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Author Topic: Mix-Pre 3/6 SD Memory Cards (What works and what doesn't?)  (Read 1974 times)

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Offline jerryfreak

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Re: Mix-Pre 3/6 SD Memory Cards (What works and what doesn't?)
« Reply #15 on: September 07, 2019, 03:07:47 AM »
Mix-Pre type: 6, FW 3.03, preroll off
Manufacturer: Lexar
Model: Professional 1667x 128GB SDXC UHS-II/U3 Card,  purchased 9/2019 from Amazon (directly), $37.99
https://www.amazon.com/dp/B07NLY7N7L

Model number: LSD128CBNA1667
Card Size: 128GB (119GB usable)
Country of Origin: Korea
Class: UHS-II, V60, U3, class 10
Serial #: L041887 00972-V60-128BML A 1919B
Tested speed (h2testw on Lexar SR2): Writing speed: 81.3 MByte/s, Reading speed: 147 MByte/s
(please note this was a UHS-II card on a proper reader with the additional pins that mixpre doesnt support)

Recording Format (Bit Depth/Sample Rate):24/192
Available recording time on full card at stated bitrate: 7h22m
Number of Channels: 8 (6 iso+mixdown)
Phantom (On/Off): 4 channels on

Test #1: card quick-formatted in mix pre
Result: FAILED:Record Buffer Error. after 4h55m of recording. Filled rest of card without issue

Test #2: card slow-formatted as exFat, default 128kilobyte allocation size
Result: FAILED:Record Buffer Error. after 2h24m of recording. then again after 1 minute of recording(!). Recorded rest of 5 hour card capacity without incident

« Last Edit: September 08, 2019, 10:56:13 PM by jerryfreak »
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Offline jerryfreak

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Re: Mix-Pre 3/6 SD Memory Cards (What works and what doesn't?)
« Reply #16 on: September 07, 2019, 01:32:54 PM »
Mix-Pre type: 6, 6, multiple firmwares (see below)
Manufacturer: SanDisk
Model: Extreme Pro SDXC UHS-I Card,  purchased 9/2019 from Amazon (directly), $39.99
https://www.amazon.com/gp/product/B07H9DVLBB

Model number: SDSDXXY-128G-GN4IN
Card Size: 128GB (119GB usable)
Country of Origin: China
Class: UHS-I, C10, U3, V30, 4K UHD
Serial #: BP1922852852G
Tested speed (h2testw on Lexar SR2): Writing speed: 60.9 MByte/s, Reading speed: 73.5 MByte/s
Recording Format (Bit Depth/Sample Rate):24/192 (except test 4 which was 24/96)
Available recording time on full card at stated bitrate: 7h31m
Number of Channels: 8 (6 iso+mixdown) (except test 4 which was 6 channels of iso only)
Phantom (On/Off): 4 channels on

Test #1 - FW 3.03, pre-roll off, quick-formatted on mixpre
Result: FAILED:Record Buffer Error after 3h55m, and subsequently after another 58 min of recording. test aborted shortly after due to low battery

Test #2 - FW 3.30, pre-roll off, slow-formatted on windows to exFat default (128kbyte allocation size)
Result: FAILED:Record Buffer Error after 2h02m, and subsequently after 31 mins, 14 mins, 24 mins, 14 mins, 11 mins, 6 mins...aborted test and ran h2testw on remaining space on card. it wrote the rest of the card out at 66.4 MB/sec

Test #3 - firmware 2.21, quick formatted on mix pre
Result: FAILED:"SD Warning - media is too slow" error after 2 minutes and subsequently after 66 min, and 56 min, test aborted

Test #4 - firmware 2.21, immediately after test #3, reduced bitrate to 6 channels at 24/96
Result: FAILED:"SD Warning - media is too slow" error after about 7 hours (card capacity 20 hrs in this case)

« Last Edit: September 12, 2019, 06:37:10 AM by jerryfreak »
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Offline jerryfreak

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Re: Mix-Pre 3/6 SD Memory Cards (What works and what doesn't?)
« Reply #17 on: September 11, 2019, 12:08:26 AM »
Mix-Pre type: 6, multiple firmwares (see below)
Manufacturer: SanDisk
Model: Extreme Pro SDXC UHS-I Card,  purchased 9/2019 from Amazon (directly), $20.49
https://www.amazon.com/gp/product/B07H9J1YXN

Model number: SDSDXXY-064G-GN4IN
Card Size: 64GB (59.4 GB usable)
Country of Origin: China
Class: UHS-I, C10, U3, V30, 4K UHD
Serial #: BN1919252233G
Tested speed (h2testw on Lexar SR2): Writing speed: 63.0 MByte/s, Reading speed: 73.1 MByte/s
Recording Format (Bit Depth/Sample Rate):24/192
Available recording time on full card at stated bitrate: 3h45m
Number of Channels: 8 (6 iso+mixdown)
Phantom (On/Off): 4 channels on

Test #1 - firmware 3.03, preroll off, quick-formatted on mixpre
Result: FAILED:Record Buffer Error after 2h35m, and subsequently after another 6 min, 6 min, and 17 min of testing. test aborted

Test #2 - firmware 3.03, preroll off, quick-formatted on mixpre
Result: FAILED:Record Buffer Error after 52m, and subsequently after another 10, 17, 36, 5, 12, 10, <1 (seconds),  of testing. test aborted

Test #3 - firmware 2.21 quick-formatted on mixpre
Result: FAILED:"SD Warning - media is too slow" error after 24m, and subsequently after another 0.5seconds, 20 min, 10 min, and 1.5 seconds  of testing. test aborted


« Last Edit: September 11, 2019, 08:18:18 PM by jerryfreak »
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Offline justme

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Re: Mix-Pre 3/6 SD Memory Cards (What works and what doesn't?)
« Reply #18 on: September 11, 2019, 01:14:03 AM »
Mix-Pre type: 6, FW 3.03, preroll On
Manufacturer: SanDisk
Model: SanDisk 16GB Extreme UHS-I SDHC Memory Card (Class 10)
https://www.bhphotovideo.com/c/product/828325-REG/SanDisk_SDSDRX3_016G_A21_16GB_SDHC_Memory_Card.html
End of life since many years.

Model number: SDSDRX3-016G-A21
Card Size: 16GB
Country of Origin: China
Class: UHS-I, U1, class 10
Serial #: BL1210522025G
Tested speed BlackMagic Disk Speed Test: Writing speed: 39.2 MByte/s, Reading speed: 43.8 MByte/s

Recording Format (Bit Depth/Sample Rate):24/192
Available recording time on full card at stated bitrate: 45m
Number of Channels: 8 (6 iso+mixdown)
Phantom (On/Off): 4 channels on

Result: Success. Filled the card with 60 minutes of recording.
Although 1 hour might not be that much to celebrate over. 

« Last Edit: September 11, 2019, 01:56:04 PM by justme »

Offline jerryfreak

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Re: Mix-Pre 3/6 SD Memory Cards (What works and what doesn't?)
« Reply #19 on: September 11, 2019, 06:39:52 PM »
yes it seems most tests ive done on 3.03 fail after 1 hour, smaller cards have an advantage (the lone one i qualified was a 32GB)

i just downgraded to 2.21 and will be updating the test reports above as testing occurs
in:
small: MK4/4V > CMR > V3 or J.Williams Mod MicMan Jr or no pre at all >AD2K/R07/PCM-A10/Oade Warm 661/DR100-MKIII

smaller: 4061/4099 CORE or 4011/4018V> d:vice MMA



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