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    Super Moderator yggdrasil's Avatar
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    My JBL DIY

    Thought I'd like to share my JBL DIY with you all.

    It consists of 2215 woofers, 2202 lower mid-range, LE85 upper mid-range, 077 UHF.

    I constructed and built the crossover with attenuators for the 3 upper elements. Crossover frequencies 230Hz, 1200Hz and 7000Hz. 12db.

    The 2202 have a small closed box. The 2215 have the rest of the box, which is quite large. 55 x 55cm footprint. 125cm high. The baffle is tilted 5cm back. The bass reflex is tuned as low as i could. I don't have proper measuring equipment to say the frequency response within +-3db. With frequency generator you can hear them playing down to 18Hz before the big silence.

    To drive this I use Norwegian Pre and power amplifier from Doxa. I have Pioneer pd-s06 CD-player. Between the pre and power amplifier I have two mono Techincs equalizers.
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    Johnny Haugen Sørgård

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