early 80s, and are marked with the original russian code. Ecc85 datasheet, ecc85 pdf, ecc85 data sheet, ecc85 manual, ecc85 pdf, ecc85, datenblatt, electronics ecc85, alldatasheet, free, datasheet, datasheets, data sheet. Actual nos nib ovp boxes comes is original bwb falcon military whitebox as shown above. Tube museum quality nos nib ovp quality tested 100% nos 1960s bwb falcon telefunken diamond ecc85 6aq8. Copper rod version is definitely one of the best ecc85 tubes that ive listened to. These amazing tubes are known for their amazing midrange and detailed inner respolution and have some of the highest strength and test results we have seen in any. Tungsol 12ax7a long gray plates, halo getter, phono grade.
Direct replacement for the 6n1 driver tube, posted on may 4, 2012 at 09. Sep 24, 20 the 6dj8 is a good tube, its not as long lived as the industrial grade 6922 and 7308. One triode would be used as an rf amplifier and the other as the local oscillator. Oct 04, 2010 according to us, must a tube which can be used as equivalent, be at least for 95% have the same parameters as the tube he must replace.
Here is a matched quad of vintage 6aq8 ecc85 made in holland by amperex, labeled philips miniwatt. For most, the 6aq8, 6cg7, 6dj8, 12au7, 12bh7, or ecc99 will the first choices. It has very solid body compared to a thin bodied presentation of the other tube. This is a suitable replacement for any 5687 tube type. Hello all, my school is moving and i was helping my physics teacher, he gave me some things, and today while cleaning a cabinet, i saw a nice little box, then i realized they are tubes, he told me to throw them at the garbage, i took them, 2 nice ecc85 tubes or as they are named in america 6aq8 fabricated by rft, are these tubes usable in radio receivers. The two independent valves are screened by a rectangular plate across the diameter of the envelope. Philips miniwatt holland 6aq8 ecc85 matched tube pair. The higher the transconductance, the lower the output impedance.
Classic long plate european design with special grid plated by gold to reduce microphone interaction and noise. Your ecc85s even beat out the performance of the 6sn7 detector tube. This is a list of vacuum tubes or thermionic valves, and lowpressure gasfilled tubes. Unmarked tube rca ecc85 6aq8 jan phillips 5814a 12au7. You can use acrobat for viewing and printing pdf files. Sound wise, siemens is siemens very transparent sound with good amount of body and huge sound stage.
Tube depot carries a selection of 6aq8 ecc85 pre amp vacuum tubes. My personal experience is with the chinese dared mp5 amplifiers which come with 6n1 in the preamp. Please see the substitutes at the top of the page for more details. Nov 07, 2012 i actually preferred sound of ecc85 to ecc88 in all of the applications except for a driver tube. The ecc85 is the definitive double triode for the front end stages of fm radio receivers. Tube selection the only stipulations are that the two triodes within the envelope be the same and that the tube conforms to the 9a or 9aj base pinout. The ecc86 is very special high frequency double triode. If you need more info drop me a note offforum, ill be happy to help. Gittervorapannung 939 0673 philips ecc818 vgv 7r031s5 i.
Tubular a s view from underside of base heater vh ih max. Nov 07, 2012 the copper rod version is by far a better tube. At a time when af power transistors were replacing valves but no vhf transistors were available the ecc86 was designed to operate directly from vehicle battery supplies for car radio applications alongside transistors. So is for instance a 6dj8 wich is made in the sixties by philips in the netherlands for an american colleague, exactly the same as their ecc88 sold on the european market. Ecc85 a valvole e tubi a vuoto per tv e articoli audio e video vintage. The 6dj8 is a good tube, its not as long lived as the industrial grade 6922 and 7308. Ecc85 datasheet, cross reference, circuit and application notes in pdf format. It appears to have less distortion than the later tube. Nos tube specification sheet nos tube specification sheet. Eimac power grid tubes quick reference catalog 175 pdf. Vacuum tube 6aq8 ecc85, dual triode antique electronic. The 6f5p triodepentodes are miniature devices enclosed in glass bulb and provided with ninepin base leads and an indirectly heated oxidecoated cathode. Vacuum tube 6aq8 ecc85, dual triode highmu twin triode.
My favourites are still the telefunken types and the large plate philips and siemens types from the 50s. The thin glass tube envelope is 20 mm in diameter and, excluding the b9a. Apr 28, 2012 the russian 6n1pev is a nice tube, good sounding and quite inexpensive too. Vacuum tube 6aq8 ecc85, dual triode amplified parts. Both produce very transparent sound with great air, but in area of musicality copper rod version wins again. Bold designators are close or identical, italic designators are different ratings, different pinouts or different filament voltages. The ecc85 telefunken were installed in my ear 509 monoblocks. Tube ecc 865 or rohre ecc865 id20210, double triode, noval, b9a and rfifstage shown.
The ecc83 is still the most important preamp and driver tube. This content and associated text is in no way sponsored by or affiliated with any company, organization, or realworld good that it may purport to portray. Sep 11, 2014 my personal experience is with the chinese dared mp5 amplifiers which come with 6n1 in the preamp. Ecc896es8 dual triode used as cascode rf amplifier in television tuners and vhf receiver front ends, or as generalpurpose instrumentation dual triode, noval base note. Although not incredibly common, the ecc85 6aq8 tube type can be found in vintage hifi gear by sansui, harmon kardon, and most ear power amps. It was designed specifically for the purpose and released in 1954. Other ecc85 6aq8 tube types other electroharmonix tubes. Watch the hot porn video fucked in front of viewer bukkake for free. Click this button to get the free adobe acrobat reader. The owner told me that the socket next to the power tube is the phase inverter and you should use a 12at7. Assorted nos 6aq8ecc85 highmu radio frequency double triodes intended for use as r.
These amazing tubes are known for their amazing midrange and detailed inner respolution and have some of the highest strength and test results we have seen in any 7308 e188cc tube. Safe tube replacements chart along with recommendations. Assorted nos 6aq8 ecc85 highmu radio frequency double triodes intended for use as r. Franks electron tube data is a great resource for any vacuum tube specs you can download them as pdf files whenever youre ready. A very long plate 12ax7 offering from jj and once again its a beautiful sounding tube. The ecc86 was used as the vhf input stage of car radios. Excellent in citation iii and iiix tuners, musical fidelity xcans, etc. Vintage european and us 12ax7, ecc83, 5751, 7025, cv4004, cv492, and m87 tubes in stock now, fully tested and guaranteed. The ecc85s were made by rohrenwerk neuhaus, germany probably in the 70s. This tube is sometimes called the equivalent for 6dj8ecc88 or 6922e88cc. My favorite one has date code 8t and single support rod. El95 6dl5 ei yugoslavia made for export, no printing. Description the 6f5p triodepentode is designed for operation in vertical sweep units of widely used television receivers.