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Author Topic: Phono input  (Read 1304 times)

monotube

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Phono input
« on: June 17, 2020, 11:37:40 AM »

Request for a switch to reverse polarity for the single LP

Request  to modify via software the gain of the first stage

Request  to modify the complete RIAA to an incomplete  RIAA without the 75μS (2122Hz) turnover frequency

Many thanks

Alberto
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Tranquility Bass

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Re: Phono input
« Reply #1 on: June 18, 2020, 09:45:54 AM »
Quote from: monotube on June 17, 2020, 11:37:40 AM

Request for a switch to reverse polarity for the single LP

Request  to modify via software the gain of the first stage

Request  to modify the complete RIAA to an incomplete  RIAA without the 75μS (2122Hz) turnover frequency

Many thanks

Alberto

Thanks Alberto

We can add those features and even have a user customizable RIAA curve as well as the industry standard ones ;)

cheers
david
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Tranquility Bass

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Re: Phono input
« Reply #2 on: February 03, 2021, 01:05:13 AM »
Ok got to spend some time updating the firmware so have incorporated the requested mods for the phono preamp.





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monotube

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Re: Phono input
« Reply #3 on: February 03, 2021, 08:53:40 AM »
David you are great! Many thanks!!!
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MichaelH

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Re: Phono input
« Reply #4 on: February 05, 2021, 10:51:04 AM »
Quote from: monotube on February 03, 2021, 08:53:40 AM
David you are great! Many thanks!!!

What speakers are you going to use on the UP mono?
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monotube

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Re: Phono input
« Reply #5 on: February 08, 2021, 07:52:42 AM »

It's a 4 way system diy high efficiency.( 108db except the two subs ) 100/700/4500 crossover points. Here an old image
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MichaelH

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Re: Phono input
« Reply #6 on: February 08, 2021, 07:54:09 AM »
Nice work mate they look spectacular.
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