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https://www.decware.com/cgi-bin/yabb22/YaBB.pl AUDIO FORUMS >> General Discussion and Support >> ZBIT vs Built-In XLR? https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1546382839 Message started by StanleyG on 01/01/19 at 22:47:15 |
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Title: ZBIT vs Built-In XLR? Post by StanleyG on 01/01/19 at 22:47:15 I use a ZBIT in my main system (connected to a 25th) to very good effect but I fantasize about the Torii Monoblocks which have the transformers built in. Or maybe the less spendy ZMA with XLR option (or without, using the ZBIT I have) , but oooh, monoblocks! As I understand, the ZBIT presents a variable output to the amp and one 'rides the gain' in relation to the amp's volume control. But if the transformers are built-in, is the full XLR output present at all times? Or is there a resistor(?) or something involved to moderate the inputs when built-in? Seems otherwise that any XLR input would be way hotter than RCA inputs on the same amp. And the volume always near minimum on the amp unless using a preamp (which I do have a ZTPRE in another system now rarely used). Speakers are prolly the next improvement on my personal hedonic treadmill so just speculating for now. |
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Title: Re: ZBIT vs Built-In XLR? Post by Steve Deckert on 01/02/19 at 04:25:28 Hi Stanley, The advantage of having the transformers built-in vs. in a ZBIT are really only one less RCA interconnect cable. Assuming the cable is good transparency the advantages quickly dissipate. The variable output of the ZBIT is often overlooked because in a given system it may or may not make a big difference depending on where you adjust the output level to ride the gain. However, when you experience it in multiple systems, or with multiple amplifiers, etc., and notice that the setting changes from system to system you realize that the adjustability is essential. When the transformers are built-in we usually just run them wide open unless the customer is going to run a high output source into it at which point we'll usually simulate a volume control set to about 3/4 or less depending on the voltage. This makes the amp sound richer. Knowing this and being strapped for space on the 25th Anniversary Zen Triode, I did not make it an option forcing the user to use a ZBIT instead. Certainly using XLR signals are louder than RCA. RCA is between 1 and 2 volts, XLR is between 3.5 and 10 volts. Steve |
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Title: Re: ZBIT vs Built-In XLR? Post by Lonely Raven on 01/02/19 at 07:23:25 Z-Bit or built in, I really like the sound of Zen amps with more voltage coming in from an XLR. I also find XLR cables to have less of a sonic impact than RCA cables. Anyways, go for it if you're thinking about it - you'll appreciate how it sounds, built in or in a "magic box". |
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Title: Re: ZBIT vs Built-In XLR? Post by Lon on 01/02/19 at 07:39:07 I haven't heard the transformers built in, but I do love the adjustability of the ZBIT--riding the gain really can be a tuning tool as Steve notes. I also can't say I find XLR cabling to be less sonically impacting in a Decware system--I've found significant "character" differences to the sound by playing around with the four different brands of XLR cabling I have. With my main source a ZBIT is necessary as the transformer-based output is lower than usual. My guess is that if you think you'd like what a ZBIT does, or what Steve's installed XLR inputs does, you are far more than likely to really enjoy them as not. And Stanley. . . you have a 25th. With the right speakers. . . you're set. I think these amps are game-changers and wanderlust-stoppers. |
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Title: Re: ZBIT vs Built-In XLR? Post by Lonely Raven on 01/02/19 at 20:08:18 Agreed on the 25th - it's such a wonderful amp. |
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Title: Re: ZBIT vs Built-In XLR? Post by StanleyG on 01/02/19 at 22:30:32 Very cool! Thanks for the quick and direct info, Mr Deckert! So I tried full bore on the ZBIT, had been running the amp high and it low. Wow! I think I never even tried it this way as my plan was all along to use the ZBIT as a passive preamp for volume control with some range up and down. I will continue experimenting but I think all 5 (now wishing for more!) volts from my source make a big difference when the volume is managed at the amp even though the amp may never run over half way up. As though there is just more information getting through. Ima have to train my sausage-fingers to operate the two volume controls in tandem! Maybe I can get a ZBIT made to order with no volume control at all... or with just a mute/dim switch? I am so lazy, turning the ZBIT knob all the way around and down quickly for the rare phone call (so as not to mess up the careful balance set on the amp) will surely be a chore :). And Lon and LR, thanks for the reminder. The 25th is surely the best sounding of any audio device I have owned. Although 'best' is too small a word to describe its immersive, mind-bending impact. Even through my modest speakers (Heresy III's) I am hard pressed to recall ever hearing more 'better' (even when having snuck into the appointment-only room ages ago when there were hifi stores local to me). Maybe the DNA2's, or the ZOB's... I really like the single driver idea. |
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Title: Re: ZBIT vs Built-In XLR? Post by ScottNC on 01/02/19 at 23:37:19 Stanley, No idea what type or size of room your system is in, but DNA2’s certainly seem like a possibility for you. I can’t speak highly enough to them. You certainly have the groundwork equipment wise to head that direction. Best, Scott |
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Title: Re: ZBIT vs Built-In XLR? Post by Dominick on 01/03/19 at 06:21:26 Quote:
StanleyG.....if this is a concern for you then maybe have a Steve reinstall the ZBIT with stepped attenuators, and possibly even dual controls. That way once you find the sweet spot for your setup, you will know that all it takes is a certain number of “clicks” to turn it down, answer the phone, and then easily get back to where the sweet spot was originally. |
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Title: Re: ZBIT vs Built-In XLR? Post by Lonely Raven on 01/03/19 at 14:40:44 Quote:
What you described right there is *exactly* how I feel when the Decware amps get more than the standard 2 volts a typical RCA output has! Riding the gain allows you to somehow add more "density" to the music. Once you hear it, it's difficult to go back. |
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Title: Re: ZBIT vs Built-In XLR? Post by stone_of_tone on 01/19/19 at 15:21:36 Sweet! ZBIT is ready to go~with dual attenuation/chicken knob's baby!! I suppose I should call on Monday and pay the balance. Now, to pick up a control sample XLR, too. I essentially, have a ZBIT (at full tilt non variable output) now, for 4 years next month with my ZDSD. I decided I can't be without one when my ZDSD tanks someday. I will pull and project box the output trannies from my ZBIT then. However, I wanted one with variable adjustment on the shelf and ready to go; plus the fun of comparison right now, with my ZDSD output trannies. ZMA MOD's continue to amaze. Sweet session this morning: Tungsrams, Telefunken's & 7027A's. |
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Title: Re: ZBIT vs Built-In XLR? Post by Lon on 01/19/19 at 15:41:29 Awesome Larry! You'll have fun playing with the ZBIT. Give it a week or so of use to become its best. I find that having the adjustable output is very beneficial for my system. I'm using dual stepped attenuators in mine and prefer the sound at 16 or 17 steps from 0 to the full 20. It's not a hard decision to make, full out at 20 sounds great, but there's more finesse to the lower settings. Be sure to report back to us your impressions! (Like you wouldn't!) |
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Title: Re: ZBIT vs Built-In XLR? Post by stone_of_tone on 01/19/19 at 15:50:17 Thanks Lon and you know I will! |
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