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In article ,
ocom (Michael Bryant) wrote: From: CommandanteZero Indeed I do! Just proved it a few ago with my old friend Kathy! LOL! The 'ol boy still got it! Damn! Can you document that. Did you tweek her passbands? You are so pitifully juvenile that it's impossible to not laugh. The only thing more hilarious is Tele-Nazi. Though he scares the students. They think you're just funny, Steve! Yeah, I just scare the hell out of people. Yup that's what friends, family and coworkers say about me that I'm just plain scary. No telling what I might do. I'd like to know what I did to earn the "Nazi" part and why I'm sooo... scary to you. If you need to depersonalize the reason through the device of your making like "your students" feel free. Well at least you still have some room in your head for a little humor resting beside that huge imagination. -- Telamon Ventura, California |
In article ,
says... On 9 Apr 2004 20:06:28 -0700, (Gary) wrote: B Banton wrote in message My 800 hums slightly when I turn the light on. Does a sync detector help with that? My battery indicator flashes after about 3 hours of use. Does turning the gain control up have an effect on that? My 800 can't display the letters USB. How would you have me fix that? They doubled up the BATT and Attenuate letters. Do you know that? I can't turn the damn volume knob past 3 before sound distorts. Care to tell me why they included volume control past that point? Even past the half-way point? The 800 is an absolute mess. For anyone to defend it is absolutely incredible IMO. And just another reason why mediocrity is becoming acceptable. Tell Grundig to stuff that unit up their ever loving a**. Regards I'd say you have a defective unit. As far as the display not displaying the letters USB - that was taken directly from the Drake SW8 which also cannot display the letters USB. Some of the early sets, including mine, have a bad adjustment for the battery indicator and it flashes, like you say, after about 3 hours of use. That was corrected on later units, so I understand. The other problems you have seem to be on your set as I do not have those problems with mine. "snip" I've run my Sat 800 (second series) for the last year on a car battery. The supply voltage as listed in the manual is 9 volts, but cast in plastic above the supply input jack is "9-15 volts". The radio is very happy with even a fully charged battery at 13.8 v and will last for *weeks* of my teenager listening to loud rock music between charges. |
On Thu, 15 Apr 2004 11:52:45 -0400, William Mutch
wrote: In article , says... On 9 Apr 2004 20:06:28 -0700, (Gary) wrote: B Banton wrote in message My 800 hums slightly when I turn the light on. Does a sync detector help with that? My battery indicator flashes after about 3 hours of use. Does turning the gain control up have an effect on that? My 800 can't display the letters USB. How would you have me fix that? They doubled up the BATT and Attenuate letters. Do you know that? I can't turn the damn volume knob past 3 before sound distorts. Care to tell me why they included volume control past that point? Even past the half-way point? The 800 is an absolute mess. For anyone to defend it is absolutely incredible IMO. And just another reason why mediocrity is becoming acceptable. Tell Grundig to stuff that unit up their ever loving a**. Regards I'd say you have a defective unit. As far as the display not displaying the letters USB - that was taken directly from the Drake SW8 which also cannot display the letters USB. Some of the early sets, including mine, have a bad adjustment for the battery indicator and it flashes, like you say, after about 3 hours of use. That was corrected on later units, so I understand. The other problems you have seem to be on your set as I do not have those problems with mine. "snip" I've run my Sat 800 (second series) for the last year on a car battery. The supply voltage as listed in the manual is 9 volts, but cast in plastic above the supply input jack is "9-15 volts". The radio is very happy with even a fully charged battery at 13.8 v and will last for *weeks* of my teenager listening to loud rock music between charges. -------------- 9-15 volts; interesting! I bought one of the first available S800s from Sharper Image (Still works like a champ with a very quiet 400' loop, everyday). The plastic on mine, by the input, reads DC 9V. I do run mine on a garden tractor/snowmobile battery but use an RS DC-DC converter to get 9V @900ma output. In addition I keep a 50w solar panel connected to the battery. Maintenance on the whole deal is to add a little distilled water to the battery every couple years and occasionally soap/rinse spray the solar panel on the roof. Was tempted at first to chance running the receiver straight off the 12V too, but opted to be gentle on the components. Any comment out there on detrimental effects of higher voltage use? Or, what's best for the radio. Great radios ain't they? bball Sat800, 400' loop @15' height, AD Sloper (not as good), MFJ 959B for good matching, switching, occ amplification. |
wrote:
On Thu, 15 Apr 2004 11:52:45 -0400, William Mutch wrote: In article , says... I've run my Sat 800 (second series) for the last year on a car battery. The supply voltage as listed in the manual is 9 volts, but cast in plastic above the supply input jack is "9-15 volts". The radio is very happy with even a fully charged battery at 13.8 v and will last for *weeks* of my teenager listening to loud rock music between charges. -------------- 9-15 volts; interesting! I bought one of the first available S800s from Sharper Image (Still works like a champ with a very quiet 400' loop, everyday). The plastic on mine, by the input, reads DC 9V. I do run mine on a garden tractor/snowmobile battery but use an RS DC-DC converter to get 9V @900ma output. In addition I keep a 50w solar panel connected to the battery. Maintenance on the whole deal is to add a little distilled water to the battery every couple years and occasionally soap/rinse spray the solar panel on the roof. Was tempted at first to chance running the receiver straight off the 12V too, but opted to be gentle on the components. Any comment out there on detrimental effects of higher voltage use? Or, what's best for the radio. The only componant(s) that would experience the higher voltage would be the main voltage regulator which is apparently designed to handle an input voltage of up to 15-V. The '800' actually has an internal DC to DC converter which steps up the nominal 9-V input voltage to 15-V for certain circuits that need a higher voltage. There must be something in the owner's manual regarding the maximum input voltage. Now you have me wondering if my Drake-SW8, which was the prototype for the '800', could be run on 12-V instead of 9-V. I'll have to check the manual and schematic. -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- |
On Sat, 17 Apr 2004 01:24:02 -0400, starman wrote:
------- clip The only componant(s) that would experience the higher voltage would be the main voltage regulator which is apparently designed to handle an input voltage of up to 15-V. The '800' actually has an internal DC to DC converter which steps up the nominal 9-V input voltage to 15-V for certain circuits that need a higher voltage. There must be something in the owner's manual regarding the maximum input voltage. Now you have me wondering if my Drake-SW8, which was the prototype for the '800', could be run on 12-V instead of 9-V. I'll have to check the manual and schematic. A practical implication here is that if one desired to use the huge S800 as a portable, a practical power supply might be a long, slim 12V gell cell/SLA battery to fit in the battery compartment. Two 6V 1.3A (3-3/4x2x1") gell cells will almost fit in there after removing the receiver terminals. I'll experiment on playtime but suspect only about 4-5 hours on the series gell cells. Otherwise, it's not that difficult to saw a hole in the battery compartment and put a larger gell cell in there. Please check SW8 power and let us know if you think 12V may be allright. bball |
wrote:
On Sat, 17 Apr 2004 01:24:02 -0400, starman wrote: ------- clip The only componant(s) that would experience the higher voltage would be the main voltage regulator which is apparently designed to handle an input voltage of up to 15-V. The '800' actually has an internal DC to DC converter which steps up the nominal 9-V input voltage to 15-V for certain circuits that need a higher voltage. There must be something in the owner's manual regarding the maximum input voltage. Now you have me wondering if my Drake-SW8, which was the prototype for the '800', could be run on 12-V instead of 9-V. I'll have to check the manual and schematic. A practical implication here is that if one desired to use the huge S800 as a portable, a practical power supply might be a long, slim 12V gell cell/SLA battery to fit in the battery compartment. Two 6V 1.3A (3-3/4x2x1") gell cells will almost fit in there after removing the receiver terminals. I'll experiment on playtime but suspect only about 4-5 hours on the series gell cells. Otherwise, it's not that difficult to saw a hole in the battery compartment and put a larger gell cell in there. Please check SW8 power and let us know if you think 12V may be allright. bball You wouldn't have to use the battery compartment. There's enough room inside the '800' case, on the speaker end, for a 12-V rechargeable battery. The SW8 manual says the power supply voltage should be in the range of 7-10 volts. I gave the schematic a cursory look. The nominal 9-V power input doesn't seem to pass through a common voltage regulator before branching out to other voltage regulators or unregulated circuits. If this is the case, it would require installing a primary voltage regulator so it could handle a 12-V input. That wouldn't be difficult using a three pin IC regulator which was set to operate at 9-V but the power loss in that regulator would decrease the operating time for an external 12-V battery. I'll study the schematic some more to see what the options may be. Someone said the '800' has writing on the rear of the case that indicates it can handle up to 15-V input. I have a JPG copy of the '800' schematic so I'll check it out too. -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- |
I still like C.Crane's NiMH "D" cells. 6 fully charged ones give 30-40
hours of play time. I had my battery meter adjusted to work with 1.2V batteries instead of 1.5V so I don't see the blinking "BATT" indicator, but the indicator has no effect on the run-time. With these batteries, no modification to the radio is necessary. Lawrence wrote in message . .. On Sat, 17 Apr 2004 01:24:02 -0400, starman wrote: ------- clip The only componant(s) that would experience the higher voltage would be the main voltage regulator which is apparently designed to handle an input voltage of up to 15-V. The '800' actually has an internal DC to DC converter which steps up the nominal 9-V input voltage to 15-V for certain circuits that need a higher voltage. There must be something in the owner's manual regarding the maximum input voltage. Now you have me wondering if my Drake-SW8, which was the prototype for the '800', could be run on 12-V instead of 9-V. I'll have to check the manual and schematic. A practical implication here is that if one desired to use the huge S800 as a portable, a practical power supply might be a long, slim 12V gell cell/SLA battery to fit in the battery compartment. Two 6V 1.3A (3-3/4x2x1") gell cells will almost fit in there after removing the receiver terminals. I'll experiment on playtime but suspect only about 4-5 hours on the series gell cells. Otherwise, it's not that difficult to saw a hole in the battery compartment and put a larger gell cell in there. Please check SW8 power and let us know if you think 12V may be allright. bball |
In article ,
"craigm" wrote: "starman" wrote in message ... Someone said the '800' has writing on the rear of the case that indicates it can handle up to 15-V input. I have a JPG copy of the '800' schematic so I'll check it out too. My Sat 800 says 9V on the back. The manual says 9V also. When you look at the schematic you will find the input DC is routed several places and not all of them lead to a regulator. My position would be to only use a 9 volt supply. Why risk damaging the radio by providing more than it can use? Linear switching regulators are lossy and will dissipate more heat the higher the input voltage relative to the output voltage. It might get to hot and fail after a while. You only need to be slightly higher than the minimum drop across the regulator plus the output voltage. There is no advantage being any higher. -- Telamon Ventura, California |
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