Panasonic UJ-830 DVD Writer
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What is the DVD Write speeds? CAV, CLV, PCAV, ZCLV. Read our DVD Writer colum explanation.
|1 DVD Writer hits, Showing 1 to 1 DVD Writers||
CDR, DVDR, BDR, HDDVDR
|Slim EIDE, 2MB
| DVD Media
comments for this DVD Writer (click on the link to
read the comments):
1 Datawrite Titanium 8xDVD-R (CMC MAG. AE1) comments, 0 good, 0 mixed, 1 poor.
1 PC Line 4xDVD+RW (OPTODISCOP4) comments, 0 good, 0 mixed, 1 poor.
1 QP 4xDVD+R (AML.....001) comments, 0 good, 1 mixed, 0 poor.
1 Samsung (Pleomax) 8xDVD+R (OPTODISCOR8) comments, 0 good, 0 mixed, 1 poor.
1 Tevion 8xDVD+R (RICOHJPNR02) comments, 1 good, 0 mixed, 0 poor.
1 Verbatim (DataLifePlus) 3xDVD-RAM (M01J3002) comments, 1 good, 0 mixed, 0 poor.
1 Verbatim (DataLifePlus) 3xDVD-RAM (M01J3003) comments, 1 good, 0 mixed, 0 poor.
1 Verbatim (DataLifePlus) 4xDVD-R (MCC 01RG20) comments, 1 good, 0 mixed, 0 poor.
1 Verbatim (Pearl White) 8xDVD-R (RITEKG05....) comments, 0 good, 1 mixed, 0 poor.
Post your DVD Media comments here
long term stability of all media is flawless so far. However I would still go for the Ricoh Media if I could get them.
Regarding Verbatim DVD + and - media:
I had burnt several, especially +, at the beginning of this year (2x, burning faster was no good at all) which were not fully readable in any drive except the burner itself. Well, the situation has changed. Now 10 months later all these media are readable, and not even just readable, but quite ok. They all play now on my DVD player. It's weird that the discs get better with time, usually it's vice versa. But I think it proves the fact that the firmware can not handle these media well.
Had some CMC media recently (again Aldi) which worked ok at 4x burnspeed, faster not recommended.
My favorite RW Media are still Verbatim DVD+RW 4x. Almost same price as regular R media, should last longer than R media and always readable at 16x. My DVD player plays them as well ;o)
Hey guys, if anybody finds a firmware upate, or region free, please leave a note here. I guess that's why most people come to this page. And keep emailing Panasonic for a firmware update !
still rate it 9 since I haven't had a single coaster so far :o)
Comments posted by Henry from Germany, December 20, 2005. Rated this writer 9 of 10.
Comments posted by Chris Bingham from United Kingdom, August 31, 2005. Rated this writer 10 of 10.
best media for this burner is RICOHJPNR02
I have burnt at least 50 pcs. and all of the work perfectly at highest read speed in any drive I have tested.
Right now I am testing Ritek media R03 since my Aldi store here changed from Ricoh to Ritek :o(, but the 8x Ritek media is only recognized at 6x.
Result for Ritek is the lower the burn speed the better the result, 6x readable but slow, 4x seems to be acceptable. 2x for best result. medium read speed on my old toshiba 1612
One outstanding 'feature' of this burner is definetely that I haven't had a single coaster so far, no matter how good or bad the media quality was.
I rate it 9 because there are media that work perfectly (once you find them), it is an excellent reader and no-coaster burner.
bad is the firmwareupdate policy of matshita, there are no updates. many cheap media only recognized at slowest speeds. good media (see post above) like Verbatim (MCC) or TDK can only be read ok by the burner itself.
Comments posted by Henry from Germany, June 10, 2005. Rated this writer 9 of 10.
best reader I've ever seen. reads CDRs without problems that are not even recognized, or completely unreadable on other drives like Ricoh, Yamaha, Toshiba, etc.
does not like Verbatim DVD + or - media :o( the burner can read back without problem, but the discs will hardly work anywhere else. + work better than -
so far CMC AF1 work best (Imation), but I don't know the long term stability.
results with verbatim DVDRW + or - are awesome !
slow burner, since it's CLV only. uses several zones of different constant speed.
takes forever to load media.
resfuses to burn a lot of media (Moser Baer, Plasmon) at the rated speed. firmware still 1.0, no updates available.
Comments posted by Henry from Germany, February 05, 2005. Rated this writer 8 of 10.
| Column Explanation:
Click on this for more technical information.
New comments= New comments since your last visit.
New Writer = New DVD Writer since your last vist.
Original Equipment Manufacturer.
The manufacturer of the main chipset the DVD writer/recorder is based on.
Write support / Read support
DVD-R = Works
DVD-R? = Not tested
Single Layer(4.7GB) write speeds
1x (CLV) = about 58 minutes
2x (CLV) = about 29 minutes
2.4x (CLV) = about 24 minutes
4x (CLV) = about 14.5 minutes
6x (CLV/ZCLV) = about 10-12 minutes
8x (PCAV/ZCLV) = about 8-10 minutes
12x (PCAV/ZCLV) = about 6.5-7.5 minutes
16x (CAV/ZCLV) = about 6-7 minutes
Dual/Double Layer(8.5GB) write speeds
1x CLV = about 105 minutes
2.4x CLV = about 44 minutes
4x CLV = about 27 minutes
Single Layer (4.7GB) read speeds
1x read speed is 1.321MB/s = ~56 minutes
6x CAV (avg. ~4x) read speed is max 7.93MB/s = ~14 minutes
8x CAV (avg. ~6x) read speed is max 10.57MB/s = ~10 minutes
12x CAV (avg. ~8x) read speed is max 15.85MB/s = ~7 minutes
16x CAV (avg. ~12x) read speed is max 21.13MB/s = ~5 minutes
DVD Write types
CAV = Constant Angular Velocity, the DVD is written at a constantly increasing speed.
CLV = Constant Linear Velocity, the DVD is written at a constant speed.
ZCLV = Zone Constant Linear Velocity, the DVD is divided into zones. After each zone the write speed is increased.
PCAV = Partial Constant Angular Velocity, the DVD is being written at an increasing speed until a certain speed. After this speed it will not increase anymore.
Desktop = Standalone desktop DVD Recorder
EIDE = Computer DVD Writer with EIDE/IDE connection
SCSI = Computer DVD Writer with SCSI connection
USB = Computer desktop DVD Writer with USB 2.0 or/and 1.1 connection
FireWire = Computer desktop DVD Writer with IEEE 1394/FireWire/i.Link connection (some standalone desktop dvd recorder supports this also but then it is usually to connect your DV camera to the recorder)
The first rating is based on a weighted rank (the true Bayesian), it requires at least 5 votes to get a weighted rating.
The second rating between the ( ) is a normal average rating.