AT WHAT NUMBER DID THE SCOTT 800B USE A PM SPEAKER - EH Scott Radio Enthusiasts2024-03-29T11:52:41Zhttps://ehscott.ning.com/forum/topics/at-what-number-did-the-scott-800b-use-a-pm-speaker?feed=yes&xn_auth=nodo you know at what number di…tag:ehscott.ning.com,2015-10-25:3925821:Comment:494002015-10-25T17:35:49.126Zjohn staffordhttps://ehscott.ning.com/profile/johnstafford
<p>do you know at what number did the start useing the pm speaker</p>
<p>john</p>
<p>do you know at what number did the start useing the pm speaker</p>
<p>john</p> John - One just sold on ebay…tag:ehscott.ning.com,2015-10-25:3925821:Comment:495842015-10-25T02:36:49.987ZDavid C. Polandhttps://ehscott.ning.com/profile/DavidCPoland
<p>John - One just sold on ebay. see <span style="font-size: 13px;">252129990358</span></p>
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<p><span style="font-size: 13px;">The usual 15 inch Jensen for the 800B is the </span>characteristic grey/blue color. Has a tweeter suspended inside the big 15 inch cone making it a coaxial. The early version big speaker has a field coil.The later looks just like it and but has a permanent magnet with a 600 or so ohm power resistor in place of the field coil and is backwards compatible -…</p>
<p>John - One just sold on ebay. see <span style="font-size: 13px;">252129990358</span></p>
<p></p>
<p><span style="font-size: 13px;">The usual 15 inch Jensen for the 800B is the </span>characteristic grey/blue color. Has a tweeter suspended inside the big 15 inch cone making it a coaxial. The early version big speaker has a field coil.The later looks just like it and but has a permanent magnet with a 600 or so ohm power resistor in place of the field coil and is backwards compatible - either version is suitable for an 800B. Note that the jones plug has a pin through (an interlock) of the ac in route to the main power switch relay - so the speaker is necessary to power up the radio. The early field coil version has a metal bell cover, while the PM version has a plastic cover the same color. The tweeter circuit is separate and functions in FM only - and maybe on phono as I recall.</p>
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