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Simple Passive Harsch XO Using PTT6.5 and RS28F in a Waveguide
Simple Passive Harsch XO Using PTT6.5 and RS28F in a Waveguide
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Old 5th July 2020, 12:48 PM   #241
wilbur-x is offline wilbur-x  Norway
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Would there be any disadvantage to use my RAAL-Seos together with PTT6.5 ?
A 3-way with PTT6.5 in OB plus a CSS 12" in a closed box together with KlaraT is a tempting idea.
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Last edited by wilbur-x; 5th July 2020 at 12:58 PM.
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Old 5th July 2020, 01:02 PM   #242
dewdrop is offline dewdrop  Singapore
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X,
So what if we use the reference design, i.e. AMT tweet in your TL configuration?
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Old 5th July 2020, 01:12 PM   #243
xrk971 is online now xrk971  United States
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Simple Passive Harsch XO Using PTT6.5 and RS28F in a Waveguide
AMT should be fine - the TL simply replaces the passive radiator alignment. It’s debatable to some people but IMO, a TL sounds superior to either BR or passive radiators.
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Old 5th July 2020, 01:19 PM   #244
xrk971 is online now xrk971  United States
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Simple Passive Harsch XO Using PTT6.5 and RS28F in a Waveguide
Quote:
Originally Posted by wesayso View Post
He cannot sleep, he still has to finish the Keantoken amp .
The parts for the AurumX amp Front End (FE) are here but a man’s got to know his limitations. I need at least 3 hrs sleep.
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Old 5th July 2020, 08:55 PM   #245
xrk971 is online now xrk971  United States
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Simple Passive Harsch XO Using PTT6.5 and RS28F in a Waveguide
I made a new thread for the RAAL and PTT6.5 here:
RAAL 70-20xr and PTT6.5 Compact TL

I also found that a simple change to R2 and C1 and moving tweeter back 2.1in gives a simple Harsch XO:
RAAL 70-20xr and PTT6.5 Compact TL-raal-70-20xr-tt6-5-xo2-harsch-screenshot-v002-jpg
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