Is this a good way to simulate the sound of tubes?? - Page 5

titohendrata · 24th July 2011, 05:23 AM

i don't think elektor knows guitar well. elektor tube box isn't what i'm looking for. later i build sansamp classic clone
C1.PDF - 4shared.com - document sharing - download
here's epress pcb file c1 main.pcb - 4shared.com - online file sharing and storage - download
it's awesome, but for heavy metal GT2 will do better

brubeck · 07:15 AM

A solid state amp that comes close to a good tube amp like 300B is in my experience the current dump circuit from Quad. They are strong in the mid/low section and produces 'music'. To add some 'distortion' i added a carbon composite resistor in serie of the signal.

Lukas87 · 24th July 2011, 02:54 PM

Lookup AC30SIM by Stephen Moeller. It's not available online anymore but you might try to contact mr. Moeller by e-mail.
It is a complete simulator of VOX AC30 consisting of preamp stage, power amp stage (both with different freq. response and different distorition characteristics) and passive LC speaker simulator.
It really rocks and sounds like a real tube-amp.

Simple circuits like those seen above will never sound like a tube amp - unless one replace the solid state devices with tubes.

nigelwright7557 · 24th July 2011, 03:10 PM

I use a soft limiter to emulate tube in overdrive.

Use an op-amp stage with two transistors in the feedback loop controlled by a pot.

titohendrata · 24th July 2011, 03:53 PM

the soft limiter above looks cool. i'll try to make the real one, maybe add a buffer and and RC filter. or maybe you may share the complete schematic for me

24th July 2011, 07:02 AM	#42
brubeck diyAudio Member Join Date: Sep 2009 Location: Netherlands	A solid state amp that comes close to a good tube amp like 300B is in my experience the current dump circuit from Quad. They are strong in the mid/low section and produces 'music'. To add some 'distortion' i added a carbon composite resistor in serie of the signal. Last edited by brubeck; 24th July 2011 at 07:15 AM.

24th July 2011, 03:10 PM	#44
nigelwright7557 diyAudio Member Join Date: Apr 2008 Location: Carlisle, England	I use a soft limiter to emulate tube in overdrive. Use an op-amp stage with two transistors in the feedback loop controlled by a pot. __________________ http://www.murtonpikesystems.co.uk PCBCAD40 pcb design software.

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24th July 2011, 05:23 AM	#41
titohendrata diyAudio Member Join Date: Aug 2008	i don't think elektor knows guitar well. elektor tube box isn't what i'm looking for. later i build sansamp classic clone C1.PDF - 4shared.com - document sharing - download here's epress pcb file c1 main.pcb - 4shared.com - online file sharing and storage - download it's awesome, but for heavy metal GT2 will do better

24th July 2011, 02:54 PM	#43
Lukas87 diyAudio Member Join Date: Jun 2010 Location: Prague	Lookup AC30SIM by Stephen Moeller. It's not available online anymore but you might try to contact mr. Moeller by e-mail. It is a complete simulator of VOX AC30 consisting of preamp stage, power amp stage (both with different freq. response and different distorition characteristics) and passive LC speaker simulator. It really rocks and sounds like a real tube-amp. Simple circuits like those seen above will never sound like a tube amp - unless one replace the solid state devices with tubes.

24th July 2011, 03:53 PM	#45
titohendrata diyAudio Member Join Date: Aug 2008	the soft limiter above looks cool. i'll try to make the real one, maybe add a buffer and and RC filter. or maybe you may share the complete schematic for me

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