Polk sda replacement cord?
- Thread starter Audi0
- Start date
Before you go any further I suggest using a Ohm meter to ID your amplifier.
Simple, meter set to RX1 and test seeing if the ground is common to both channels. Shows a short if common.
Power off unplugged......
F1nut
Super Member
I always be under the impression they could kill an amplifier.
By dipping to very low impedance when driven.
Requiring a amplifier able to handle the load.
Plus something about connecting the two channels together and placement steered me away from the model.
Love my 12B's still to this day!
By dipping to very low impedance when driven.
Requiring a amplifier able to handle the load.
Plus something about connecting the two channels together and placement steered me away from the model.
Love my 12B's still to this day!
Nemo bit
Active Member
Still should be hook up correctly as to signal only 1 wire carries signal on any speaker supply wire 1 being ground.
F1nut
Super Member
You're not getting it. The correct way is the pin only.
F1nut
Super Member
You have the wrong impression. Most SDA's are 6 ohm nominal. If I recall correctly, so are your 12B's.
Just anecdotal evidence on my part and hearsay. Having never owned a pair for more then a quick flip.
Last week just so happened at the Parts Express event, a owner of a pair was mentioning the dip to under 3Ω on his pair when tested.
No way of knowing if the 12B's do also as to never testing them.
Audi0
Super Member
Going with more of a budget build. Comes down to speaker are worth x amount. Going to use solen on the low pass filters and Dayton audio on the high and I get to order some Dayton audio caps to redue my sound dynamics with the aluminium horn. For less then $100 all in shipped.
Spending that kind of money is getting silly in my book. It would be worth it if the speakers are worth $1000 plus.
Spending that kind of money is getting silly in my book. It would be worth it if the speakers are worth $1000 plus.
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darkblue94
The Devil made me do it.
Being pennywise in situations as this will only result in minimal gains, spending more on the parts that make a significant difference is the wisest path to follow as it reaps the greatest rewards.
7whales7
Addicted Member
I have a Home made pin interconnect cable for my SDA 1c's it works fine using the RCA cable route F1 suggested. If I remember D.Shirley advise me on the making of the cable. Most amps are common ground, from my experience stay away from certain Carver amps.
Audi0
Super Member
I'm going to shave a rca cord down for the pin connection. Not going to need a special polk cord as I thought I did. Although having a authentic cord would be nice.
I understand now about common ground amps only after looking into it. Having the cord plugged in is the same as putting a wire from left neg terminal to right neg terminal creating a short on some amps.
I understand now about common ground amps only after looking into it. Having the cord plugged in is the same as putting a wire from left neg terminal to right neg terminal creating a short on some amps.
