lightbulb Continued Experiments With Adding 2-Channel Bass Signals to Triton 1 LFE Inputs

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ArthurDaniels Posted 7 years 4 months ago
#19783
I have posted several reports in the "Show off Your GE Speakers" section of this forum, regarding my experiments with adding extra 2-channel bass signals via my Triton One LFE inputs. I have continued those experiments and will report the results in this post. I have moved this topic to this section of the forum because it seems to me to be the more logical location.

First, a disclaimer of sorts: I acknowledge that GE does not recommend the approach I am using because I am "defeating" or "bypassing" the crossover circuits built in to the Triton Ones.

Nevertheless, I believe that adding controlled "extra bass" via my approach has merit and is worthy of some consideration, especially for Triton One owners who listen primarily to music and who routinely play their music at less than "room volume".

My previous experiments have always revolved around having a direct connection between a "Line Out" output from my amplifier to the Triton Ones LFE inputs. This approach adds noticeable extra bass, but has always resulted in less-than-satisfactory control over the amount of extra bass being added - a conundrum exacerbated by the great variation of bass present across the range of my recorded music. Where to set the Triton Ones LFE level control only added to the muddle.

A couple of days ago, I remembered that, in my collection of retired electronic gear, I had a Chase Technologies RLC-1 Line Controller. This device was manufactured in the late 1980s or early 1990s and is no longer available, except on sites like EBAY and Amazon. This controller has multiple line-level inputs and two line-level outputs and is totally controlled by an IR Remote. The remote provides several control features, one of which is a volume control.

I have inserted this device between the L/R Record Line-Outs on my Cambridge 2-channel amplifier and the LFE inputs on my Triton Ones. I have set the Triton Ones LFE level controls to the 12:00 mid-position. Now, I can easily change the level of the "extra bass" signal I am sending to the Triton Ones to match the characteristics of the recording to which I am listening. I have found this approach to be very satisfying. I enjoy hearing what I define as sufficient and full bass without adding "boominess" or other undesirable bass effects.

Since I now use my Triton Ones exclusively for 2-channel music, I do not have issues with needing connections also for true LFE inputs from multi-channel AV audio sources. However, that problem can be addressed with readily-available audio switch boxes.

As I mentioned earlier in this post, the Chase Technologies RLC-1 Controller is no longer manufactured, but I believe a web search will turn up both used RLC-1 units and other currently-manufactured line-level controls, both manual and with remotes.

Happy listening to all,

Art
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ArthurDaniels Posted 7 years 3 months ago
#20142
Here is a an update regarding my "addition of 2-channel bass signals to my Triton One LFE Inputs" report.

After listening to a broad spectrum of music, I continue to be pleased with this arrangement. Following are some additional comments for consideration by anyone who might be considering a similar arrangement.

Please remember that, with my setup, I have the Triton LFE controls set to the 12:00 "Indent" position.

1. I am using my Triton Ones exclusively for 2-channel music reproduction. Therefore, I do not have a need to connect a normal LFE signal from an AV Receiver to my Tritons. If it were necessary for me to also connect an LFE source, I would need either a line-level switch or I would need to "Y-Connect" both sets of cables to the LFE inputs.

2. My volume level for listening ranges from 45 db to no more than 70 db. I know that a number of you listen at much louder volume levels. It has been my observation that bass augmentation is more desirable at lower volume levels.

3. Audible bass levels vary considerably between recordings. Being able to add a controllable amount of bass augmentation has proven to be very pleasing.

4. When I listen to certain types of music (for example, a capella choral singing or small-instrument groups such as a chamber ensemble, string trio, etc.), I do not add any bass augmentation, regardless of volume level.

5. Generally, for full-symphonic recordings, I add no extra bass - again, regardless of volume level.

6. When I do add bass, I adjust the volume level on the Chase Technologies RLC-1 Controller to add just enough bass to "fill in the void". I do not increase the RLC-1 volume control beyond the first 20% of its range.

I do understand that I am adding what GE folks call "double bass" with this approach - which they do not recommend. But, I do wish that they could hear a "before and after" example when I play certain recordings.

Happy listening to all,

Art
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Moderator Posted 7 years 3 months ago
#20143
If you're happy, we're happy. :)
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