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Old 4th July 2019, 04:09 PM   #11
howardg is offline howardg  United States
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Default Mac Amp to power the open Baffle Speakers

I tried the Rpi server - Mac 240 - 4 way open baffle set up - and it sounds good. Definitely a softer vintage kind of sound compared to the Allo Volt+ class D amp and 3 way speakers with planar tweets, but that could be expected. Plenty of detail overall. Sounds nice with vintage recordings.
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Old 4th July 2019, 11:19 PM   #12
Dave R is offline Dave R  United States
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Quote:
Originally Posted by howardg View Post
I tried the Rpi server - Mac 240 - 4 way open baffle set up - and it sounds good. Definitely a softer vintage kind of sound compared to the Allo Volt+ class D amp and 3 way speakers with planar tweets, but that could be expected. Plenty of detail overall. Sounds nice with vintage recordings.
Look forward to listening to it, Howard.
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Old 7th July 2019, 10:12 PM   #13
howardg is offline howardg  United States
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Default Daves new headphone amp

I had a chance to see and listen to Dave's headphone amp and I must say that it is beautifully made and sounds smooth, rich and detailed.
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Old 7th July 2019, 10:41 PM   #14
Dave R is offline Dave R  United States
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Thanks Howard.

It's set up next to my desk now and I've been listening to a variety of music today. Really like what I'm hearing.
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Old 12th July 2019, 10:37 PM   #15
nerdorama is offline nerdorama  United States
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Dave,
What range of headphone impedance will work with the output transformers? My phones are about 30 ohms. Just wonder if I should bring them to try with your amp.
John
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Old 13th July 2019, 01:03 PM   #16
Dave R is offline Dave R  United States
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Originally Posted by nerdorama View Post
Dave,
What range of headphone impedance will work with the output transformers? My phones are about 30 ohms. Just wonder if I should bring them to try with your amp.
John
Hi John,
Rene' designed my amp for 300 ohm or above headphones. Mine are Sennheiser HD 600.
But bring your headphones anyway. He will be bringing a headphone amp that will likely drive them.
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Old 4th August 2019, 08:36 PM   #17
Dave R is offline Dave R  United States
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Is it alright to bring some things along for sale/trade/bargain/give-away?

I can bring a pair of 18" ported subs that are looking for a good home.
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Old 4th August 2019, 11:24 PM   #18
nerdorama is offline nerdorama  United States
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I'm still planning to be there.
John
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Old 8th August 2019, 06:18 PM   #19
olsond3 is offline olsond3  United States
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Default Upgraded last years speaker to Active!

Finished assembly of the three channel transconductance amps yesterday. Tuning the digital crossovers today. Still need to figure out how to secure the top cabinet, so it won't walk off the woofer during strong bass notes. There will be fun. Current-Drive - The Natural Way of Loudspeaker Operation
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Old 9th August 2019, 10:34 PM   #20
howardg is offline howardg  United States
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Default Hi Dave R

I think it is expected that there will be stuff to sell/give. I am bringing Rene's 1950's(?) Zenith alnico 12" drivers that were EnABL'd by Bud. I mounted them in some test 0pen baffles for folks to hear.
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