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Connecting line level powered subwoofer to vintage Sansui?

G

GreenCoast71

New Member
My latest bone-headed move....

Picked up a new Klipsch subwoofer with the intent of pairing with some bookshelf speakers to connect with a Sansui 505. Problem is, the subwoofer only has one L/R RCA connection with no speaker in/outs. Obviously I should have looked at that closer before purchasing!

So my question is: would a line level converter, connected to the Sansui speaker B, get me to where I need to be, playing speakers A and B together? Or am I better off getting rid of the sub and finding one with speaker in/out?
 
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GreenCoast71 said:
My latest bone-headed move....

Picked up a new Klipsch subwoofer with the intent of pairing with some bookshelf speakers to connect with a Sansui 505. Problem is, the subwoofer only has one L/R RCA connection with no speaker in/outs. Obviously I should have looked at that closer before purchasing!

So my question is: would a line level converter, connected to the Sansui speaker B, get me to where I need to be, playing speakers A and B together? Or am I better off getting rid of the sub and finding one with speaker in/out?
Click to expand...
Go in through the headphone to the sub in u can split it if u want two signals.
 
Paul W Henry said:
One thing buy good cables and the reducer to go in the headphone jack ..If u dont u will get ground loop hum but a couple more bucks on this will work i run my old amp the same way and it does well
Click to expand...

Which cable would you recommend? So you run a splitter from the headphone jack directly into a powered sub? Just want to make sure I'm following
 
I'm nervous giving advice since it's been so long since I've used a receiver with a tape deck, but I think that's how it works.
Maybe someone can back me up? Oh wait, never mind. I think the tape out would not increase with the volume so it wouldn't work.
See, that's why I stick to automotive repair advice.
 
thesteve said:
I'm nervous giving advice since it's been so long since I've used a receiver with a tape deck, but I think that's how it works.
Maybe someone can back me up? Oh wait, never mind. I think the tape out would not increase with the volume so it wouldn't work.
See, that's why I stick to automotive repair advice.
Click to expand...

LOL..., Thanks!
 
thesteve said:
That would work. Are you using the Tape Out?
BTW I have an old QRX-5500.
Click to expand...
If u go by the 1/4 to 1/8h stereo or if they have the full size i buy that i made mine. But if u go headphones to sub in and like i said if u want to get a one way to two way connector monster cable has one that works. U don't have to go into tape or tape monitor. You just turn on your A speakers or whatever u use. Turn the volume up a little and adjust the sub volume, it will rise and fall with your volume knob. If u try and run it through tape in your going to get whatever the sub is set at no matter the volume is doing. These seem to run better without loudness button or bass or treble Flat. I hope this helped
 
the skipper said:
Keep it simple. Use a speaker to line level converter

https://www.amazon.com/Kicker-KISLOC-2-Channel-Speaker-Converter/dp/B00I4EF1BC/ref=sr_1_4?crid=1UWE6GHCEO4DL&keywords=speaker+to+line+level+converter&qid=1638054787&qsid=145-6834564-6195839&s=electronics&sprefix=speaker+to,aps,207&sr=1-4&sres=B00009UHRE,B00I4EF1BC,B000ES9QNA,B07C723VT4,B00F0YCK0E,B00YEU8T96,B07GGWRCK8,B07QNPCK8Z,B009VTDVMU,B07TX3CFBL,B0743B4BY5,B000P0UE38,B000BFL52Q,B0045F1F0U,B005GMRVY0,B07KFG5NTZ,B07BBM1M5Z,B07PV1BMGF,B01KYHD5SC,B00LIAHSM4

Go to Amazon, select electronics and type in "speaker to line level converter" you'll find a plethora of items there and virtually any will solve your problem
Click to expand...

"Simple" is precisely what I am after!

Do I need a converter that alters the signal at all?

Thanks!
 
the skipper said:
As far as I know, aside from cutting the signal level down to line level, there is no other alteration of the signal
Click to expand...

Got it, thanks!

Out of curiosity, for amps of similar vintage, but may have only a single set of speaker terminals, would one be able to connect both main L/R as well as the speaker/line level converter to the same posts? So two sets of wires per post?
 
without that converter I would say yes, without a doubt. you could connect a powered sub at speaker level to an amp.

A powered sub presents a high impedance to the amp

The key issue here is the impedance presented to the amp. any info on what the converter presents to the amp would be helpful,

...or, you could measure it with an ohmmeter to get a ballpark figure. the higher number, the better.

As a guess, I would assume it would be fine with the converter as I would hope it presents a high impedance to the anp.
 
the skipper said:
without that converter I would say yes, without a doubt. you could connect a powered sub at speaker level to an amp.

A powered sub presents a high impedance to the amp

The key issue here is the impedance presented to the amp. any info on what the converter presents to the amp would be helpful,

...or, you could measure it with an ohmmeter to get a ballpark figure. the higher number, the better.

As a guess, I would assume it would be fine with the converter as I would hope it presents a high impedance to the anp.
Click to expand...

Sure, I follow. Thanks again for weighing in
 
Paul W Henry said:
If u go by the 1/4 to 1/8h stereo or if they have the full size i buy that i made mine. But if u go headphones to sub in and like i said if u want to get a one way to two way connector monster cable has one that works. U don't have to go into tape or tape monitor. You just turn on your A speakers or whatever u use. Turn the volume up a little and adjust the sub volume, it will rise and fall with your volume knob. If u try and run it through tape in your going to get whatever the sub is set at no matter the volume is doing. These seem to run better without loudness button or bass or treble Flat. I hope this helped
Click to expand...

Yes, very helpful & interesting! To be honest, never heard of the headphone jack as a possible connection. I'm intrigued and plan to test that approach out
 
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