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Old 10th March 2008, 12:43 AM   #1
marcnyc
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Question Glyph PortaGig 7200 rpm BUS-POWERED? or other mobile 2.5" HDD?

Hello I need to buy a portabile small 2.5" HDD to record something remotely with Pro Tools.
I have a Mac BookPro with FW400 (but not FW800).
I am considering buying either the 7200rpm version of this:
Glyph PortaGig // FireWire 400. USB 2.0. Bus-powered.
or the 7200rpm version of this:
Glyph PortaGig 800 // FireWire 800. USB 2.0. Bus-powered.
and use it with a 800-to-400 adapter/cable while I still have this computer (planning to upgrade to the new Mac BookPro's with FW800).

I have simply three questions:

1. will these HDD's really work bus-powered or for audio you need to use a power adapter? does the track-count diminish if you use them bus-powered as opposed to with an AC adapter?

2. is this a good choice for purchase or do you guys know of other similarly small (ideally bus-powered) 7200rpm 400 or 800 drives?

3. does any of you guys own this? can you tell me a realistic track count at 24/88.2?


Thanks a lot for your answers.
By the way, I am in NYC and need to buy this tomorrow as I need to fly somewhere with it on Tuesday.
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Old 10th March 2008, 02:26 AM   #2
johnecon2001
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1) Those drives are truly buss powered. You will not lose tracks powering it like that.
2) The Glyph drives are really nice. But really expensive. A good Firewire/USB2.0 option would be the MacAlly 2.5" IDE enclosure here. Buy that and put any 7200RPM IDE drive in.
3) I'd have to use a calculator.. and I'm tired right now.
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Old 10th March 2008, 05:23 AM   #3
marcnyc
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Thanks for the reply.
I like the MacAlly enclosure but I need to buy something ready to go in a store on Monday for this last minute thing.
Also the MacAlly is only FW400...
Any other suggestions for other manufacturers out there?
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Old 10th March 2008, 10:13 AM   #4
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Mind that current Macbooks have a significantly reduced Firewire Bus Power supply (compared to e.g. older G4 mac laptops), which affects some FW audio interfaces and also FW disk drives. The supply may simply not be sufficient for the Glyph drives. Better ask them before you buy...
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Old 10th March 2008, 05:44 PM   #5
marcnyc
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Interesting point.
I will call Glyph...
Do you know where I can find the bus-power specs for the new and the old Macs?
Thanks
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Old 10th March 2008, 06:23 PM   #6
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If I understand correctly the new macbooks supply the "correct" power given the IEEE firewire spec. The powerbook/ibook series supplied more power than the IEEE spec at the time. Some devices took advantage of this extra power (e.g., Metric Halo MIO).

Soooooooo, when speaking with Glyph, the real question is whether the drive will operate on buss power as specified by the IEEE spec.

Please post your findings.

Thanks.
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Old 10th March 2008, 06:23 PM   #7
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Quote:
Originally Posted by marcnyc View Post
Do you know where I can find the bus-power specs for the new and the old Macs?
On Apple's website, I assume...
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Old 10th March 2008, 06:28 PM   #8
Jonathan Starr
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Has anyone tried the Western Digital Passport 250 or 320GB?

I'm looking to run it with a macbook and Logic to record 6 tracks in the field with an Ensemble Mobile.

They use USB rather than FW.
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Old 10th March 2008, 09:24 PM   #9
marcnyc
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I would NEVER rely on a USB hdd for audio! too slow
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Old 5th June 2008, 06:01 PM   #10
geetarplayer27
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Avastor PDX

You def don't want to mess with USB when recording audio. Avastor makes a pretty comparable drive called a PDX. It's a little cheaper than the glyph, but just as fast and reliable. Check 'em out here:

Avastor PDX-400100GB- Free Shipping at ProDataPlus.com
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Old 5th June 2008, 08:47 PM   #11
marcnyc
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Just to clarify, when I said bus-powered I meant powered by the FireWire bus, not the USB bus!
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