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Old 12th September 2002, 09:37 PM   #1
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Default Phillps Tube Data

Does anyone have access to a 'Phillips Tube Electronic Tube Handbook', mid 60's or later. Or a 'Phillips Data Handbook' when it still contained tube data.

I'm trying to get filament voltage and current for the following tubes -
PCC189
XCC189
LCC189
YCC189


I've gotten data from a VadeMecum which seems to be in conflict with the Phillips data, so I'm attepting to get data from an original source.

Thanks in advance,
Paul
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Old 12th September 2002, 09:47 PM   #2
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http://home.planet.nl/~frank.philipse/frank/frank.html

Look nowhere else. I have the books, but still I use Frank's pages more often, they're just handier.

Remco
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Old 12th September 2002, 10:03 PM   #3
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Default Tubes

Hei pmkap!

Quoting my philips 1967 pocket book

PCC189-7.6 V -0,3 Amp

XCC189-4.5 V -0,6 Amp

The other two i d'ont find any data.

Regards

Jorge Santos
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Old 12th September 2002, 10:46 PM   #4
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Default Them pesky 189s

Tube Dude,

Many thanks, its what I also got from some downloads of Phillips data, but in one case, the XCC189 is in agreement with a Vademecum, and in the other, the PCC189, Phillips gives 7.6volts while the VM and some other sources gives 7.2... As most of these tubes are manufactured by Phillips, should I assume the Phillips voltage is the correct one?

Ultra,

Indeed, that is where I got the original data. A great site. It wouldn't be a big concern, but I've worked out a scheme to support both (actually appropriated from Tube Cad)
http://www.tubecad.com/july2000/page7.html
but using AC heaters to support 2 (or more) filament voltages with no changes, using a higher voltage, dropping resistor, and some high school algebra. With the discrepancy in filament voltage, I could end up with an overvoltage, and resulting shortened tube life if I use the wrong value....


Thanks Gents.

The etch code of the LCC189 is dV, anyone?
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Old 12th September 2002, 10:57 PM   #5
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pmkap

I have found another book

Mullard Valve Tube guide and it also quote the PCC189-7,6 V-300mA.

The PCC189 is similar to the ECC189 (except the heater rating).

Bye!

Jorge santos
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Old 13th September 2002, 07:52 AM   #6
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Default ECC189

Hello Paul,

Still fighting those ECC189 ?

U I
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ECC89 6.3 0.365 ~624
PCC89 7.2 0.3 ~624
XCC89 4.5 0.6 ~624
YCC89 5.2 0.45 ~624
ECC189 6.3 0.365 #624
PCC189 7.2 0.3 #624
UCC189 21 0.1 #624
XCC189 4.5 0.6 #624
YCC189 5.2 0.45 #624

:
ECC89 = 6FC7
ECC189 = 6ES8

These data were culled from a Russian site.Note again the wrong heater voltage for the PCC189 (although it might be correct for the Russian ~ equivalent ?)
The Brimar and Philips books I have all state 7.6V @ 0.300A
I get a feeling the 7.2V stated is wrongly derived from the Russian
PCC89 ~ equivalent.But we've been there already remember ?

Best rgds,
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Old 13th September 2002, 10:12 AM   #7
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Every 'P' type tube has a 300mA heater. That's the defining characteristic. It may well be that different tubes, even of the same type, develop different voltages at this current due to resistance differences. Best use a current regulator to put exactly 300mA on the heater and see what voltage comes out.

BTW, the 'U' types work in the same fashion, except they expect 100mA on their heaters.

Remco
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Old 13th September 2002, 03:38 PM   #8
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Default ECC189

Remco,

Thks for reminding us.Amazing how rusty things get when not used regularly.
I assume this may also explain why some have 7.2 V and others 7.6 ?

Paul,

I suppose a voltage + current reg are required?
Keep us informed,it may well help others too.

Rgds,
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Old 13th September 2002, 04:02 PM   #9
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Default Thanks everyone....

Gents,

The point about using current regulation is a good one. If one is going to use dc on the filaments, many say that current regulation is prefferable to voltages regualtion. But the point of my inquiry an attempt to implemet ac heating on a 'universal', inexpensive basis, i.e. with tubes that are not in current production, it would be nice to be able to plug in tubes of differing heater requirements, but same characteristics, and have it function properly. This can be done with a the proper ac voltage and a dropping resistor -
For example, a 12v ac secondary windiing with a 16 ohm dropping resistor would give the folling % of power consumption vs specified filament consumption on the various ?CC189/?ES8s -

Type, fVoltage, fCurrent, fPwr, fPwr%

YCC189, 5.03, 435, 2.19, 93.65%
5ES8, 5.25, 422, 2.21, 87.89%
6ES8/ECC189, 6.23, 361, 2.25, 97.71%
7ES8/PCC189, 7.20, 300, 2.16 , 100.00%
PCC189(Phlps),7.35 , 290, 2.14, 93.65%

So if one seeks to run their tubes with a 5% undervoltage, corresponding to a 93.65% power consumption on the filaments, you can support, with no changes, a YCC189. 6ES8/ECC189, a 7ES8, and a Phillips specified PCC189, with no changes. Like current regulation, this only works for a single ac winding per filament.

A Russian site, guitar.ru indeed has that 7.2 voltage spec, as does my page from the VadeMecum. When these tv tuner cascode tubes were produced, 1963+, I believe Phillips was the 'big dog' on the block, essentially controlling, Mullard, Brimar, ... So as Phillips went so went the world.

Thanks all
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