[sdiy] Re:

[Ken Stone]

Doeper use an LM386 to drive the tank.
Some Yamaha organs use a 1W amp chip, and when I've been messing around with
it, I needed to heatsink the chip!

Ken

>Thanks Dave -
>
>ahh, here's typical drive current values, too:
>http://www.accutronicsreverb.com/ioic.htm
>
>So ... they only drive them with 8mW !
>
>I wonder why there are guitar amps then which parallel two systems of a 
>12AT7 to drive a reverb tank ....
>Without actually having calculated such a tube stage, I'd had expected 
>something in the 100mW range,
>at least ...
>
>Maybe these 8mW are typical rms values, not peak level ...
>
>JH.
>
>
>----- Original Message ----- 
>From: "Dave Manley" <dlmanley at sonic.net>
>To: "JH." <jhaible at debitel.net>
>Cc: <synth-diy at dropmix.xs4all.nl>
>Sent: Sunday, November 26, 2006 7:59 PM
>Subject: Re: [sdiy] How do reverb tanks work?
>
>
>JH. wrote:
>>> There are sample driving circuits on their web site.
>>>
>>
>> Do you have a link?
>>
>>
>http://www.accutronicsreverb.com/
>
>http://www.accutronicsreverb.com/rvbapps.htm
>
>-Dave
>
>
_______________________________________________________________________
Ken Stone   sasami at hotkey.net.au
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
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