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  • Crest ProLite 2 amp question

    https://peaveycommercialaudio.com/product/pro-lite-2-0/
    I just picked up one of these to play with on my album /streaming rig. My questions are as follows:
    1. Schitt preamp for input and volume control...will this be a good choice and have enough output signal for the pro amp input?
    2. The Crest has combo in/ out..neutrik/xlr/1/4 in...what would the best choice be to use, coming from RCA pre outs? I will make custom cables, and/or adapters as needed.


    If there are better suggestions, I'm all ears. I want to keep this as simple as possible just to see if I like it, and I had considered a line mixer, but I want to do that only as a last resort. Thanks in advance. Glenn.

  • #2
    Both XLR and 1/4" are usually 3-pole balanced interfaces. The 1/4" CAN run standard 2-pole connections, so I would just get some 1/4" to RCA adapters should you wish to do that. Personally, I would try and use balanced connections, because the input voltage runs higher, and this will give you your full power option.

    My suggestion- get a Radial linestage for your input and and volume. You might even get it cheaper than the Schiit.

    Later,
    Wolf

    Edit:
    JPC model might work....
    Nope- This is one you want!
    https://www.radialeng.com/product/j4
    "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
    "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
    "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
    "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

    *InDIYana event website*

    Photobucket pages:
    http://photobucket.com/Wolf-Speakers_and_more

    My blog/writeups/thoughts here at PE:
    http://techtalk.parts-express.com/blog.php?u=4102

    Comment


    • #3
      You didn't specify what the input to the preamp will be, assuming something analog the least expensive option that will do the job is an ART Cleanbox Pro but if you were intending to feed a digital signal directly from a computer then you need something with a soundcard built-in, and then the Schitt preamp doesn't look so expensive.
      Paul O

      Comment


      • #4
        https://www.parts-express.com/rolls-...8aAoMdEALw_wcB

        I was confusing the Schitt preamps with the SYS, and thought that they had a cheaper model, so scratch that for now. Both those units look like good options. Have any of you used one of these Rolls units? If I have the amps gain opened up, any of these units should function as a volume control using the gain knobs on the converter, I'm hoping. Paul, the input will be rca analog. Glenn.

        Comment


        • #5
          Yes for the Radial, and the stage has Jensen transformers in it.
          Very clean!
          Wolf
          "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
          "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
          "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
          "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

          *InDIYana event website*

          Photobucket pages:
          http://photobucket.com/Wolf-Speakers_and_more

          My blog/writeups/thoughts here at PE:
          http://techtalk.parts-express.com/blog.php?u=4102

          Comment


          • #6
            I forgot about the Rolls, that and the ART I mentioned are good options at reasonable prices... both of these companies make good products with a solid reputation in the industry, and Radial is a step up from these as the price suggests. I have not used either of these particular devices but own several Radial DIs and an ART DTI and all of them pass signals totally uncolored.
            Paul O

            Comment


            • #7
              Thanks for the info, gentlemen! You've both convinced me to splurge for the Radial. I was thinking 2 pole 1/4 to banana for the amp outs to speaker input. Do you guys prefer 2 pole neutrik, or am I good there? Glenn.

              Comment


              • #8
                I think you'll find most 1/4" connections on pro-amps are for inputs or low-level outputs, and NOT for amplified output to speaker connections. Most pro-amps use binding posts or SpeakOns now, with older units possibly still having barrier strip connections.

                Later,
                Wolf
                "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
                "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
                "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
                "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

                *InDIYana event website*

                Photobucket pages:
                http://photobucket.com/Wolf-Speakers_and_more

                My blog/writeups/thoughts here at PE:
                http://techtalk.parts-express.com/blog.php?u=4102

                Comment


                • #9
                  Yep- checked the site linked for the Crest- It uses SpeakOns for the outs.
                  Wolf
                  "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
                  "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
                  "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
                  "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

                  *InDIYana event website*

                  Photobucket pages:
                  http://photobucket.com/Wolf-Speakers_and_more

                  My blog/writeups/thoughts here at PE:
                  http://techtalk.parts-express.com/blog.php?u=4102

                  Comment


                  • #10
                    Speakon to banana it is. Thanks again, Ben. I'll get everything together and report back with results/ thoughts. We use alot of speakon and xlr for stage mains and chaining monitors, but this is my first time to set one of my personal rigs up with a pro amp, and I'm really hoping to take my system another step up. Glenn.

                    Comment


                    • #11
                      Question on hookup. I have audio out rca on the video channels inputs as well as video monitor audio outs. Would these be the best choice to feed the line converter inputs, so that I can still use the sub out and maintain level control between the sub and line outs? If that works for volume controlling the outs, if I have the a/b front speakers switched off, should that bypass the internal amp section, leaving me with using the avr as a preamp? I also ended up getting the Rolls unit to try out. Glenn.

                      Comment


                      • #12
                        https://photos.app.goo.gl/pDw1GbfxsvC58DWm7
                        Sweet! I don't need to use anything but the Rolls unit! It has rca line outs that are level controlled with the gain set. Holy cow, this setup has taken on a more beastly and dynamic personality. I am able to control the volume off of my phone from anywhere in the house, as long as I'm running Spotify. I'll have to manually adjust for the turntable. This amp is clean, clean, clean, and I have the sub level boosted a good amount vs the previous avr setup. Tools new album Fear Inoculum sounds great. Glenn.

                        Comment


                        • #13
                          Ok, I have nothing but rave reviews for the Crest amp. This little beast is capable of feeding 2kw into a 2 ohm load bridged. I am running it stereo into a 6 ohm load on JBL Studio 590 towers, with a 12 inch HSU buyout sub fed by a 300w rms/ 600 peak Sunfire amp. Do I need all that power? No.....but the level of clarity, soundstage, and imaging, as well as low end richness added is huge. I have only ran Spotify premium off of my laptop, into the Rolls converter feeding the amp. The ease at higher volume is substantial across the board, and the amp makes almost no heat. My

                          Comment


                          • #14
                            My NAD class a/b amp can warm your hands on a cold day! The fan on the Crest is no bother at all. I've used many different amps for live music over the years, but this is my first for my personal fun listening, and for what you can get these for, I am a forever convert, until something better for less money comes along. And, speak ons kick arse! Glenn.

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