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#1
Posted to alt.binaries.schematics.electronic




`Understanding nomenclenture
Thie is from http://www.techlib.com/Karen.htm#Humnuller
I don't understand the r=RL under the inductor. Then the resistor after the inductor says 12RRL (Typ. 5R). I don't see where they get r, so I don't know what RL is. Could someone clue me in? Thanks, Mike 
#2
Posted to alt.binaries.schematics.electronic




`Understanding nomenclenture
In article ,
"amdx" wrote: Thie is from http://www.techlib.com/Karen.htm#Humnuller I don't understand the r=RL under the inductor. Then the resistor after the inductor says 12RRL (Typ. 5R). I don't see where they get r, so I don't know what RL is. Could someone clue me in? The resistance of the inductor. Mind you, I don't think much of the style of this thing (is 7R2 a name, or a value or both?  what a mishmash of confusion  especially since there are two with the same name, if its supposed to be a name!) Confusing names (or are those values) aside, the intent in the limited area of the question you ask seems to be to have that segment have a resistance of 12 (ohms, I guess), so the resistor is chosen to add to the resistive part of the inductor to achieve that. Smells like some type of phoolishness, frankly. Headphones don't need processing...  Cats, coffee, chocolate...vices to live by 
#3
Posted to alt.binaries.schematics.electronic




`Understanding nomenclenture
"amdx" wrote in message ... Thie is from http://www.techlib.com/Karen.htm#Humnuller I don't understand the r=RL under the inductor. Then the resistor after the inductor says 12RRL (Typ. 5R). That means 12 ohms minus the resistance of the coils which is typically 5 ohms. 
#4
Posted to alt.binaries.schematics.electronic




`Understanding nomenclenture
So, The dc resistance of the inductor = r = RL.
Then the resistor in series with the inductor is 12 ohms  the dc resistance of the inductor, or 12  r = the resistance of the resistor in series with the inductor. I got there, but the schematic is poorly written. Thanks, Mike PS. The site has some neat things on it. "amdx" wrote in message ... Thie is from http://www.techlib.com/Karen.htm#Humnuller I don't understand the r=RL under the inductor. Then the resistor after the inductor says 12RRL (Typ. 5R). I don't see where they get r, so I don't know what RL is. Could someone clue me in? Thanks, Mike 
#5
Posted to alt.binaries.schematics.electronic




`Understanding nomenclenture
amdx wrote:
Thie is from http://www.techlib.com/Karen.htm#Humnuller I don't understand the r=RL under the inductor. Resistance of inductor called RL Then the resistor after the inductor says 12RRL When R appears in a number, it is a decimal point. So this means 12.0 ohms  resistance of inductor. (Typ. 5R). Typically 5.0 ohms. Input resistance (load on driving amplifier) is about 6.5 ohms. 7.2 ohms goes direct from amplifier to 16 ohm phone. 27 ohm is connected cross channel. 
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