michaelwjones Posted May 8, 2022 Share Posted May 8, 2022 As we all know on the forum, equalizers are either an absolute necessity or the worst thing you do to the sound from a Heritage loudspeaker. No middle ground. This is for the former group. The 9010 is from the "Flat Group;" Technics' first foray into high end audio equipment. Technics designed the SH-9010 with variable frequencies; by turning the control knob below each slide pot, the center frequency can be moved up or down by as much as 1.6 octaves. The five slide pots per channel cover the following ranges: Center Frequency variable between: 60Hz 20Hz-180Hz 240Hz 80Hz-720Hz 1kHz 333Hz-3kHz 4kHz 1.3kHz-12kHz 16kHz 5.3kHz-48kHz As adjustment is continuous, center frequencies can be set accurately at the desired points. What's more, settings are independent for each stereo channel. "Q" (or slope or bandwidth) adjustment is also independent for each band of each stereo channel. Thus the SH-9010 offers an infinite combination of three adjustments: 1. Boost or attenuation up to 12dB at five points in the frequency spectrum 2. Precise adjustment of those five bands by more than an octave overlap between adjacent bands 3. Adjustment of "Q" for each frequency band between the range of Q = 0.7 to 7 Very good condition. Unit is silent; all pots and sliders were cleaned and lubed this year. No scratching or sounds when making adjustments. All lamps work. The unit has minimal scratches from normal use; rack mount face plate and top cover look nearly new. Includes copy of owner’s manual and service manual. SOLD. Mike 2 1 Quote Link to comment Share on other sites More sharing options...
jwc Posted May 9, 2022 Share Posted May 9, 2022 That is so cool. Never seen it. 2 Quote Link to comment Share on other sites More sharing options...
OO1 Posted May 9, 2022 Share Posted May 9, 2022 GLWyS , beautiful vintage unit Quote Link to comment Share on other sites More sharing options...
Islander Posted May 11, 2022 Share Posted May 11, 2022 Very cool. It looks like pro sound gear, but also high end home gear, which makes total sense, something that’s not always seen in audio gear. Good luck with your sale. 1 Quote Link to comment Share on other sites More sharing options...
michaelwjones Posted May 13, 2022 Author Share Posted May 13, 2022 On 5/9/2022 at 10:26 AM, jwc said: That is so cool. Never seen it. In another life back in the 70s when I sold these, which was not often, the retail was over $500. That $2000 in this week's dollars. Quote Link to comment Share on other sites More sharing options...
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