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Transformer - Output, 8 W, 4kΩ - 9kΩ impedance
| Specifications | |
|---|---|
| Output | 8 W |
| Primary Impedance | 4,000 to 9,000 Ω |
| Mounting Centers | 2.375" |
| Weight | 0.7 lbs |
Specification:
Wiring Diagram:
| Item Height | 1.643 in. | |
| Item Length | 2.797 in. | |
| Item Width | 1.445 in. | |
| Mounting Hole Center to Center A | 2.4 in. | |
| Mounting Hole Diameter | 0.18 in. | |
| Output | 8 W | |
| Primary Impedance | 4k Ω - 9 kΩ |
| Packaging Dimensions | 2.8 in. × 1.8 in. × 1.8 in. | |
| Weight (Packaging) | 0.647 lbs. |
 Wiring Diagram | All Models |
| Specification | All Models |
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Questions and Answers
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1 answers
What is the max current on the primary?
Asked by Anonymous on February 7th, 2016.
February 9th, 2016
Staff MemberTop Contributor
It doesn't appear as though we have that spec available for this transformer in particular. Both Hammond 8 Watt versions 125C and 125CSE have a max DC bias of 60 mA. Someone might consider that rating as a ball park reference for similar transformers, but you may want to consider the Hammond's instead of P-T291 if you need a guarantee on the rating.
1 answers
Will this work on my phico 87 with push-pull 45's?
Asked by Anonymous on June 29th, 2017.
Unfortunately we are not techs and can not advise you on this inquiry. I would try to get the specs on the transformer in your Philco and compare them with this transformer.
1 answers
Are you able to provide me with the primary side DC resistance, (not impedance) I would like to know what that resistance measures from the centre tap to each side.
Thanks
Asked by Anonymous on September 29th, 2017.
Unfortunately we do not have the DC resistance available on this transformer.
1 answers
I'm somewhat of a newbie at this and want to know if this output transformer would work in a Truetone/western auto supply-- D711. Thanks
Asked by Anonymous on November 15th, 2017.
Unfortunately we are not amp techs and do not know if this is compatible with a D711. You may want to contact a tech for compatability.
1 answers
I am looking for an output transformer for an old zenith stereo console. The numbers on it are 95-1660AF and 172-6046 It's 10 volts.
Asked by Anonymous on November 15th, 2017.
We are not techs and do not know if this is compatible with your stereo. You may want to contact a tech or radio repair man for compatability.
1 answers
Will p-t291 work with El84?
Asked by Anonymous on December 28th, 2017.
We are not amp techs and do not know if this will work with the EL84.
1 answers
I'm looking for an output transformer for an Admiral 195 11S. Hopes this will work.
Asked by Anonymous on December 28th, 2017.
Unfortunately we do not know if this will work with an Admiral 195 11S.
1 answers
Hello everyone i have an old zenith stereo console model number 2535R. I sm told it needs an output transformer.one channel is not working. No sound in the other speake. I dont knoe much about electronic. Can anyone out there tell me what tranformer i can use and where i might find one. Thank you
Asked by Anonymous on April 12th, 2018.
We do not have any references on the transformer for this Zenith and do not know if P-T291 will work.
1 answers
Is the brown wire center tap for primary? No drawing shown for the primary side; rather 2 drawings for secondary connections! Thanks!
Asked by Anonymous on August 31st, 2018.
August 31st, 2018
Staff Member
On this transformer, the red wire is the center tap.
1 answers
Will this work in a single ended guitar amp, design calls for 4k primary and 8 ohm secondary. The tube complement is 1 12at7 and a single el84/6bq5.
Asked by Anonymous on August 1st, 2019.
August 1st, 2019
Staff Member
It may work, but the P-T31 sounds like it may be a better fit for your application. https://www.amplifiedparts.com/products/transformer-output-8-w-single-ended
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