AVS Forum Special Member
Join Date: Mar 2008
Location: Woods Cross, Utah
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So I've been noticing what I believe are very crushed blacks in darker areas of the image on my 440. It has about 400 hours on the bulb. I took grayscale & gamma measurements last night (using Chromapure and X-Rite EyeOne Display 3 PRO). Attached is the gamma tracking. I was able to bring gamma down in the 10-20 IRE range using the black level controls, but the upper range got even worse than is shown here.
Is this the gamma droop I've been reading about? I guess, if so, I'm going to need to do autocal - is that correct?
Transducers: Revel Concerta2 F36 (3), M16 (4); Tannoy AMS 6DC (4); Rythmik F18 (2)
Front end: NAD T758 v3; Outlaw Model 7125
Sources: Panasonic UB820; Oppo BDP-103; Toshiba HD-A2
Projection: JVC DLA-RS440; Seymour CenterStage UF retractable 110" 2.35:1