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 NEW  Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization.

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 Post subject: Keyboard/tablet amp
PostPosted: 23 Nov 2013, 05:25 

Joined: 23 Nov 2013, 03:30
Posts: 4
Location: Zagreb, Croatia

I would like to build a simple, reliable mono amp that would have 2 purposes:

1) connecting a keyboard (CASIO synth) to the speaker (10W, 4 Ohm)
2) connecting a Toshiba tablet PC to the same speaker

The keyboard output parameters are: resistance 82 Ohm, volage 1,4 V RMS (max)

I would prefer the 12V DC power source, and using the 3,5 mm heasphones terminals.

Can you please suggest me a project that would answer my needs.

 Post subject: Re: Keyboard/tablet amp
PostPosted: 06 Dec 2013, 20:38 
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Joined: 03 Aug 2008, 20:22
Posts: 386
Location: Denver, Colorado
Good day,

I would suggest a simple LM 1875 amplifier. You can find complete kits on ebay for approximately $10 USD. These amps can go as high as 25W.

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