[sdiy] Re: Headphone distribution amp

[Edu Silva]

Roel Das wrote:
> 
> ... Using SSM2017 and BUF04's. 

**

AD discontinued the 2017. They sold the production rights to THAT corp.
Go to their site to find the datasheet. (don't remember the new
designation right now)

http://www.thatcorp.com

**

> What lamps should be used? Or is there a better solution to do this? I
> think it's rather strange putting a bulb in...

**

It's a current limiter, to avoid short circuits. The power of the lamp
(V X I) needs to be similar to that of the amp, or a bit less, to help
protect your ears.

**

> Other comments on the schemo? Wouldn't it be better to have a
> controlable input level to make sure not to overdrive the ssm2017?

**

Hard to overdrive a SSM2017 with line-level signals.

**
 
> Now. I'd like to have multiple outputs, 

**

To get multiple outputs, just duplicate everything after the 2017, many
times you need, connecting them to the same point (pin 6).

**

> and another input, with volume and mix controls for each output 
> seperately.

**

Think you can find something suitable at Paia's site.

-- 
 
 Edu Silva . ES2 Audio
 Salvador  BA   Brazil
 bahi0387 at terra.com.br
http://audiolist.cjb.net



.