Teac DW-548D
10. 3T Jitter Tests - Page 2
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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.
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