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| Vintage Test Gear and Workshop Equipment For discussions about vintage test gear and workshop equipment such as coil winders. |
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20th Oct 2015, 1:10 pm
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#1 |
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Octode
Join Date: Aug 2008
Location: Rotherham, South Yorkshire, UK.
Posts: 1,724
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Do you recognise this?
Looks like an early signal generator. No manufacturer marked anywhere but has a stencilled "Made in Holland" on the bottom. Any details especially a circuit most welcome. Yes, that is a R1155 tuning dial! The valves are 4v and look from an earlier period.
Sorry for the quality of the photos, only had my phone handy. Many thanks, Peter Last edited by Reelman; 20th Oct 2015 at 1:24 pm. Reason: added a bit more info |
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26th Oct 2015, 11:37 pm
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#2 |
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Octode
Join Date: Jul 2004
Location: Evesham, Worcestershire, UK.
Posts: 1,423
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Re: Do you recognise this?
Looks distinctly of philips manufacturer, maybe a some piece of kit knocked up by themselves for a special purpose that's escaped the factory.
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27th Oct 2015, 12:17 am
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#3 |
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Octode
Join Date: Aug 2008
Location: Rotherham, South Yorkshire, UK.
Posts: 1,724
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Re: Do you recognise this?
Yes, it certainly has a Philips "feel" about it. I presume that the R1155 dial is a later addition.
Cheers, Peter |
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27th Oct 2015, 2:33 pm
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#4 |
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Hexode
Join Date: Apr 2007
Location: Wiesbaden, Germany
Posts: 333
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Re: Do you recognise this?
Hi Reelman,
it's a Philips GM2880 - Service Oszillator from 1935 Versions in black and blue Tubes 3 x E409, 1 x 1823 Freq range 100 kHz - 21.5 MHz (14-3000m) Bands: 100 - 333 kHz 900 - 3000 m 215 - 680 kHz 440 - 1400 m 545 - 1300 kHz 200 - 550 m 1400 - 4300 kHz 70 - 215 m 4000 - 12.0 MHz 25 - 75 m 11.5 - 21.5 MHz 14 - 26 m Modulation: 400 Hz Manual at BAMA availible Peter |
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10th Dec 2015, 12:55 am
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#5 |
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Octode
Join Date: Aug 2008
Location: Rotherham, South Yorkshire, UK.
Posts: 1,724
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Re: Do you recognise this?
Hi Chaparal,
Sorry, only just seen your reply. Many thanks for the information, very useful indeed! Best regards, Peter |
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10th Dec 2015, 1:39 am
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#6 |
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Banned
Join Date: Dec 2013
Location: Middlewich, Cheshire, UK. & Winter in the Philippines.
Posts: 3,897
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Re: Do you recognise this?
What a great forum.
Ask a question and soon chapter and verse reply appears, brilliant. |
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10th Dec 2015, 10:46 am
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#7 | |
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Rest in Peace
Join Date: May 2003
Location: Harlaxton, Lincolnshire, UK.
Posts: 3,944
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Re: Do you recognise this?
Quote:
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10th Dec 2015, 9:11 pm
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#8 |
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Hexode
Join Date: Apr 2007
Location: Wiesbaden, Germany
Posts: 333
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Re: Do you recognise this?
Frank's version is from 1937,
this is the 1935 Service Manual (in Dutch  ) Peter |
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10th Dec 2015, 9:51 pm
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#9 |
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Hexode
Join Date: Apr 2007
Location: Wiesbaden, Germany
Posts: 333
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Re: Do you recognise this?
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10th Dec 2015, 11:49 pm
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#10 |
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Octode
Join Date: Aug 2008
Location: Rotherham, South Yorkshire, UK.
Posts: 1,724
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Re: Do you recognise this?
Thanks again all those who replied!
Seems amazing that an obscure signal generator from 1935 has so much available on the 'net. Wouldn't mind the Philips service bench shown in the 2nd picture on here: http://michel.terrier.pagesperso-ora.../genehfold.htm Cheers guys, Peter. |
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11th Dec 2015, 5:32 pm
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#12 | |
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Rest in Peace
Join Date: May 2003
Location: Harlaxton, Lincolnshire, UK.
Posts: 3,944
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Re: Do you recognise this?
Quote:
That is odd, it doesn't appear in the Philips manual list, what am I doing wrong? http://bama.edebris.com/manuals/philips/ |
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11th Dec 2015, 6:38 pm
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#13 |
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Heptode
Join Date: Jun 2010
Location: Zurich, Switzerland
Posts: 538
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Re: Do you recognise this?
Hallo Peter,
It`s in Archive, please recognise the address writing: http://bama.edebris.com/manuals/philips/Philips , than write in: "2880" and see the resultat = "philips gm2880gb - Bama Boatanchor Manuals Archive - Edebris.com" _not so simple, but does... Karl |
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