Hi Curtis. Just to buttress, if the receivers have output then get a pair of interconnects and pass them from the Preout into the subwoofer. 248 Posts . So, we agreed on the charming combination of a subwoofer and a stereo amplifier. I recently bought an amp and speakers as an upgrade. Because speaker level inputs have a very high input impedance (total input resistance), in most cases it won’t hurt to connect them to your receiver or amp at the same speaker wire terminals where speakers are already connected. My pleasure. Besides, the mid-range frequency sounds are played from the speaker itself. Usually it’s only with full-range sound – and if someone has VERY discerning hearing – that they might be able to tell. In most cases, a subwoofer input jack, if you had one on a receiver, is a “mono” (monaural, 2 stereo channels combined into one) signal you connect with a single RCA cable. Most, but not all, speaker level adapters do not need a power source. Measuring developer … Awesome, isn’t it? I have a sub from a 2.1 system. Otherwise, the sound filtering is radically different and won’t sound right since the speaker load will change how the crossover filters the sound quite a lot. You don’t have to worry if your amp is old, it is still very possible to use your subwoofer with it. Suppose, you connect a subwoofer to an amplifier which is not in good condition. Or safe? You already know that you can use speaker wires to run the receiver to the subwoofer so that the sub acts like a speaker. Almost all stereo receivers and home theater processors have this kind of output. It uses 3 wires to connect to your amplifier and a Neutrik Speakon connector to the subwoofer, oops, Sub-Bass System. Just like an off-the-shelf line level RCA converter I mentioned earlier, the subwoofer’s internal electronics will scale down the speaker signals to a much lower line level signal the internal amp can use. If I pick up a 3 channel power amp, can I devote the 3rd channel to his Fisher sub? This is usually from stereo music signals or the subwoofer (“.1”) channel sound in multi-channel surround sound material such as Dolby Digital or DTS. These types are one of the most common and in many cases use an RCA type input jack to connect to the receiver for sound. I was given another sub (Fisher SW-9050 tower) “with 2 active Bass drivers” according to the label, which just has +/- speaker inputs only. I will eventually just but a new, proper sub but after this initial lay out it may be a while. Stereo receivers, pre-amps, and integrated amplifiers rarely have subwoofer output jacks or offer bass-management options. Similarly, most high-end home stereos require you to connect the speakers to the amplifier manually. Getting back in home audio game. It may be helpful to send me the model numbers of the amp/receiver and the subwoofer so I can see what you’re dealing with. Then, connect these to the Integrated Amplifier, and finally, plug in your speaker wire to the Integrated Amp to achieve sound. Run speaker wires to join the subwoofer to the receiver. So, it is wise to you to check the conditions of the amplifier and the subwoofer before connecting them. You can even power speakers from the amp or receiver at the same time. :) A powered subwoofer does all the work, so there’s no power draw needed from your receiver. You can connect a passive subwoofer to an AV receiver by treating it as a loudspeaker and linking the subwoofer directly to your AV receiver via the speaker connectors. You then connect RCA cables (or a single cable, depending on your particular one) to your powered subwoofer. If you get no sound from it then it’s some other issue. I currently have both left and right connected to the left and right inputs of my subwoofer. I'd love to help everyone find answers to their questions & enjoy good sound. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. It can occur a serious accident. You can still expect very nice sound quality as the signal used is just divided down and isn’t changed. Connecting High Level To A Tube Amplifier The output circuit of most vacuum tube (valve) amplifiers features an output transformer—generally offering multiple impedances. Don’t hook any cables up or do audio connections until you are finished reading this blog post. Example #1 in the diagram shows that (although you don’t have to have L & R speaker inputs – you can use a single speaker channel), Dear Marty, I own an older Marantz with no dedicated sub out, but it has a preamp out, to connect a power amplifier. Sub is a Klipsch R-120SW run by a 1977 Pioneer SX 780, w A +B. This is considered the easiest and the simplest connection since it can work with any amplifier or receiver which comes with a dedicated subwoofer output. Observe that you might desire to put in a few feet of audio cable. :). However, in regular stereo listening mode, they act the same as regular receivers. That’s just something to be aware of in case you’ve considered upgrading at some point. No ins or outs. You have to first check the back of your old amp and look out for a preamp output. Older amplifiers and receivers were not made to be able to feature a subwoofer output and as such you might need to connect to the subwoofer using other methods.Recent subwoofers (home theater receivers especially), however, usually come with one or more subwoofer output jacks.HOw To Connect A Subwoofer To An Old Amplifier The Ultimate SOluations If your subwoofer has speaker terminals then use any lighting flex to connect the subwoofer to the speaker terminals on your stereo amplifier. Line level converters vary in price a bit depending on the quality and features, selling around $15-$25 or so in many retail stores and online stores. THANK you. It’s not just a matter of the physical connection but also that the signal levels aren’t compatible. You only need a subwoofer cable so you can connect your receiver’s subwoofer output to the low-frequency effect input on the subwoofer. The speakers are 4 ohm Thiels. Carefully maintain stereo L&R and polarity. Line level converters (also called RCA speaker level adapters) are small electronic devices that connect to speaker outputs from an amp or receiver and scale down the higher-voltage signal to a low level (“line level”). It won’t burn it out? Not that if the SW-9050 is not self-powered you’ll have to use a dedicated amp channel output. Is This possible? The powered subwoofer connects to the stereo in the same way as the standard amplifier. Conclusion. Of course, if you’re reading this it’s because you don’t have a receiver with a subwoofer output. Else performance of the subwoofer get reduced, and you may not be happy with the sound quality. 2. Tell me which line level converter you recommend. The good news is that in stereo mode, both new and old receivers & amps have very similar subwoofer behavior when connected as you’ve seen here. They’re designed for only low-end bass and not voice or other musical instrument frequencies. The outputs are RCA jacks which can then be connected to any amplifier or subwoofer with RCA jacks. Copyright © 2017-2021 SoundCertified.com. Step 4: Connect the Speakers John. We’ve broken the How to Connect Series into Three … Subwoofers with speaker level inputs are great to have for exactly this reason as you can connect them directly to an older amplifier or vintage receiver’s speaker outputs. Just imagine a clear-cut sound captured by an amplifier and played through a full-featured subwoofer. Although we strongly recommend using only one subwoofer without amplifier in the front deck. The port you use will depend on the subwoofer and amp you are connecting. Beneath the audio. Is it okay to have wires out that go to two my main floor speakers and the subwoofer? ), For sure I wouldn’t have recommended it if that wasn’t a safe thing to do. So, they are in duty of working with the low frequency sounds only. If the subwoofer's 'Line In' uses RCA cables (and if the subwoofer out on the receiver/amplifier also uses RCA), simply plug-in using an RCA cable. Attaching Speakers in a Series Wire your speakers in a series if they’re less than 8 ohms. For example, my subwoofers can push 1200 watts at 600 RMS, RMS represents how much continuous power a subwoofer … It’s very important in order to help you the best I can. Connecting to a Standard Class A/B Amp Using the High Level Cable. SoundMoz.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. 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