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Pro-Ject Debut III USB Preamp Advice
post May 10 2012, 16:13
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I have the turntable mentioned in the title. I suppose it's no big news that the USB-out is sometimes too loud (no gain adjustment) with some vinyl (which results in clipping,) especially nearly every double-LP I own. Much to my dismay it also happens with a few regular ones like my mint original-pressing Black Sabbath "Mob Rules." For about 70% of my LPs it's fine, though "limited" to 16-bit resolution for recording.

My questions are these:

Would it be feasible to use something like the M-Audio Firewire Solo Amazon to record my needledrops from the preamp's RCA-outs to my Macintosh? (I'm using VinylStudio and it's pretty great IME.) If so, would I be able to effectively do so at 24-bit? (I don't imagine I hear any difference, but would like to do so for editing purposes.)

Any recommendations/good advice is greatly appreciated. (I wish I had researched this TT before I bought it. I'm considering trading it in later and getting a regular Debut III or something else in their line-up for under 800 USD...that's just not going to happen anytime really soon. I'm otherwise pleased with this TT's performance, so I wouldn't mind coming up with a good workaround. I get great results with many records and the hardware/software combingation.)

Pretty new to digitizing vinyl, so please forgive my ignorance.

The Loudness War is over. Now it's a hopeless occupation.
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post May 12 2012, 02:28
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Well, I do have a RCA-to1/8" cable that I use to occasionally line-in my iPod to my home stereo system. I tried it out as you guys suggested and there was no issues with clipping. I recorded a 2xLP (Trivium's "In Waves") that gave me problems through the USB and it worked well in VinylStudio. I adjusted the volume to max out at around 92% @ 24/192 (overkill, but just for the hell of it.)

I'm concluding from this that there's no problem recording from the on-board preamp to something like the M-Audio... Speaking of that: I feel what you're saying about the possible FireWire issues, AndyH-ha. I'll probably just go with the Tascam that Apesbrain recommended. USB 2.0 is more than sufficient for my purposes. I think you're right about the USB 1.1 protocol used by the Debut III's preamp. I'm pretty certain that's why the needledrops are limited to 16 bit resolution.

I haven't had an opportunity to listen to the results of the Trivium LP rip yet. This may be feasible but I'm still thinking I want the Tascam US-144MKII...it seems like a good bargain and may be a "better" way of getting the job done.

I've always been kind-of aware of possible issues with a laptop and its mains power supply. I have been just running it on battery when doing needledrops. It's never a problem--the battery seems to last forever on my 13" MBP.

All of your input has been helpful and is not unappreciated. Thanks. smile.gif

The Loudness War is over. Now it's a hopeless occupation.
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Posts in this topic
- Engelsstaub   Pro-Ject Debut III USB Preamp Advice   May 10 2012, 16:13
- - Apesbrain   Absolutely, so long as you run the TT line level o...   May 10 2012, 20:30
- - mixminus1   @Apesbrain: The OP's turntable has a preamp bu...   May 10 2012, 20:35
- - Engelsstaub   Thanks for the replies. Apesbrain: yeah, this part...   May 10 2012, 22:46
- - AndyH-ha   Clipping via the USB connection is caused by the a...   May 11 2012, 01:54
|- - Engelsstaub   QUOTE (AndyH-ha @ May 10 2012, 19:54...   May 11 2012, 03:09
- - mixminus1   No, Andy's saying that the outputs of the inte...   May 11 2012, 03:42
- - AndyH-ha   "it would have to be a VERY hot phono pre...   May 11 2012, 04:55
- - Engelsstaub   mixminus1: my Mac is a late 2010 13" MacBook ...   May 11 2012, 16:45
- - AndyH-ha   I can be of only limited help here but you should ...   May 11 2012, 20:53
- - AndyH-ha   The possibility also exist that you might not have...   May 11 2012, 20:59
- - Apesbrain   @OP, I now understand and I'm sorry for the mi...   May 11 2012, 21:06
- - Engelsstaub   Well, I do have a RCA-to1/8" cable that I use...   May 12 2012, 02:28
- - AndyH-ha   "I adjusted the volume to max out at around 9...   May 12 2012, 03:18
- - Engelsstaub   Nah, I had it turned all the way up on the Mac...   May 12 2012, 04:09
- - AndyH-ha   It seems rather strange that a recording applicati...   May 12 2012, 06:55
- - punkrockdude   What cartridge is it on the turntable? Just asking...   May 12 2012, 14:39
- - Engelsstaub   punkrockdude: it's the stock Ortofon OM5e that...   May 12 2012, 14:57
- - AndyH-ha   QUOTE I'm gathering from everything you've...   May 12 2012, 20:52
- - Engelsstaub   Alright. Thanks for your reply and your patience, ...   May 12 2012, 21:39
- - AndyH-ha   Have you determined that you get clipping using yo...   May 12 2012, 23:16
- - Engelsstaub   Yes, this and a few other records seem to clip in ...   May 13 2012, 00:18
- - Arnold B. Krueger   QUOTE (Engelsstaub @ May 10 2012, 11:13) ...   May 14 2012, 12:59
|- - Engelsstaub   QUOTE (Arnold B. Krueger @ May 14 2012, 06...   May 14 2012, 15:18
- - dhromed   QUOTE Audacity has a clipping indicator. I'm w...   May 14 2012, 15:33
- - Engelsstaub   Oh, ok, Thanks, dhromed. I think I understand how...   May 14 2012, 16:27
- - AndyH-ha   If you were looking at music that had been mastere...   May 15 2012, 03:18
- - Engelsstaub   Hey, AndyH (or anybody else reading) ...as long as...   May 15 2012, 18:05
- - AndyH-ha   According to the manufacturer's literature, th...   May 15 2012, 21:36
- - Engelsstaub   Great. Thanks for your help, Andy (and also everyo...   May 16 2012, 01:19

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