Episode 5 - Building a BUGLE MC Phonostage

[@hagerman_amplification]

I learned that funny looking soldering technique decades ago (working at Hughes Aircraft) from a few veteran technicians who had put stuff into space...

[@PAULGRILL]

Hello Jim! Last year in July I got the Bugle MC. There‘s no SMD op-amp in my device. Did you change something on the build? Cheers, Paul

[@hagerman_amplification]

I am always incrementally improving my products. The new front-end opamp brings lower noise and better sound. You can upgrade here: www.haglabs.com/products/opamp-upgrade

[@PAULGRILL]

@@hagerman_amplification Thank you for the quick reply. May I ask you to define "better sound" please? Did you already experiment with Sparko's op-amps?

[@hagerman_amplification]

No, I did not. First, they likely do not fit. Second, I'm pretty sure they have 1000x too much input bias current...

[@hagerman_amplification]

www.tnt-audio.com/ampli/hagerman_bugle_opa2210_e.html

[@bhaskarroy9881]

Are those components pre matched?

[@hagerman_amplification]

Resistors are 1% metal film, capacitors 5% polypropylene. This is a LOT of phonostage for under $300...

[@bhaskarroy9881]

@@hagerman_amplification Thanks a lot Jim for your kind reply.