There are people in need of guidance when building FETZILLA.
It can be for you who bought through group buy and for anyone else.
Here in Solid State are those who can best answer.
Enjoy!
It can be for you who bought through group buy and for anyone else.
Here in Solid State are those who can best answer.
Enjoy!
Thanks for this as I am on the list for boards in the FetZillagroup buy 5
Looks like an interesting design.
Blessings, Terry
Looks like an interesting design.
Blessings, Terry
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Meanman1964 had stated that he is using an SMPS for his latest FetZilla. Looks very interesting. Unfortunately, it appears that the +-38V SMPS only come in a 230V version. If anyone know of one in 115V please post a link. I am interested in trying this myself.
Blessing, Terry
Blessing, Terry
It seems the distributor(which is US-based) for that SMPS has a 115V version. I can try to dig up the link tomorrow, but if you want you can try googling Connexelectronic. I believe the part no. is SMPS300RE.
Funny, I had googled that yesterday, visited their site and couldn't find it. Today I was able to order one. Should have it in a couple weeks. I want to try it out on one of my VSSA's as well.
Blessings, Terry
Blessings, Terry
I bought mine at Audiophonics - Câbles, Amplificateurs et Accessoires DIY
Have to check but I thought there is a way to use 110Volt mains by removing a jumper
Have to check but I thought there is a way to use 110Volt mains by removing a jumper
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Yeah bummer, I just got a reply from Eastern_audio on ebay. They have the 110v version in stock in their Oregon office. The shipping would have half as much and I would have received it twice as fast. Haste makes waste. ;(
Hello
Could this amp drive Ushers CP 6371 (4 ohm 90 db, double 7inch woofers + tweeter) ?
Unfortunatelly i do not have any measurements for their behavior over the spectrum.
I'd apprecciate your advice and i apologize in advance if this not an appropriate thread for this question.
Thanks in advance
Could this amp drive Ushers CP 6371 (4 ohm 90 db, double 7inch woofers + tweeter) ?
Unfortunatelly i do not have any measurements for their behavior over the spectrum.
I'd apprecciate your advice and i apologize in advance if this not an appropriate thread for this question.
Thanks in advance
I would say no problem.I have test mine with B&W DM14 speakers which is a closed box with two 7inch woofers and 85dB
Of course Fetzilla can drive 4 Ohm speakers.Hello
Could this amp drive Ushers CP 6371 (4 ohm 90 db, double 7inch woofers + tweeter) ?
Unfortunatelly i do not have any measurements for their behavior over the spectrum.
I'd apprecciate your advice and i apologize in advance if this not an appropriate thread for this question.
Thanks in advance
It is just a question of volume. One might be careful at very high volume output.
I bought mine at Audiophonics - Câbles, Amplificateurs et Accessoires DIY
Have to check but I thought there is a way to use 110Volt mains by removing a jumper
In another thread it was asked what exactly you did to connect the SMPS to your Fetzilla, and you mentioned that you left out the smoothing caps, but i couldn't find much else. I assume you used a single SMPS300RE to power a stereo pair of Fetzillas?
Was that the only modification you did? Did you leave the resistor network in place? Since i also plan on using the SMPS300RE to power my Fetzilla i'd be interested to know exactly how you've interfaced the SMPS to the Fetzilla.
Thanks 🙂
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This is the reply I got from eastern_audio from ebay. Those of you who live in USA may want to consider this.
hi, we have the +- 36V version in stock in our Oregon USA warehouse, price is 62.99. We can list this and send you a link.
Or you can buy this item, wait with payment, and we can update the price and change shipping price to 9usd (USPS first class) and send it from Oregon.
Let us know if you'd like this, and send us a note after you have "buy it now".
hi, we have the +- 36V version in stock in our Oregon USA warehouse, price is 62.99. We can list this and send you a link.
Or you can buy this item, wait with payment, and we can update the price and change shipping price to 9usd (USPS first class) and send it from Oregon.
Let us know if you'd like this, and send us a note after you have "buy it now".
In another thread it was asked what exactly you did to connect the SMPS to your Fetzilla, and you mentioned that you left out the smoothing caps, but i couldn't find much else. I assume you used a single SMPS300RE to power a stereo pair of Fetzillas?
Was that the only modification you did? Did you leave the resistor network in place? Since i also plan on using the SMPS300RE to power my Fetzilla i'd be interested to know exactly how you've interfaced the SMPS to the Fetzilla.
Thanks 🙂
Yes I used a single SMPS for two fetZillas and I'm planning to do a test with a SMPS for each channel.Resistor network to you mean the ones underneath the board?Those are gone when you cut the boards
Link for the 5th groupsbuy https://docs.google.com/spreadsheet/ccc?key=0AvCRDh-vaRm7dE9kUzV6NElOOTdqYmY0OENaaFBVLWc&usp=sharing
Just fill in your name and everything you need
Just fill in your name and everything you need
I haven't used an SMPS yet but Lasy Cat swears by them. Unless they get noisy under a high current draw I can't see how they wouldn't be ideal. The voltage doesn't sag like a normal transformer does. I like the idea of being able to shorten the boards and the SMPS costs less than two transformers. Add in the cost of the filter caps and it seems like a bargain. I guess the biggest test will be does it affect the sound.
Another thing I wanted to know is if many of you have used the Renesas 2SJ162/2SK1058 output? If so, did you notice any difference between those and the Exicon units?
Thanks, Terry
Another thing I wanted to know is if many of you have used the Renesas 2SJ162/2SK1058 output? If so, did you notice any difference between those and the Exicon units?
Thanks, Terry
As far as I know all the Laterals are made in the same fabrication shop.
The tornado or tsunami took out ONE factory in the Far East.
The whole world assembly of Laterals STOPPED. Everyone ran out of stock until THAT factory got rebuilt.
The tornado or tsunami took out ONE factory in the Far East.
The whole world assembly of Laterals STOPPED. Everyone ran out of stock until THAT factory got rebuilt.
Yes I used a single SMPS for two fetZillas and I'm planning to do a test with a SMPS for each channel.Resistor network to you mean the ones underneath the board?Those are gone when you cut the boards
Thanks for this information!
Another question, what is the switch-on / switch-off behaviour of your SMPS-powered fetzilla compared to linear PSU? I read somewhere that there is a soft thump on power on/off using a linear PSU, is it the same with the SMPS? This is assuming you do not have a relay circuit to hide this.
Thanks,
yac
The on/thump has nothing to do with the PSU.My SMPS has a softstart build in but I can't remember if the thump was gone.My SMPS FetZilla is now at my brothers home for testing.He is using it now in his recording studio.Also planning to build relay circuit for that isue.
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