1. Retail Package - Installation
TEAC
DW-548D COMBO DRIVE -
Page 1
TEAC's
DW-548D combo drive, offers
high speeds for CD-R reading and writing, with speeds up to
48x and 24x speed for rewriting CD-RWs. For
DVD-ROM media reading offers speed at 16x.
Features
The DW-548D combo drive is an ATAPI/IDE device. It supports Mount Rainier
and write proof with no more buffer underruns. Bellow are presented the specifications
for
the
drive, as they have been declared
by
the manufacturer:
Specifications
Model: |
DW-548D |
Interface: |
IDE/ATAPI |
Write Speeds: |
CD-R: 48X max. (7.2MBps)
CAV CD-RW: 24X (3.6MBps) CAV |
Read Speeds: |
CD: 48X max. (7.2MBps) CAV
DVD: 16X max. (21.6MBps) CAV |
Digital Audio Extraction: |
48X max. (7.2MBps) CAV |
Access Time: |
CD: 120msec DVD: 140msec |
Data Buffer Size: |
2MB |
Buffer Management: |
Buffer Underrun Prevention |
Write Methods: |
Track at Once, Disk at Once, Multi-Session and Incremental |
Read Compatibility: |
8cm/12cm, Audio
CD, CD-ROM Mode-1, Mode-2 (Form 1, Form 2), CD-ROM XA, CD-R, CD-RW,
Video-CD, CD Extra/CD Plus, CD-I, CD-DA, CD-ROM, CD-TEXT,
DVD-ROM, single/dual layer,
DVD+R, DVD+RW, DVD-R, DVD-RW. |
Write Verification: |
Running Optimum Power Control to Dynamically Adjust Laser Write Power
Logical Recording |
Format: |
ISO 9660 and UDF Packet Writing
Drag and Drop Recording.EasyWrite (Mount Rainier) Supported |
Disc Loading: |
Power Loading Tray |
Front Panel: |
Built-in Headphone Jack, Volume Control Knob, Power Eject/Load Button,
LED Indicator |
Power Requirements: |
+12V DC and +5V DC |
Headphone Jack: |
3.5mm Diameter Stereo Jack |
Mounting Orientation: |
Horizontal or Vertical |
Safety Standards: |
UL, CSA, TUV |
MTBF: |
70,000 POH |
Dimensions: |
5.7”(W) x 1.63”(H) x 6.69”(D) |
Weight: |
2.0 lb |
The picture above shows us the features and specification of the device. It
supports region control RPC Phase II mode which means that user can change
region up to five times, including the initial setting.
- The drive
The
packing box contain the device, an interface and audio
cable,
the mounting screws, user's manual and warranty booklet. Inside the box there
are also TEAC's information CD-ROM, NERO 5 CD, WinDVD 4 CD and
one blank 80min. CD-R.
The drive's front panel is colored white.
On the tray door there are the DVD-ROM logo centered and the
Compact Disc ReWritable logo on the right.
Below and right, there is the eject button and from left to right there
is the headphone jack, the volume control and the activity/power led. The emergency
eject hole is up from the volume control.
On the rear panel there are
the analogue and digital audio outputs, the IDE interface
and the power input.
Removing the screws and opening the drive's cover voids the drive's warranty.
For reference reasons, we post the following pictures. Click on the photo for
an enlarged view.
- Installation
Connecting the device to the motherboard, using the interface cable and
starting the Windows, the drive identified as "TEAC DW-548D" as
you can see below. All tests were done with firmware revision K4H4.
The following pages include test results for TEAC DW-548D drive. For
measure reasons, we compare Teac`s results with two more combo drives, the
Optorite DC4801 and LiteOn TLC48161H.
2. Data CD Reading Tests
TEAC DW-548D COMBO DRIVE - Page 2
Data CD Reading Tests
- Pressed CD (Click for
CDSpeed results)
For pressed CD reading test, there wasn't much difference between the
drives. All drives confirms manufacturers specifications
for 48x reading.
The drives seek data about the same time, except 1/3 and full seek, were
Teac, is quite quicker between other two.
- CD-R (Click for
CDSpeed results)
We made a copy of the previous pressed CD in order to test the drive's behavior
with a CD-R media. The resulting speeds are very close to those of the test
with the original pressed media from above. This is good, steady behavior
with different media from all three drives.
Teac behave about the same when seeks data
from CDR media.
- ReWritable Media (Click for
CDSpeed results)
For the reading test
we used 24x High Speed rewritable media from Mitsubishi Chemicals.
Teac drive have about the same behavour with CDRW media
3. CD Error Correction Tests
TEAC
DW-548D COMBO DRIVE -
Page 3
Error Correction Tests
In the following tests we check the drive's behavior when reading
scratched / defective audio discs. Fot this test we use discs from the ABEX
series
from ALMEDIO.
- ABEX TCD-721R
Errors
total
|
Num:
175814921
|
Errors
(Loudness) dB(A)
|
Num:
831762
|
Avg:
-26.9 dB(A)
|
Max:
-5.6 dB(A)
|
Error
Muting Samples
|
Num:
369963
|
Avg:
1.2 Samples
|
Max:
3578 Samples
|
Skips
Samples
|
Num:
68
|
Avg:
729.1 Samples
|
Max:
2939 Samples
|
Total
Test Result
|
48.4 points (out of 100.0 maximum)
|
The performance here isn`t best, but has the average value. The total error
count is extremely high, as are the average and maximum loudness error level
at -26.9
dB and -5.6
dB respectively. The skipped samples are also high and the final score of 48.4
is a good indication of just how badly the drive performed. Please note that
the drive was very slow in the ripping process of the test disc. TEAC DW-548D
slows down the reading speed when the condition of the disc begun to be bad.
Although this strategy could be legitimate
in some cases offering accurate results, it turns out to be ineffective with
heavily scratched discs.
- ABEX TCD-726
Errors total
|
Num:
0
|
Errors (Loudness) dB(A)
|
Num:
0
|
Avg:
-174.0 dB(A)
|
Max:
-174.0 dB(A)
|
Error Muting Samples
|
Num:
0
|
Avg:
0 Samples
|
Max:
0 Samples
|
Skips Samples
|
Num:
0
|
Avg:
0 Samples
|
Max:
0 Samples
|
Total Test Result
|
100.0
points (out of 100.0 maximum)
|
The Abex TCD-726 test disc is much easier for drives in general to read.
TEAC DW-548D gets 100% with no error (loudness), muting and skips to the samples.
The drive
is able to accurately read scratched media, as far as the the
size of the scratch is lower than 1.500mm approximately.
- CD-Check Audio Test Disc
The CD-Check Test Disc is a very useful tool for evaluating the Sound Reproduction
/ Error correction capabilities of a CD player. The disc offers a signal combination
with disc error patterns to rate the drive's abilities to read music and reproduce
it completely. Five tracks on the disc contain a sequence of progressively
more difficult tests. These tracks are referred to as Check Level-1 through
Check Level-5.
The
tracks are reproduced (played) through a software multimedia player (i.e.
Windows Media Player). Each level is considered as passed, if the tone coming
out
from the speakers is smooth, continuous without interruptions, skipping or
looping. The higher the Check Level passed, the more reliable the sound reproduction
of the tested drive.
Error Level
|
1
|
2
|
3
|
4
|
5
|
TEAC DW-548D
|
5/5
|
5/5
|
5/5
|
5/5
|
0/5
|
The drive successfully passed four of the five check levels
for this test. Notice that the 5th check level has a scratch a size of 1.500
mm,
and it
is difficult to be read by most of the drives.
Hence, we can say that the drive is good for correcting
this type of defective disc.
- Summary
Test Disc
|
Reading Speed
|
Score
|
ABEX TCD-721R
|
Max
|
48.4
|
ABEX TCD-726
|
100
|
Average Score
|
74.2
|
So, summarizing we can say that the drive is good at correcting badly
scratched discs, coming with the average score at 74,2.
4. DVD reading tests
TEAC
DW-548D COMBO DRIVE -
Page 4
DVD reading tests
- Single Layer DVD-ROM (Click
for CDSpeed results)
In the DVD single layer read test, Teac performed almost identically
and confirm manufacturers specifications for 16x reading DVD-ROM.
There isn`t a big difference on seek times.
- Dual Layer PTP DVD-ROM (Click for
CDSpeed results)
The two layers of a PTP DVD-ROM disc are read sequentially with the drive
starting the read process from the inner tracks on the disc, which is the beginning
of each layer,
and progressing outwards towards the outer tracks for each layer.
Not a lot of difference between the drives.
So far, quite good times from Teac.
Once more, the Teac drive was about the same with the drives
with no remarkable difference.
- Dual Layer OTP DVD-ROM
The
first layer of an OTP dual layer DVD-ROM is readed exactly the same way as
the first layer of the PTP disc we tested previously. The difference here is
the
reading strategy
of the second layer on the disc. The beginning of the second layer is located
in the outer part of the disc, so the drive starts reading from the outer tracks
inwards towards the inner tracks of the disc.
TEAC reading the contents of this test disc, was fine. Reading starts
at 3.39x and begins increasing in speed, until meets the start of the second
layer. After that it starts decreasing the speed smoothly, until the end.
- DVD Ripping Tests
We measured the DVD-Video ripping speed of the TEAC DW-548D, using the
latest version of DVD Decrypter. The DVD Video title is the "Matrix" pressed
DVD-Video.
Teac proved very fast ripping the DVD title. Looking at the graph above,
the speed of 8900kb/s attained is a very high transfer rate.
- DVD Recordable / Rewritable reading Tests
The chart below shows the Nero CDSpeed average reading speed results with
DVD recordable and rewritable media.
The
drive read DVDR+RW at 8x CAV, with no problems at all, starting at 3,5x
speed. Same happens trying DVDR-RW. Both sets of test graphs are given in
each case below.
5. DVD Error Correction Tests
TEAC
DW-548D COMBO DRIVE -
Page 5
DVD Error Correction
Tests
In the following
tests we examined the DVD reading capabilities of the TEAC DW-548D drive
with scratched / defective DVD media. For the tests we used CDVD
Benchmark and Nero CDSpeed. The reference test media
come
from
ALMEDIO.
- Single Layer media
ABEX TDR-821
This is a single sided, single layer DVD-ROM with a 4.7GB capacity, and its
surface has an artificial scratch of dimensions varying from 0.4 to 3.0 mm.
The following transfer rate picture comes from the CDVD Benchmark v1.21 transfer
rate test.
The drive read the 821 test disc without reporting any reading errors. There
were no speed deviations while reading the defective areas on the disc's surface.
We consider that this drive accelerates up to 15x with DVD-ROM media.
ABEX TDR-825
This is also a single sided, single layer DVD-ROM of 4.7GB capacity. The
data structure of the disc is exactly the same as that of the TDR-821, with
the difference that there are no scratches on the surface and instead
defective areas ranging in dimensions from 0.5 to 1.1 mm. There
are also fingerprints with height
between
65 and
75 micrometers.
The drive managed to read the defective areas on the disc without problems.
Once again the reading speed accelerates up to 15x.
- Dual Layer media
ABEX TDR-841
This is an 8.5GB dual layer, single sided DVD-ROM disc with artificial scratches
of dimensions ranging from 0.4 to 3.0mm, on both layers.
The drive slowly starts reading from 4x speed and accelerates up to
8x mark, reading the first layer with no problems. Starting again
reading the second layer from 4x speed, drive freeze reading about the 3,000,000
sector number for long time giving to us many read and a couple of Abex errors
at 6x speed, but doing nothing more. Hence, we forced to eject the media tray
from the drive to continue testing.
ABEX TDR-845
This disc is a single sided, dual layer DVD-ROM disc with a capacity of 8.5GB.
The only difference between the TDR-845 and the TDR-841 is that the first includes
both defective areas and fingerprints. The dimensions of the defective areas
range from 0.5 to 1.1 mm and the fingerprints have height sized from 65 to 75
microns (micrometers).
Both layers were read at 8x speed. The defective area on to first layer,
did not pose a problem for the drive, but reading second layer the drive gave
to us an Abex error up to the same sector.This time finishes reading without
problem.
ABEX TDV-541
The
TDV-541 is a single sided, dual layer DVD-VIDEO disc, with a capacity of 8.5GB.The
disc is based on the TDV-540 series which is designed for inspection
and adjustment of DVD-VIDEO players. The disc checks the layer switch operation
from layer 0 to layer 1 and also includes test pictures and test signals for
DVD sound files. The current TDV-541 also checks the error correcting
capabilities of the drive and includes scratches sized from 0.4 to 3.0 mm.
The drive read the TDV-541 test disc without reporting any errors. Playing
the disc through PowerDVD confirmed that both layers were readable.
ABEX TDV-545
The
TDV-545 disc is based on the TDV-540 series. It is a single sided, dual layer
Video/S-2 disc with a capacity of 8.5GB. The TDV-545 includes artificial
black dots on the disc's surface, sized from 0.4 to 1.0 mm. It also has 65
- 75 micrometer high fingerprints.
This disc seems also to be no problem for TEAC drive. The black
dots and fingerprints were bypassed without outstanding problems.
6. Protected Disc Tests
TEAC
DW-548D COMBO DRIVE -
Page 6
Protected Disc
Tests
- Reading Tests
To create an image of the various protected titles onto a hard disk, we
used CloneCD v.4.3.1.9 software and the appropriate settings, depending on
the protection
type of the inserted discs. Below are summarized the capabilities of the TEAC
drive, according to CloneCD software. The summary below shows that the drive
supports writing of CD+G under RAW DAO:
The game titles we used for each protection scheme are given in the
table below:
Game Title
|
Protection Scheme
|
PSX "NBA Jam Extreme"
|
Lybcrypt
|
Serious Sam The Second Encounter v1.07
|
SafeDisc v.2.60.052
|
VRally II
|
SecuROM v.2
|
PSX Pressed Media
SafeDisc v.2
SecuROM v.2
Teac managed to rip the contents of all game titles tested. It gave acceptable
ripping performance with PSX ripping and SecuRom
protected
games. However it was not to slow with SafeDisc. It displayed similar performance,
reporting almost the same times as the other drives.
- Writing Tests
TEAC DW-548D supports the DAO-RAW writing mode.
For checking the drive's Bypass EFM Error correction status, we used 3 different
game titles with two different SafeDisc versions with the latest software
patches installed.
After making the images of the various titles to the hard disk, we burned them
(maximum speed) with Alcohol 120%. Two different discs were created for each
title, one with the "Bypass EFM Error" enabled and one more with
the
function disabled.
The table below shows the results of the attempted backups and whether
they ran (game installed / played normally), or not.
Drive |
Game Title |
SD2 Build |
Settings |
Bypass EFM Error Sectors On
|
Bypass EFM Error Sectors
Off
|
TEAC DW-548D |
Max Payne |
v2.51.020 |
Yes |
Yes |
Serious Sam - The Second Encounter
v1.07
|
v.2.60.052 |
Yes |
Yes |
The Sims Unleashed |
v.2.8 |
Yes |
Yes |
The Sims Superstar |
v2.9 |
Yes |
Yes |
7. CD-DA - DAE Tests
TEAC
DW-548D COMBO DRIVE -
Page 7
DAE Tests
- Pressed and CDR AudioCD results
The TEAC DW-548D uses speed of 48x CAV reading type, for CD-Audio reading.
Below is the resultant output from the CDSpeed transfer rate test with a pressed
audio CD.
According
to Nero CDSpeed, the average reading speed was 37.09x, while the reported
seek
times were rather good. This test confirmed the drive's 48x reading speed reaching
a final speed of 49x!
We ripped the contents of the same audio disc to our hard disk, using the
CDDAE software. The average ripping speed (burst mode) of
32,1x, wasn`t to slow, comparing with the other two drives.
The same pressed audio disc was copied onto a CD-R and was
read again with CDspeed. Once again Teac has about the same performance.
- Advanced DAE Quality
In the Nero CD Speed Advanced DAE test, the Teac drive returned
an average speed of 34.3x, which is acceptable performance, and a quality
score
of 100. CDSpeed reports that the drive can read Leadin,
Leadout, Cd Text and Subchannel Data.
- Support of 90/99mins AudioCDs
TEAC rip the full contents of our 90/99min test discs. We tried
to playback the discs using Media Player and all media was playable.
- Reading/Ripping Protected AudioCDs
For the test procedure we used two audio discs with different
audio protection schemes. We tested for both recognition and
ripping to the hard disk. The software used was Exact Audio Copy.
* Pressed Audio disc protected by Sony Key2Audio (Celine
Dion - New Day
Has Come)
* Pressed Audio disc protected by Cactus Data Shield 200 (Natalie
Imbruglia - White Lilies Island)
|
Key2Audio |
CDS200 |
EAC |
TEAC DW-548D
|
OK
|
Recognized the disc but cannot rip
or play the contents
|
Optorite DC4801
|
OK
|
OK
|
LiteOn LTC 48161H |
OK
|
Recognized the disc but cannot rip
or play the contents
|
TEAC DW-548D performed well with our Key2Audio disc, which it managed
to read and rip. This wasn't the case with our other audio CD, with CDS200
protection,
where the disc was recognized by TEAC drive, but unfortunately it could
neither rip or play the contents of the specific disc. This was also the case
with the LiteOn drive, while the Optorite managed to rip and play both discs.
8. CD Recording Tests
TEAC
DW-548D COMBO DRIVE - Page
8
CD Recording Tests
- CD-R Writing Tests
TEAC DW-548D supports 4x, 8x, 12x, 16x, 24x, 32x, 40x and 48x CAV
writing speeds. Below you can see the CDSpeed writing simulation graph with
Taiyo Yuden
48x CD-R
media.
The
writing process began at 21.73x and finished at 49.02x, reporting an average
recording speed of 37.12x. According to this, the manufacturer's specification
of 48x recording is confirmed.
- Recording Times
We created an 80min data compilation with Nero Burning Rom and write it
on a 700MB disc. The drive's time was 2:56 minutes, at 48x
writing speed. The performance is good for 48x recording speed.
Below are the whole writing times giving to us the device, using Taiyo
Yuden media.
The following graph showing us, recording times with
various media brands. We selected the maximum speed (48x) for all the recorded
discs:
- CD-RW Writing Tests
The
TEAC DW-548Dsupports 24x CAV maximum rewriting speed,
with Ultra Speed rewritable media. Below
are the results from the CDSpeed writing simulation test with blank
24x US-RW media from Mitsubishi Chemicals.
The test once again confirmed the drives specifications for 24x rewriting.
The burning procedure started at 10.93x and finished at 24.53x having an average
speed of 18.59x.
We also used Nero Burning Rom software to burn a data disc
using 24x US-RW media from Mitsubishi Chemicals. The data compilation, which
we burned, had a size of 651 MB. The duration of the recording process was
4:53 minutes.
Just for comparison, we provide the rewriting time of the Teac
drive against those of Optorite and LiteOn, as mention before,
on introduction.
- Packet Writing Tests
Using InCD and Mitsubishi Chemicals 24x US-RW media for all Packet Writing
tests, we copied a 403 MB
file (412.822 KB) from Hard Disk (on the same PC as the recorder) to the formatted
RW media through Windows
explorer (drag and drop).
Options |
Operation
|
Duration
|
Average speed
|
MRW |
Read
|
6:51 min
|
6,7x
|
Write
|
3:46 min
|
12,2x
|
InCD |
Read |
4:31 min |
10x |
Write |
3:30 min |
13x |
- Other features
Overburning
|
Up to 99 min
|
CD text reading/writing
|
Yes
|
9. 3T Jitter Tests - Page 1
TEAC
DW-548D COMBO DRIVE -
Page 9
Writing Quality Tests - 3T Jitter Tests
On an 80min 48X CD-R disc from Taiyo Yuden we burned the same AudioCD
project at 4x, 8x, 12x, 16x, 24x, 32x, 40x and 48x. The 3T
Pit & Land Jitter graphs are presented here.
- 3T Pit results
Looking at the graph above, we can conclude that Teac drive
didn`t performed well at high recording speeds, keeping the jitter levels
above the Redbook limit of 35ns, except for 8x, 12x, 16x and 24x speeds.
The average
3T Pit Jitter values for all recording speeds are illustrated in the following
table.
The average Pit jitter for recording speeds of 24x and over is
satisfactory, except 4x, and very good for those below.
- 3T Land results
Only for 16x recording speed, the performance is good. 8x can also
be considered acceptable even though it oversteps the mark with 36,8ns. At
all other
speeds,
the Land jitter performance is not good reaching a high of 42,17ns at 48x speed.
The following average values graph confirms the unacceptable levels at the
higher speeds. At such levels, the possibility of errors or even audible clicks
during playback
is increased.
Recording Speed
|
Average 3T Pit Jitter (ns)
|
Average 3T Land Jitter (ns)
|
> 35ns
|
Max 3T jitter values (ns)
|
4X
|
36,20 |
40,44 |
Yes |
43 Pit, 46 Land
|
8X
|
33,10 |
36,80 |
Yes |
44 Pit, 45 Land
|
12X |
32,90 |
39,41 |
Yes |
37 Pit, 42 Land |
16X
|
31,93 |
31,93 |
No |
38 Pit, 38 Land
|
24X
|
34,22 |
37,17 |
Yes |
39 Pit, 40 Land
|
32X
|
38,02 |
39,44 |
Yes |
40 Pit, 42 Land
|
40X
|
40,93 |
40,80 |
Yes |
53 Pit, 48 Land
|
48X |
45,61 |
42,17 |
Yes |
65 Pit, 64 Land |
- Summary
With TEAC DW-548D is obvious that, at low and high recording
speeds we have high jitter levels and with the case of land jitter, the
levels
are unacceptable. The device gave us good results only at the speed of 16x.
The following page where we check the jitter levels produced on various manufacturers
discs,
should
give
a better
indication
of the
writing
quality
level
of
the
drive.
10. 3T Jitter Tests - Page 2
TEAC
DW-548D COMBO DRIVE -
Page 10
Writing Quality Tests - 3T Jitter Tests
The same Nero compilation used in the previous jitter tests was used once
again, this time with media from different brands. The recording speed was
the maximum
48x in all cases. The following graphs show the 3T Pit & Land Jitter results.
- 3T Pit results
With all the media brands used with Teac drive, the jitter levels were
quite good. Ritek, Maxell and Mam media produced levels
up from 35ns limit.
The average 3T Jitter values for all manufacturers discs are illustrated in
the following graph.
- 3T Land results
Once again the device gave low land values only with two media,
having Mam, Maxell and Ritek with high jitter values, as we can see above.
The average values presented below illustrates the drives recording ability.
Recording Speed
|
Average 3T Pit Jitter (ns)
|
Average 3T Land Jitter (ns)
|
> 35ns
|
Max 3T jitter values (ns)
|
CMC 48X |
30,63 |
30,12 |
No |
34 Pit, 35 Land |
Maxell 48X |
37,68 |
37,68 |
Yes |
37 Pit, 38 Land |
Mam 48X |
40.44 |
38,29 |
Yes |
35 Pit, 34 Land |
Ritek 48X |
38,17 |
36,20 |
Yes |
30 Pit, 31 Land |
Hi Space 48X |
34,59 |
34,27 |
No |
40 Pit, 48 Land |
- Summary
Generally, from this series of tests, we can conclude that the drive isn`t
the best CD recorder, as we had expected slightly better results. CMC and Hi
Space
discs gave best results, recorded
at full 48x. On the following page we check the C1 and C2 error rates for the
same discs. These are the last of the quality tests.
11. C1 / C2 Error Measurements
TEAC
DW-548D COMBO DRIVE -
Page 11
Writing Quality Tests - C1 / C2 Error Measurements
The C1 / C2 error rate was measured for the recorded discs burned during the
previous writing tests (jitter). The software used was UMDoctor Pro II, and
the reader was the Optorite DD0203 drive.
-
Taiyo Yuden 2-48x recorded at 4x
-
Taiyo Yuden 2-48x recorded at 8x
-
Taiyo Yuden 2-48x recorded at 12x
-
Taiyo Yuden 2-48x recorded at 16x
-
Taiyo Yuden 2-48x recorded at 24x
-
Taiyo Yuden 2-48x recorded at 32x
-
Taiyo Yuden 2-48x recorded at 40x
-
Taiyo Yuden 2-48x recorded at 48x
-
Maxell 48x recorded at 48x
-
CMC Magnetics recorded at 48x
Below is presented information on the CD-R
media used in this test.
The results are good with all media brands. The C1 levels are all
low, except the Taiyo Yuden at 48x writing speed and MAM, at the same speed.
C2 errors noticed at the end of reading area, on MAM's and Ritek's media.
Generally the drive performed well.
TEAC's DW-548D drive, is another one combo drive out to market antagonism.
It claims a nice stand out there, having reading speed at 48x for CD-ROMs,
24x for CD-RWs and 16x for DVD-ROMs. Also supports most read featsures, having
buffer underrun protection, plus Mount Rainier.
Testing the drive we show common results for reading media, but very good
results when drive seek data. When it meets badly scratched discs the drive
start
to read slow, trying to get accurate data, finished with succes and having
high average score
at 74,2%.
The behavior with our Audio
CD's during the error correction tests was quite good,
reading up to the 4th level but no the 5th (1,500mm scratch). All
of our test for DVD's, played successfully on the drive without any errors
to be reported, except dual layer PTP media were the second layer can`t be
readed, making the drive reading long time the same area without succes. This
drive gave us an outstanding high transfer rate result, ripping test DVD
media.
With
protected disc backups, the drive make it good. The
drive was in most instances fast with ripping the game titles we tried, giving
good manage and nice performance.
Teac`s drive gave us average ripping speed at 32,1x for audio extraction
and quality at 100. Also drive rip full contents of 90/99min disc. Unfortunately
the drive didn't manage
to
play/rip
the CDS200
protected
Audio CD, thing that didn't happen with Key2AudioCD.
From writing tests, we generally saw good performance, with good
recording times and the tests confirmed the manufacturers specifications.
Teac succesfully complete overburning writing up to 99min media.
As far as CD writing quality is concerned, from the measurements that we did
with various manufacturers media, it can be generally said that it had
a good average. Unfortunately, we only have good writing results (low jitter
value), when writing
speeds are around the middle of the speeds, which drive offers. The C1
levels were good, while there were no C2 errors reported, if we put out Mam`s
and Ritek`s media.
The drive's price on the market is around $67,44~89. Maybe with a bit of
searching you may be able to find lower prices.
Summarizing i can say that Teac`s drive is a nice device for home use and
covers with succes more than 70% of the works that it has to do.