[sdiy] Kit Review : Vladimir Pantelic's 4hp Headphone module

Vladimir Pantelic vladoman at gmail.com
Fri Dec 15 18:38:20 CET 2017


the NJM4556 used can drive 70mA per channel and they are paralleled, so
you'd get ~150mA per "ear", but you would need to use smaller combining
resistors than the 68R I put in the kit :)


On 15.12.2017 17:09, Jarno Verhoeven at ziggo.nl wrote:
> No, you need current delivery on the driving end, not a lot of gain. You
> will need hefty gain at the receiving end, to get the signal back up to
> normal modular level.
>> Op 15 december 2017 om 14:07 schreef Quincas Moreira <quincas at gmail.com>:
>>
>> Thanks! I'm pretty sure it would need a lot more gain to drive a spring!
>>
>> On Fri, Dec 15, 2017 at 6:34 AM, Jarno Verhoeven at ziggo.nl
>> <mailto:Verhoeven at ziggo.nl> <jarno.verhoeven at ziggo.nl
>> <mailto:jarno.verhoeven at ziggo.nl>> wrote:
>>
>>     Could have used it to drive a (improvised) plate reverb or a slinky?
>>      
>>     Regardless, congrats on the award.
>>      
>>     Regards,
>>      
>>     Jarno.
>>      
>>>     Op 15 december 2017 om 4:28 schreef Quincas Moreira
>>>     <quincas at gmail.com <mailto:quincas at gmail.com>>:
>>>
>>>
>>>     So, I had to stretch my imagination a little bit on this one... 
>>>     How do you make a compelling demo patch to feature a headphone amp? 
>>>     https://youtu.be/vPflWgy5acU
>>>      
>>>     -- 
>>>     Quincas Moreira
>>>     Test Pilot at VBrazil Modular
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>>
>>      
>>
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>>
>>
>>  
>> -- 
>> Quincas Moreira
>> Test Pilot at VBrazil Modular
> 
>  
> 
> 
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