AudioSector 3875 and a tube pre-amp???

[mikejennens]

I'm wondering if there would be any real benefit to adding a Bottlehead Quickie 1.1 https://bottlehead.com/product/quickie-1-1-battery-powered-directly-heated-tube-preamplifier-kit/ to an AudioSector LM3875 amp DIY Chip Amplifier Kits, PCB's, Components and Information. I built a while back.

My source is either a Squeezebox Touch or digital music through a FiiO DAC. I imagine it wouldn't hurt to add it, but I'm wondering if there would be any real sonic advantage.

Any comments or thoughts???

Thanks,
Mike

 

[tomchr]

Depends on what you consider to be a "sonic advantage". If you want a little tube warmth (low order harmonic distortion) add the preamp. If you'd rather have a cleaner sound, go without it.

Tom

 

[nigelwright7557]

I designed a TDA7294 amp with a 12au7 SRPP front end and liked the warmth and detail the valve gave it.

An externally hosted image should be here but it was not working when we last tested it.

 

[kp93300]

I designed a TDA7294 amp with a 12au7 SRPP front end and liked the warmth and detail the valve gave it.

An externally hosted image should be here but it was not working when we last tested it.

How many watts will this amp provide and what is the gain ?
Any pcb for sale ?

 

[nigelwright7557]

How many watts will this amp provide and what is the gain ?
Any pcb for sale ?

Its 100 watts music power. so about 75WRMS.

There were a couple of mistakes on the first pcb so I am waiting for new pcb's to come in.
PM me in about a weeks time and I am happy to sell you one.