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Coil - Miniature adjustable coil, 70, oscillator
Coil is similar to Miller number 70-OSC oscillator coil. Their small physical size and the fact that they can be adjusted to the inductance required make these coils ideally suited for replacement in broadcast band receivers. The 70 Oscillator coil has a primary and a tapped secondary. These coils are for use in all common padded and unpadded oscillator circuits.
For the R.F. stage coil see P-C70-RF
Spec Sheet:
| Frequency Range | 540 - 1,600 KC | |
| Resistance (lug 1 to 2) | 5 Ω | |
| Resistance (lug 1 to 3) | 6.2 Ω | |
| Resistance (lug 4 to 5) | 2.5 Ω |
| Packaging Dimensions | 3.3 in. × 1 in. × 1 in. | |
| Weight (Packaging) | 0.02 lbs. |
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Questions and Answers
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1 answers
Which coil is similar to "Miller 5481-k"?
Asked by Anonymous on October 19th, 2016. 1 person subscribed to this question
This is the only oscillator coil we carry. It is based on the Miller 70-OSC.
1 answers
Can the 70-osc coil replace a 71-osc coil?
Asked by Anonymous on October 19th, 2016. 1 person subscribed to this question
Please refer to the spec sheet pictured in this listing to determine compatibility with your existing coil.
1 answers
What were small vintage National Radio coils marked as B1, D2, B2 having 4 pins used for. They are small & in clear plastic shell ? Look like for UHF . Thanks, Rich
Asked by Anonymous on October 19th, 2016. 1 person subscribed to this question
To be honest we wouldn't really have the spec information for coils in house. Tubes we can tackle but in terms of coils the only one we carry is the 70 OSC.
1 answers
I'm in need of a 5 lug coil, the IF=456 on mine this is for a D-726 Truetone. The old coil has no ID number.
Asked by Anonymous on October 19th, 2016. 1 person subscribed to this question
This is a 5 lug coil with a I.F. of 455 kc. It will work in an application that calls for these specifications.
1 answers
I would like to make this coil p-c70 as an am band oscillator using 2n3904 transistor but so far to no avail. It would not oscillate. I tried various ways.Is there a circuit I can try. Rick
Asked by Anonymous on December 1st, 2016. 1 person subscribed to this question
Thank you for your inquiry. We are not techs here at Antique Electronic Supply and with that in mind; we can not offer you technical advice. I would post your question on one of the antique radio forums. Someone there should be able to help you figure this out.
1 answers
What is the allen key size is required to adjust this coil?
Asked by Anonymous on February 16th, 2017. 1 person subscribed to this question
You will need tool # 9440 from our Alignment Kit. Do a search for SKU: S-T18-530.
1 answers
Do you have a coil to produce 50 to 60 kHz with an el 84 valve?
Asked by Anonymous on November 11th, 2018. 1 person subscribed to this question
November 14th, 2018
Staff MemberThis, along with the P-C70-RF and the P-C70-A, are the only coils we carry at this time.
1 answers
I need an oscillator coil for a low shortwave band from 2 to 7 MHz. Is it possible to modify the P-C70 by replacing the slug with one that's the same width but shorter? Would such a slug supply the required inductance and capacitance?
Asked by Anonymous on December 6th, 2018. 1 person subscribed to this question
December 6th, 2018
Staff MemberWe are not able to comment on the effects of modifying this item. You will need to consult a tech to verify this will work the way you need it to.
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