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GB: SDTrans384 - A micro SD card digital transport

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C

CFT

Member
Joined 2006
1pekingroad.com/zaspx/replies.aspx?topicsno=4&subjectno=4934&uppersubjectno=4934
#1
Sept 25, 2015
A new batch is now available, same pricing & quantity discounts applied. Please contact Mr. Yamazaki directly if interested. 🙂
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Yamazaki san of Tachyon Limited is delighted to offer a group buy opportunity for the SDTrans384.

1) About the unit

SDTrans384 - a micro SD card digital transport:
http://www.diyaudio.com/forums/digital-source/142562-microsd-memory-card-transport-project-50.html

Description of the last batch on Tachyon's site.
Notice that you could specify the choice of display color.
Tachyon - SDTrans384

(Google translate)
https://translate.googleusercontent...4.html&usg=ALkJrhikiE9UavuOMsSVRrVupkMbUO6WWw

2) Details of the GB:

SDTrans384 .... JPY 49,800
SDTrans384 (with remote control) .... JPY 59,600
(USD1 = JPY102.6 as of Aug 14, 2014)

1-4pcs ...no discount
5pcs ... 5% off
10pcs ...10% off
20pcs …15% off
(over 20pcs reached , discount is now 20%)

3) Payment and shipping

Buyer to pay half of the total amount when ordering and remit the remaining balance at time of shipping.
Will take 1 to 2 months to manufacture the SDTrans384 units after receiving the group order.

Please indicate your interest here **AND MUST** also send a reservation email to Yamazaki san for the exact pricing and shipping information to your location. (His email address is sichoya <at> yahoo <dot> co.jp)

***For technical information and discussion please refer to the following thread***
http://www.diyaudio.com/forums/digital-source/142562-microsd-memory-card-transport-project-66.html
 
Last edited:
#7
■ Specifications

External interface
The 75Ω coaxial output with BNC connectors: S/P-DIF
(Only if PCM mode, sampling rate of 192kHz or less)
(DSD and I2S shared interface) MCLK, DCLK (64 fs), LRCK, SDAT: I2S
3.3V CMOS level output, LVDS output, PS-Audio equivalent
DSD: MCLK, DCLK, DSDR, DSDL
Diverted 3.3V CMOS level output, LVDS output, the interface of the PS-Audio equivalent
(DSD and I2S shared interface) SCL, SDA: I2C

Corresponding RIFF WAV file Sampling rate ... 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz
(Integer .32bit floating point support outside all) word size ... 8, 16, 24, 32 bit

Corresponding DSDIFF file Sampling rate ... 2.8MHz (DSD64), 5.6MHz (DSD128), 11.3MHz (DSD256)
image1s.jpeg


Compatible memory card
(MiniSD, microSD compatible adapter in combination) up to 2 GB ~ SD
(MicroSDHC compatible adapter in combination) up to 32 GB ~ SDHC

Supported file system
FAT16
FAT32

Power 5.0V ± 5%, 0.5A

Size*(Excluding connectors protrusions)
36mm vertical thickness 100mm × 160mm × horizontal
 
Last edited:
#8
Some question to the specs:
"Compatible memory card*
(MiniSD, microSD compatible adapter in combination) up to 2 GB ~ SD*
(MicroSDHC compatible adapter in combination) up to 32 GB ~ SDHC"

Mini SD is a disappearing format (likely very difficult to get cards in the near future) and is not supported by SDXC. Could one use micro SDXC with adapters?
Best would be a different (SDXC or micro SDXC ) memory card input for the next batch!

"Power*5.0V ± 5%, 0.5A"
I see recommendations using 3 (4.5V) or 6 (6V) battery supplies? These are more than 5% off 5V. What is the real Voltage limit?
 
#15
1) CFT x1 - with remote and white on black LCD
2) lancer x1 - remote only
3) cgraf x1 -without remote and black on red LCD
4) Monteverdi x1 -with remote, white on black LCD*
5) Myint67 x1 - with remote, Blue on white LCD
6) kambule x1 - with remote, black on red LCD
7) cyrilliu x1 - without*remote, black on red LCD
8) potstip x1 - without*remote, white on black LCD
 
#16
Correction

1) CFT x1 - with remote and white on black LCD
2) lancer x1 - remote only
3) cgraf x1 -without remote and black on red LCD
4) Monteverdi x1 -with remote, white on black LCD*
5) Myint67 x1 - with remote, Blue on white LCD
6) kambule x1 - with remote, black on red LCD
7) cyrilliu x1 - without*remote, black on red LCD
8) potstip x1 - without*remote, Black on White LCD (ホワイトバックLCD)
 
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