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Scott Morale Radio question
Started this discussion. Last reply by Dennis Kunkle Dec 23, 2010. 5 Replies 0 Likes
I was just searching eBay and saw the usual advertisements from 1943 National Geographic magazines for the Scott SLR radio. I thought that this radio was the ship-board Morale Radio. But then I see a…Continue
Scott SLR Navy model number question
Started this discussion. Last reply by Mal Fuller Dec 25, 2010. 12 Replies 0 Likes
I have an SLR-12-B that I'd like to restore. (I've already restored an Export) What does the letter B signify? The schematic at NA is for an A. Continue
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Here are the details on a Hammond Transformer which is carried by Antique Electronic supply and which will do a fine job if matching your SLR-12B to a normal 8 ohm speaker. We used one with our SLR-12B
$26.20
Qty
P-T119DA
Catalog Page 37
Transformer - Audio Interstage, Hammond, 12 Watt
Developed in response to requests from the "Collins Collectors Association" , this is a matching audio transformer for older equipment with 600 ohm audio output, driving modern speakers.
Or for "classic" high impedance speakers used with newer equipment, simply swap primary for secondary (ie...4 or 8 ohm input and 600 ohms out).
Key Features Isolation unit: (i.e. seperate primary and secondary)
Primary: 600 Ohm (with 6" wire leads)
Secondary: 8 Ohm with 4 Ohm center tap (with solder lugs)
Power: Rated at 12 watts
Frequency Response: 30 Hz - 20 kHz
Weight: 1.3 lbs.
Mounting: 2 hole u-bracket mount - on 2-3/16" mounting centers.
RoHS Compliant
The electrolytics get hot when they're old & leaky and infrequently will explode. They can be very damaging to other components such as the power transformer, if they short. Most collectors leave the originals disconnected but in their original place and and connect new ones (which are much smaller) under the chassis. Some cut the original cans open and re stuff them with new innards to preserve the original appearance both above and under the chassis. I generally view this as anal behavior, but Scotts are of a higher caliber and maintaining their original appearance is of more value than with run of the mill sets. The bandswitch and controls will no doubt benefit from being sprayed with a good contact cleaner such as Deoxit contact cleaning spray. A good rule is to not do anything that can't be reversed, an example would be drilling new holes in the chassis. The manual should be a great help in diagnosing specific problems.
Mal