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Author Topic: Tascam DR-70D 4-channel audio recorder (Part 8)  (Read 10592 times)

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Offline voltronic

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #45 on: March 14, 2017, 04:56:01 AM »
;D

The thing is, as I've said before many times in the modification discussion, that the mod didn't affect the noise level at all; it just improved the sound quality in other ways (treble clarity / extension, transients).  Jim Williams, who designed the mod I have, stated that noise performance of the 70D is a function of the tiny and cheap input transistors it uses.

Given my experience with my modded deck it should be noted that EIN is not the only thing to consider when evaluating the sound quality of a unit.  I think the DR-70D has rather quiet preamps, especially for its price.  But I find it very hard to believe that it performs better than a SD 722.
DPA 4061 | Line Audio CM3 | Naiant X-Q
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Tascam DR-70D FAQ
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Offline EvilEye

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #46 on: March 14, 2017, 04:21:38 PM »
Checking in.  Just got a 70D from raoulduke in the yard sale.  Very cool little machine.  Probably run it this weekend for Wilco at the Beacon.  I can run my FR2-LE or my SD MP-2/PCM-M-10 with my eyes closed, but this little thing is a little more complicated.  I've read through most of these posts (8 parts - really?) and the manual, etc, still have a couple questions, if you'll indulge me....

Firmware is 1.14, I'm waiting on an approved card, I'll have a 5V power bank, plus AA batteries in the unit (seamless power swap if the powerbank dies, right? nice feature).  I'll be running 4 mics (AKG ck63s and ck2s) 17th row center on the floor.  I figure if the gain is MID I'll start at noon on the gain knobs....

So, I arm all 4 channels, set preamp gain on MID, set the input to XLR/TRS, set the input gain to MIC+PHANTOM, set Phantom to 48V.......limiter, lowcut, delay and phase are all off, file format BWAV 24/48, battery on NIMH...man, a lotta settings scattered throughout a bunch of different menus...... :-\

One thing I don't understand - is File Type - mono or stereo?   I'm guessing stereo will give me two stereo files - 1/2 and 3/4 right?  (I'll want to do the mix down post in Reaper).

The line out, I'm stuck with the mixdown of four channels (same as 2MIX?) based on the levels set, right?

I'm thinking of running the ck63's through the MP2, and feeding the DR70 a line in on 1/2 from the tape out, and running an M-10 safety from the MP2 XLR outs, which I know are hot, but I think the M-10 line in can handle them (and the DR70 can't) is that right?

I'll probably man up and skip the MP2 and just run all 4 channels through the 70D.  We'll see.

Advice, tips and anecdotes welcome.....
AKG 460/ck61/ck63 /ck2 / ck8
AT853RX  - O/SC/C/H
Nbob AKG actives / Naiant PFAs / Bumblebee MiAGi-II Silver Cables
FR2-LE (Oade mod) / PCM-M10 / DR-70D
SD MP-2 / CA-9100

Offline lsd2525

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #47 on: March 14, 2017, 04:32:21 PM »
Checking in.  Just got a 70D from raoulduke in the yard sale.  Very cool little machine.  Probably run it this weekend for Wilco at the Beacon.  I can run my FR2-LE or my SD MP-2/PCM-M-10 with my eyes closed, but this little thing is a little more complicated.  I've read through most of these posts (8 parts - really?) and the manual, etc, still have a couple questions, if you'll indulge me....

Firmware is 1.14, I'm waiting on an approved card, I'll have a 5V power bank, plus AA batteries in the unit (seamless power swap if the powerbank dies, right? nice feature).  I'll be running 4 mics (AKG ck63s and ck2s) 17th row center on the floor.  I figure if the gain is MID I'll start at noon on the gain knobs....

So, I arm all 4 channels, set preamp gain on MID, set the input to XLR/TRS, set the input gain to MIC+PHANTOM, set Phantom to 48V.......limiter, lowcut, delay and phase are all off, file format BWAV 24/48, battery on NIMH...man, a lotta settings scattered throughout a bunch of different menus...... :-\

One thing I don't understand - is File Type - mono or stereo?   I'm guessing stereo will give me two stereo files - 1/2 and 3/4 right?  (I'll want to do the mix down post in Reaper).

The line out, I'm stuck with the mixdown of four channels (same as 2MIX?) based on the levels set, right?

I'm thinking of running the ck63's through the MP2, and feeding the DR70 a line in on 1/2 from the tape out, and running an M-10 safety from the MP2 XLR outs, which I know are hot, but I think the M-10 line in can handle them (and the DR70 can't) is that right?

I'll probably man up and skip the MP2 and just run all 4 channels through the 70D.  We'll see.

Advice, tips and anecdotes welcome.....

Skip the MP2. You can have all that stuff set before you go to the show. At the show, just turn it on, hit the menu button 4 times to confirm you want all 4 inputs to have phantom, then hit record when you're ready to go. easy peasy.
Mics: ADK A51s; AT4041; Superlux S502; CK91 active w/homebrew BB; AT853; Naiant X-X; Nak 300's
Recorders: M10; DR-60D; DR-70D

Offline EvilEye

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #48 on: March 14, 2017, 04:41:29 PM »
So I use STEREO, not MONO, and I get two stereo tracks which I can later mix down, right?

and the Mic Input knobs don't work when the HOLD switch is on - right?  (that kinda sucks, but I can live with it).
AKG 460/ck61/ck63 /ck2 / ck8
AT853RX  - O/SC/C/H
Nbob AKG actives / Naiant PFAs / Bumblebee MiAGi-II Silver Cables
FR2-LE (Oade mod) / PCM-M10 / DR-70D
SD MP-2 / CA-9100

Offline Life In Rewind

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #49 on: March 14, 2017, 05:01:25 PM »
So I use STEREO, not MONO, and I get two stereo tracks which I can later mix down, right?

and the Mic Input knobs don't work when the HOLD switch is on - right?  (that kinda sucks, but I can live with it).

The gotcha on the HOLD is that if you move the level knob - the level change will be abruptly applied when you un-HOLD...I'd avoid HOLD altogether.

For the most part STEREO is fine - unless you are doing a 3 channel or other non-symmetrical setup - then MONO might make more sense.

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TASCAM DR-70D/Tricorder

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #50 on: March 15, 2017, 06:31:53 AM »
I'd use LOW not MID for a rock show.
Recording:
Capsules: Schoeps mk41v, mk4v, mk22, mk3 & mk8
Cables: 2x nbob KCY, 1 pair nbob actives, Darktrain 2 and 4 channel KCY extensions:
Preamps:    Naiant Littlebox, Naiant IPA, Naiant PFA, Sound Devices Mixpre6
Recorders: Sound Devices Mixpre6, Sony PCM m10
Home Playback: Mytek Stereo96> Adcom SLC 505> Marantz Ma500 (x2)> Eminent Tech LFT-16; Musical Fidelity xCan v2> Hifiman HE-400
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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #51 on: March 15, 2017, 06:48:14 PM »
I'd use LOW not MID for a rock show.

YES!

LOW GAIN!!!
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Offline voltronic

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #52 on: March 15, 2017, 09:05:18 PM »
I'd use LOW not MID for a rock show.

Agreed.  I don't go past MID for classical recording, and find myself using LOW for a lot of things with orchestra or loud percussion.
DPA 4061 | Line Audio CM3 | Naiant X-Q
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Tascam DR-70D FAQ
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Offline billydee

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #53 on: April 02, 2017, 09:56:04 AM »
I'm ready to pull the trigger on one of these and can get it for $224.99 new. Seems like a great deal.
Any thoughts on that price point from you folks?

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #54 on: April 02, 2017, 10:00:17 AM »
There were a few in the YS you may want to see if one hasn't sold!
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Offline Gordon

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #55 on: April 02, 2017, 10:37:14 AM »
I got a mint used one for much less than that!  Like Jbell said look in the yard sale.
Mics: Neumann ak40 > Nick mod lc3 > Naiant PFA, km140, CA-11 Omni
Pres: Audioroot Femto, CA 9200
Recorders: Sony PCM-M10, Tascam DR-70D

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Offline billydee

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #56 on: April 03, 2017, 07:47:55 AM »
I'm ready to pull the trigger on one of these and can get it for $224.99 new. Seems like a great deal.
Any thoughts on that price point from you folks?
There doesn't appear to be anything available in the Yard Sale as of now, and I'd prefer new with warranty etc.
Thanks for the suggestions.
So is $224.99 a fair price for a new unit in the box?

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #57 on: April 03, 2017, 11:04:17 AM »
$225 is a fair price.
Schoeps MK4's, MK41's> KCY 250/5 Ig> Naiant PFA (60V)> Sound Devices Mixpre-6

Offline lsd2525

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #58 on: April 03, 2017, 12:23:14 PM »
Mics: ADK A51s; AT4041; Superlux S502; CK91 active w/homebrew BB; AT853; Naiant X-X; Nak 300's
Recorders: M10; DR-60D; DR-70D

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Re: Tascam DR-70D 4-channel audio recorder (Part 8)
« Reply #59 on: April 03, 2017, 04:57:07 PM »
When i got mine, Chris at Busman modded it for me, you might want to reach out to him, and have it shipped right to him...
Recording:
Capsules: Schoeps mk41v, mk4v, mk22, mk3 & mk8
Cables: 2x nbob KCY, 1 pair nbob actives, Darktrain 2 and 4 channel KCY extensions:
Preamps:    Naiant Littlebox, Naiant IPA, Naiant PFA, Sound Devices Mixpre6
Recorders: Sound Devices Mixpre6, Sony PCM m10
Home Playback: Mytek Stereo96> Adcom SLC 505> Marantz Ma500 (x2)> Eminent Tech LFT-16; Musical Fidelity xCan v2> Hifiman HE-400
Office Playback: Grace m903> AKG k701

 

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