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Old 24th January 2006, 10:44 AM   #1
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Default Princeton Technology Preset equallizer with Bass Boost

HI:
Recently I purchased about 60 chips from Princeton technology of their infamous stereo preset equalizer with bass boost circuitary.
The circuit is very simple and straight forward, I did make the prototype on varoboard and used it with my buffers and Gainclones of OPA549, after putting the preset equalizer in the circuit results improved pretty well along bass boost.
Here is the PCB design for reference.
Any one interested in these chips do drop me a line at my email.
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File Type: pdf pt2388.pdf (37.0 KB, 104 views)
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Old 28th January 2006, 04:28 PM   #2
Speakerholic
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How many are you selling and what's the asking price?
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Old 29th January 2006, 02:02 AM   #3
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does that chip have the presets selectable by individual buttons (with different board) or only cyclic mode?
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Old 29th January 2006, 02:57 AM   #4
duelbox is offline duelbox  United States
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neutron

pt2388 datasheet

The data sheet shows both.
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Old 29th January 2006, 03:18 PM   #5
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Hi:
I have got about 60 chips for sales, belive me or not this chips is one hot babe,
the preset equalizer works both ways cyclic mode, and also the otion of individual buttons.
in cyclic mode only one button is required for equalizer and one button for bass boost.
Asking price is 3$ per chips and 2 dollar for postage via snail mail, regardless of the number of chips.
Any one interested do drop me a line at my email.
abid
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Old 31st January 2006, 02:59 AM   #6
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5 chips sold, 55 to go....
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