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Author Topic: Tascam DR-680 MKii  (Read 22413 times)

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Offline lukpac

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Re: Tascam DR-680 MKii
« Reply #120 on: November 30, 2016, 02:02:31 PM »
(3) I'm under the impression this deck is not as sensitive to particular SD cards like the DR-70 is, but any problems or suggested cards?

Purely anecdotal, but I got these about a year ago and haven't had any problems:

https://www.amazon.com/gp/product/B0143RT8OY/ref=od_aui_detailpages00?ie=UTF8&psc=1

I've also used 2 or 3 different 16GB cards without issue as well. I've never had a problem with any cards in my 680 or 680MKII.

Offline GDfan

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Re: Tascam DR-680 MKii
« Reply #121 on: December 02, 2016, 07:47:31 PM »
I recently picked up a mkII and have not gone through all 7 threads of mkI. A couple quick questions:

(1) Suggested simple 2-channel preamp with SPDIF out use on the DIG IN channels?
(2) Suggested external battery?
(3) I'm under the impression this deck is not as sensitive to particular SD cards like the DR-70 is, but any problems or suggested cards?

Thanks for any help.

1. I use a Sound Devices USBPre2 in front of mine and love the sound.
2. I use an Anker 14400 Mah that has 12v out and powers it for 8+ hours.
3. I use a couple 32 GB Sandisks sdhc class 4, without any issues.

hope this helps


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Offline dallman

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Re: Tascam DR-680 MKii
« Reply #122 on: December 03, 2016, 05:19:36 PM »
I recently picked up a mkII and have not gone through all 7 threads of mkI. A couple quick questions:

(1) Suggested simple 2-channel preamp with SPDIF out use on the DIG IN channels?
(2) Suggested external battery?
(3) I'm under the impression this deck is not as sensitive to particular SD cards like the DR-70 is, but any problems or suggested cards?

Thanks for any help.

1. I use a Sound Devices USBPre2 in front of mine and love the sound.
2. I use an Anker 14400 Mah that has 12v out and powers it for 8+ hours.
3. I use a couple 32 GB Sandisks sdhc class 4, without any issues.

hope this helps

Similarly
1. I use a Sound Devices USBPre2 in front of mine and love the sound.
2. I use Tekkeon MP3450 or Tekkeon 3450 knockoffs and well as the older Power Runner Batteries that has 12v out and powers it for about 8 hours maybe more. I always run at 12v not 9v.
3. I use a couple of Sony 128 and 64 GB sdxc class 10 cards, without any issues. I have also run 32gb class 10 SDHC Wintec, Fuji and Micro Center cards with never an issue. And I have run 8 mics with these cards too which would be maximum demand. That is why I run class 10 cards.
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Offline jefflester

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Re: Tascam DR-680 MKii
« Reply #123 on: December 12, 2016, 07:43:01 PM »
Thanks for the USBPre2 recommendations, though I was thinking of something more along the lines of $200 or less, rather than a unit that costs more than the deck itself. But there aren't really that many boxes that do this function are there, 2-channel portable preamp with SPDIF out.
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Samson C02/Superlux S502 -> DR-680MKII
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Offline Gutbucket

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Re: Tascam DR-680 MKii
« Reply #124 on: December 13, 2016, 09:34:35 AM »
When I need 8 channels I use a V3 for digital in which doesn't meet your cost criteria, but I've been meaning to try an old SBM-1 I picked up from another member here.  I haven't done that yet (no time for such a project currently), and can't remember hearing of others here using the SBM-1 into a 680, but if it works it is an option.

If pursuing that route, keep in mind that the SBM-1 output is 16bits. Assuming they play nicely together, one should be able to simply set the 680 to record at either of the SBM-1's output settings of 16/44.1 or 16/48 16 bits.  However AFAIK, the 680 should lock to the SBM's 44.1 or 48kHz clock rate regardless of it's word length, even if the 680 is set to record 24bit files, which is how I planned to run it.  I use 6 channels of mics in my standard setup, and the idea is to keep the SBM-1 in the bag for SBD or other extra channels, without having to change the 680 from my normal recording rate of 24/48, and without the size, weight and cost penalties of bringing along the V3 for such "just in case" scenarios.  In that case, the resulting stereo channel file from the digital input would be a 24bit file but would only contain 16 bits of information, with the bottom 8 bits consisting of zeros.

volition > vibrations > voltages > numeric values | numeric values > voltages > vibrations > virtual teleportation time-machine experience

"Narrow or widely spaced microphone configurations are preferred. It is well-known experience that pure coincidence microphone concepts are not able to produce a satisfying natural spatial impression, due to the lack of adequate interchannel temporal relations (time-of-arrival, phase, correlation)" -Günther Theile
"The mix of the Double M/S signals with a large A/B configuration of omnis results in the spacious sound that is often desired. This option also provides decorrelated low-frequency signals." -Helmut Wittek

Offline pohaku

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Re: Tascam DR-680 MKii
« Reply #125 on: December 13, 2016, 11:08:38 AM »
Maybe a used Apogee Mini-me with an AES to Spdif cable would be more in the ballpark price wise.  See the yard sale.
Mics: akg c460 (ck61, ck63), c414buls, c568eb; at4049a, 4051a, 4053a, at853; josephson c42; neumann U87, km84i; beyer m130, m160, m500; aea r84; gefell m71, mt711s, m200, m201; sony c38; schoeps cmc6, CMBI (mk4, mk21, mk41, mk4v); sennheiser mkh40, md421, md431, md541
Pres: API, a-designs, pendulum, purple, millennia, gt, littlebox, tinybox, usbpre2, CA 9200, pipsqueak, pueblo pending
Cables: KCY, CMR, Naiant AKG actives, PFAs, asst.  GAKables and Darktrain
Recorders/converters: dr680, m10, dr-2d, d50, dr70d, zoom f8, lynx aurora 8


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Offline lukpac

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Re: Tascam DR-680 MKii
« Reply #126 on: December 13, 2016, 11:41:05 AM »
Maybe a used Apogee Mini-me with an AES to Spdif cable would be more in the ballpark price wise.  See the yard sale.

Looks like it has S/PDIF out anyway, so there shouldn't be a need for a special cable.

Not entirely helpful either, but I use an ART DI/O, usually with my Mackie mixer as a preamp.

Offline pohaku

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Re: Tascam DR-680 MKii
« Reply #127 on: December 13, 2016, 01:40:30 PM »
The spdif out on the Mini-me can be flakey.  The AES out is more reliable.  So a AES to Spdif cable is a better and more reliable arrangement.  See the thread for the unit currently for sale in the yard sale.
Mics: akg c460 (ck61, ck63), c414buls, c568eb; at4049a, 4051a, 4053a, at853; josephson c42; neumann U87, km84i; beyer m130, m160, m500; aea r84; gefell m71, mt711s, m200, m201; sony c38; schoeps cmc6, CMBI (mk4, mk21, mk41, mk4v); sennheiser mkh40, md421, md431, md541
Pres: API, a-designs, pendulum, purple, millennia, gt, littlebox, tinybox, usbpre2, CA 9200, pipsqueak, pueblo pending
Cables: KCY, CMR, Naiant AKG actives, PFAs, asst.  GAKables and Darktrain
Recorders/converters: dr680, m10, dr-2d, d50, dr70d, zoom f8, lynx aurora 8


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Offline drewloo

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Re: Tascam DR-680 MKii
« Reply #128 on: December 13, 2016, 03:23:10 PM »
Thanks for the USBPre2 recommendations, though I was thinking of something more along the lines of $200 or less, rather than a unit that costs more than the deck itself. But there aren't really that many boxes that do this function are there, 2-channel portable preamp with SPDIF out.

would a UA-5 work?  or a denecke ad-20 aka zifiro inbox work?
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Offline lukpac

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Re: Tascam DR-680 MKii
« Reply #129 on: March 20, 2017, 08:58:32 PM »
Has anyone run into something like this? Twice now I've had a situation where I've recorded something with an AT2050 and the resulting waveform has clipped, albeit asymmetrically: positive peaks are clipped while negative peaks aren't. These were the two shows:

Show 1
1 - electric guitar amp (Shure 545S)
2 - violin amp (AT2050)
3 - acoustic guitar (DI, line-in from my mixer)
4 - cello (DI, line-in from my mixer)
5 - room (AT853)
6 - room (AT853)

Show 2
1 - electric guitar amp (Shure 545S)
2 - bass (DI, line-in from my mixer)
3 - drum overhead (AT2050)
4 - drum overhead (AT2050)
5 - snare (Shure SM57)
6 - kick (EV 660)

Show 1 had 3 inputs providing phantom power (the AT2050 and the two AT853s), while show 2 had 2 inputs providing phantom power (the two AT2050s). Fortunately with the drums, the clipping is only on some loud snare hits, and isn't really noticeable, but with the violin, it's all over the place and the sound is quite distorted.

I just did a couple quick experiments recording a CD played very loudly and the mics close to my speakers:

Test 1
1 - AT2050, 680 set to high gain
2 - AT2050, 680 set to low gain

Test 2 (all high gain)
1 - AT2050
2 - AT2050
3 - AT853
4 - AT853

I wasn't able to reproduce the problem. No noticeable clipping, and symmetrical waveforms.

Thoughts? Both the shows and the tests were recorded using the supplied AC adapter. At this point it's a bit frustrating that I'm unable to reproduce the issue.

Offline Gutbucket

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Re: Tascam DR-680 MKii
« Reply #130 on: March 23, 2017, 03:00:34 PM »
Dunno.  Do you have an alternate phantom supply you can try with the AT2050 a few times to see if the problem reoccurs?
volition > vibrations > voltages > numeric values | numeric values > voltages > vibrations > virtual teleportation time-machine experience

"Narrow or widely spaced microphone configurations are preferred. It is well-known experience that pure coincidence microphone concepts are not able to produce a satisfying natural spatial impression, due to the lack of adequate interchannel temporal relations (time-of-arrival, phase, correlation)" -Günther Theile
"The mix of the Double M/S signals with a large A/B configuration of omnis results in the spacious sound that is often desired. This option also provides decorrelated low-frequency signals." -Helmut Wittek

Offline Gutbucket

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Re: Tascam DR-680 MKii
« Reply #131 on: March 23, 2017, 03:05:26 PM »
What's the generally preferred external battery option for the 680 these days?

My stash of old 9V "DVD" LiIOn batteries are growing unreliable and I think it's time to move to something else.
volition > vibrations > voltages > numeric values | numeric values > voltages > vibrations > virtual teleportation time-machine experience

"Narrow or widely spaced microphone configurations are preferred. It is well-known experience that pure coincidence microphone concepts are not able to produce a satisfying natural spatial impression, due to the lack of adequate interchannel temporal relations (time-of-arrival, phase, correlation)" -Günther Theile
"The mix of the Double M/S signals with a large A/B configuration of omnis results in the spacious sound that is often desired. This option also provides decorrelated low-frequency signals." -Helmut Wittek

Offline lukpac

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Re: Tascam DR-680 MKii
« Reply #132 on: March 23, 2017, 03:10:50 PM »
Dunno.  Do you have an alternate phantom supply you can try with the AT2050 a few times to see if the problem reoccurs?

Not that I can use with the 680. I can run it into a computer interface, or through a mixer though. But since I can't even reproduce the issue...

I was going to say I thought perhaps it could be some issue unique to channels 3&4, but looking again, I see the violin on for the first show was recorded on channel 2.

Offline kingdong

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Re: Tascam DR-680 MKii
« Reply #133 on: March 23, 2017, 04:46:25 PM »
What's the generally preferred external battery option for the 680 these days?

My stash of old 9V "DVD" LiIOn batteries are growing unreliable and I think it's time to move to something else.

I have a MK i which I have been powering with a talentcell with good results.
https://www.amazon.com/TalentCell-Rechargeable-12000mAh-Multi-led-indicator/dp/B00ME3ZH7C

I sometimes run a Y cord from the talentcell and power both the DR-680 and a MiniMe with it at the same time.  No problems to date.  Runtime has not been an issue.  Over 3 hours powering both and phantom power on 6 mics (4 on the 680 and 2 on the MiniMe)

Offline Gutbucket

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Re: Tascam DR-680 MKii
« Reply #134 on: March 23, 2017, 05:13:40 PM »
What's the generally preferred external battery option for the 680 these days?

My stash of old 9V "DVD" LiIOn batteries are growing unreliable and I think it's time to move to something else.

I have a MK i which I have been powering with a talentcell with good results.
https://www.amazon.com/TalentCell-Rechargeable-12000mAh-Multi-led-indicator/dp/B00ME3ZH7C

I sometimes run a Y cord from the talentcell and power both the DR-680 and a MiniMe with it at the same time.  No problems to date.  Runtime has not been an issue.  Over 3 hours powering both and phantom power on 6 mics (4 on the 680 and 2 on the MiniMe)

Thanks I'll look into that one.  Ideally looking for something that will power it for a full festival day (say 12hrs) running 6ch of phantom to power Naiant PFAs. 

Open to other suggestions which have been proven to work for other members here, thanks all.
volition > vibrations > voltages > numeric values | numeric values > voltages > vibrations > virtual teleportation time-machine experience

"Narrow or widely spaced microphone configurations are preferred. It is well-known experience that pure coincidence microphone concepts are not able to produce a satisfying natural spatial impression, due to the lack of adequate interchannel temporal relations (time-of-arrival, phase, correlation)" -Günther Theile
"The mix of the Double M/S signals with a large A/B configuration of omnis results in the spacious sound that is often desired. This option also provides decorrelated low-frequency signals." -Helmut Wittek

 

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