[PD] [OT] advice about low budget multichannel hardware configs

[jurgen]

Just a word about devices - I regularly use 3 different interfaces  
(Metric Halo, Rosetta 800, Fireface 800) for large recordings and  
NEVER have issues. but the devices can't be the cheapest because you  
still have to lock the word clock. When you mentioned 'cheap' my first  
reflex was on borrowed or rented stuff (I borrow, no money here either).
And you need only 3 plus in-built stereo for channels 25+26...

Good luck
Jurgen


On Oct 25, 2009, at 9:08 PM, Greg Pond wrote:

> I agree with you that 25 is extremely hardware ineffective. I have
> created an aggregate device in OS X before but only with two of the
> same type of external device but this also seems the best option for a
> single cpu.
>
> thanks for the input
>
> Greg
>
> On Sun, Oct 25, 2009 at 2:50 AM, jurgen <noise.now at gmail.com> wrote:
>> You have to be realistic - 25 channels is an extremely hardware  
>> ineffective
>> configuration because audio interfaces come by increments of 8.  
>> Meaning for
>> 25 channels you need 4 of those.
>> I believe you can do it cheapest if you use OS X: you may borrow from
>> friends any brand of device and then create in OS X an 'aggregate'  
>> device.
>> This combines any number of any audio interfaces into one big virtual
>> interface that you then can address with jack. It also solves the  
>> problem of
>> the 25th channel because the aggregate device may include the  
>> machines
>> in-built audio hardware on top of fw/usb things.
>>
>> Good luck
>> Jurgen
>>
>> On Oct 25, 2009, at 12:32 AM, Greg Pond wrote:
>>
>>> I am helping some friends make their first PD sound installation.  
>>> They
>>> want 25 channels simultaneously running prerecorded samples and  
>>> have a
>>> limited budget and as yet own no equipment. I use the presonus  
>>> firepod
>>> external card in my work which could work with a single cpu chaining
>>> 3-4 of firepods together for their project but I doubt their budget
>>> can support buying so many of them. For amps we could build 25  
>>> simple
>>> chip amps with op amp ICs to keep costs down but those that I have
>>> built in the past are useful for low volume only.  If anyone has  
>>> other
>>> hardware configurations and amplifier schematics that they use I  
>>> would
>>> be grateful for suggestions.
>>>
>>> thanks
>>>
>>> Greg
>>>
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>>