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Author Topic: differences between sound devices 702, 722,744,788  (Read 6725 times)

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Offline brewcrew87

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differences between sound devices 702, 722,744,788
« on: April 02, 2011, 02:29:43 PM »
dont understand, they all appear very similar

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Offline Brian Skalinder

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Re: differences between sound devices 702, 722,744,788
« Reply #1 on: April 02, 2011, 02:32:28 PM »
This might help:  www.sounddevices.com
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Re: differences between sound devices 702, 722,744,788
« Reply #2 on: April 02, 2011, 02:46:18 PM »
Quote from: brewcrew87 on April 02, 2011, 02:29:43 PM
dont understand, they all appear very similar

thats because they generally are. nuances include:

- how many media do you want to record to simultaniously
- how many channels do you want
- do you want timecode

Thats pretty much it when you're trying to decide which one to buy. The 788 has a different topology for it's preamps, but I don't think that's reason enough to differentiate it from his older brothers.
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Offline AB52

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Re: differences between sound devices 702, 722,744,788
« Reply #3 on: April 03, 2011, 07:15:21 PM »
I believe the 702 has a 2gb limitation?  Someone please check on that.  It has been a while since I read itl
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Re: differences between sound devices 702, 722,744,788
« Reply #4 on: April 03, 2011, 07:48:33 PM »
Quote from: AB52 on April 03, 2011, 07:15:21 PM
I believe the 702 has a 2gb limitation?  Someone please check on that.  It has been a while since I read itl

I'd honestly be shocked if so and I highly doubt it.

As I understood it:
The 722 has a harddrive but no timecode
The 702T has timecode but no harddrive.
The 702 has no harddive nor timecode.

Otherwise they are all the same box.
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Offline notlance

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Re: differences between sound devices 702, 722,744,788
« Reply #5 on: April 03, 2011, 09:01:11 PM »
Quote from: AB52 on April 03, 2011, 07:15:21 PM
I believe the 702 has a 2gb limitation?  Someone please check on that.  It has been a while since I read itl

The 7xx recorders use the FAT32 file system and so each file can "only" be a maximum of 4 GB.  That works out to be about 4 hours per file recording 2 channels of 24bit/48kHz.  If you exceed 4 GB, the recorder will automatically start a new file without losing any samples.  The 7xx boxes will accept any size CF card; I've used 32 GB cards in a 702, 722, and 788T without a problem.  I've never shelled out the coin for a 64 GB or larger size card.
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Offline AB52

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Re: differences between sound devices 702, 722,744,788
« Reply #6 on: April 03, 2011, 09:55:57 PM »
I stand corrected.  I just looked up the manual for the SD 702 and it will create a new file after hitting the designated gb limit (4gb being the largest file).

I think I had some old information.

So this is good news for someone wanting a 702.
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Offline rastasean

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Re: differences between sound devices 702, 722,744,788
« Reply #7 on: April 03, 2011, 09:59:54 PM »
The 72x are all two channel recorders with different ways to record with/out timecode?

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Re: differences between sound devices 702, 722,744,788
« Reply #8 on: April 04, 2011, 08:12:51 AM »
Quote from: rastasean on April 03, 2011, 09:59:54 PM
The 72x are all two channel recorders with different ways to record with/out timecode?

correct, final of three digits (so far) translates to the number of channels.
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Offline ben_r_

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Re: differences between sound devices 702, 722,744,788
« Reply #9 on: July 27, 2011, 05:28:37 PM »
Yes but someone please tell me where the 704 is! I dont need a hard drive, I can install on myself, and I dont need timecode, but four channels would be nice!
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Offline moooose

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Re: differences between sound devices 702, 722,744,788
« Reply #10 on: July 28, 2011, 03:53:54 AM »
Currently, to do that you need two 702s linked together....
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Re: differences between sound devices 702, 722,744,788
« Reply #11 on: July 28, 2011, 09:28:16 AM »
Quote from: ben_r_ on July 27, 2011, 05:28:37 PM
Yes but someone please tell me where the 704 is! I dont need a hard drive, I can install on myself, and I dont need timecode, but four channels would be nice!

Once you get to that level, the number of users who are looking for a hard driveless solution and aren't willing to pay the difference gets really slim. Knocking the drive and timecode off might save you $600. Off of a machine that's $4100 or so, that's not really a stopping point so there isn't a need to differentiate on the product.

Quote from: moooose on July 28, 2011, 03:53:54 AM
Currently, to do that you need two 702s linked together....

Correct, and that's about what it would cost too. On the used market, 2 702s is slightly cheaper then 1 744. Brand new, it's comparable. The advantage of having two separate boxes is when you want to run two recordings in different locations (e.g. impact zone FOB and a sbd patch, or on stage and room sound), the disadvantage is requiring twice the space in your bag and twice the (minimum) power.

If you want the SD sound and aren't doing stuff that is mission critical (in otherwords, you don't need the redundant power supply or media), then grab usbpre2s and a D50, some optical cables and a spdif cable. That's the cheapest way to do it (about $2k for the entire setup).
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Offline johnw

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Re: differences between sound devices 702, 722,744,788
« Reply #12 on: July 28, 2011, 03:09:56 PM »
A 744t new retails for $4100. 2 new 702s retail for $3750.

While 2 702s requires twice the space, you get 2 full sets of preamps whereas the 744t would require an external pre to run four channels, so there really isn't much space saved.

I agree that there wouldn't be much of a market for a 704.
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Offline ghellquist

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Re: differences between sound devices 702, 722,744,788
« Reply #13 on: July 29, 2011, 05:59:19 AM »
Note that there is no circuits inside the 702 to support an internal hard disc.
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Offline brewcrew87

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Re: differences between sound devices 702, 722,744,788
« Reply #14 on: July 30, 2011, 04:29:15 PM »
taylor c runs a 744t and schoeps mk4v and n222- that has to be close to $15,000...maybe in the furture but thats too rich for my blood now
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