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non-profit ver.3 TDA1541a DAC for limited budget diyers

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Hi MGH,

actually if U like to ask my opinions. I will choose 8414. But 8412 was same period of 1541a & SAA7220.( around 1990~1993).
Some diyers thought all chips of te Dac use back the vintage chips so they suggest choose 8412 chips. 8412 chips that I choose was 8412-IS. It was industrial grade chips. more stable in high temp rating. there will USD 2 different, Cs8412-IS was higher grade than standard CS8412-CS. small amount production so will little bit expensive USD 2 per chips.

thx

thomas
 
hi keith collins(kcollins),

your ver.2 I use standard airmail parcel post to U. normal need two weeeks. Now is one week only. May be wll arrived several days later . I post to your california address. Pls understand all then previous buyer of old ver.DAC not need to pay much money for the upgrade. I will post one set of the PCB, one 7220 chips to u in free, U only pay the extra posage only.

Diy is not a career, its only a hobby, interest hobby!!!!


thx

thomas


All will be same.
 
hi MGH,

No, I mean standard price will follow with CS8414 CS- If like to exchange to CS8412-IS will add USD 2. If U like to order one extra CS8412-IS with the adapter & chips.Pls add USD 10 for one extra CS8412-IS with adapter & gold Pins. CS8414-CS was a popular chips but CS8412-IS is not if compare with CS8414-CS.
CS8412-IS is expensive than CS8414-CS from local dealer.

thx

thomas
 
hi newbie88,

if had interest , pls sign up. step by step first, Ok. I was part time hobby for this.

after accumulate the orders, confirm payment received. almost need 4~5 weeks arrived your hand.

today I still talking with the factory, they said after confirm the order, 50 pcs need 3 weeks funish & test. after send to my production line. It need one week for packing. & post to hong kong. I will use airmail post to all diyers. Normal need 10 days arrived diyers hand. If need facter, pls added USD 5 change to EMS mail.

if diyers like to fully assemble the kit??

pls considerate added USD 10 only. I will directly solder the ELNa silmic caps into the PCB to all diyers.


pls reg. if U had interest, keep contact, speaker kit will continous with dac. OK??

thx

thomas
 
hi MGH,

I need to check my stock first. If I can found same date code 8 pcs in my stock, I will sold U, Ok. If not, there will effect the performance. i hope U happy to buy my products!!

is it Ok??

BTW, This is the coming speaker kit MID-low bass driver.

with the chassis previous posted.

newbie88, do u love it.

this is special order driver low leakage of magnetic flux, can use as high end AV speaker beside the television.

thx

thomas
 

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Hi, this morning I made along distance to factory already.

I not like the diyers waiting to long time.

dead line of phase 1 for this grop buy will on 2006~06~01.

payment pls confirm before 2006~06~03.

Pls let me know U like the kit or full assemble. This will USD 15 different.

THis DAC will despatch on 2006~06~30.

Will choose standard airmail parcel to all ordered diyers. If lke to change EMS method pls added USD 7 for the additional charge. I suggest choose EMS because it will had trackin no for easy trackng.

for standard set will USD 110+1.5% paypal charge. Since this is non profit DAC project. Pls consent.


Phase 1 will prepare 30 sets.

now total order include Hong kong people directly email to me will reach 24 sets already.
If like t collect on the above time. Pls free to reg. for the remain 6 sets. Excess orders will put into the phase II. This will be fair to all diyers.


thx

thomas
 
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