this has been the subject of a lot of my posts - EdG

Planar Speaker Asylum

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this has been the subject of a lot of my posts

Posted by EdG (A) on June 27, 2002 at 09:06:07

In Reply to: MG1.6QR Brightness posted by FredT on June 27, 2002 at 07:45:44:

First, some recordings are just plain bright. Its rare to find vocal recordings that haven't been equalized (by emphasizing the treble and/or cutting the bass).

Secondly, the RS meter has been observed to have a peak around 5KHz . I don't own a RS meter, but I have an inexpensive condenser microphone that exhibits a similar peak.

Also, measuring a planar is tough. The Stereophile measurements imply the MG1.6 has a shelved response above 2KHz, but that doesn't correlate with what I hear.

All that being said, I played with tweeter resistors for a year before concluding that tweeter resistors alone couldn't correct the tonal balance. So I experimented with crossover mods and found that the MG1.6's tonal balance could be improved by emphasizing the 400-800Hz region . In the latest version, I'm using 2.0 ohm resistors in the tweeter section and 1.5 ohm resistors in the woofer section. In addition to the +2.5dB midrange emphasis, this version has a -0.5dB treble shelf which makes the MG1.6 somewhat dark sounding, but more forgiving of bright recordings.

So far I haven't convinced other inmates to try my mod, but you may want to consider it since you're starting down the same road I did and for $2 in resistors, the effects are as dramatic as getting a new pair of speakers. Please post whatever you try!
Ed

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Follow Ups Full Thread

Topic - MG1.6QR Brightness - FredT 07:45:44 06/27/02 (17)

Re: MG1.6QR Brightness - earl 18:59:36 07/16/02 (0)

This cable helped mine... - Chad L 09:59:07 06/28/02 (1)

Re: This cable helped mine... - stevenk 06:09:41 06/29/02 (0)

Re: MG1.6QR Brightness-are 3.6's like this also? - cooch 19:06:23 06/27/02 (1)

Some days they sound too bright, and the next day not. - Duilawyer 05:48:01 06/29/02 (0)

Re: MG1.6QR Brightness - sugarcane 18:37:28 06/27/02 (0)

this has been the subject of a lot of my posts - EdG 06/27/0209:06:07 06/27/02 (2)

Thanks for the information - FredT 15:31:30 06/27/02 (1)

experiment - EdG 18:38:06 06/27/02 (0)

Re: MG1.6QR Brightness - malon 08:53:17 06/27/02 (7)

Good Point - FredT 15:04:29 06/27/02 (6)

Re: Good Point - Malon 23:40:15 06/27/02 (2)

Re: Good Point - FredT 06:12:22 06/28/02 (0)

Re: Good Point - Gary 04:10:56 06/28/02 (0)

Re: Good Point - jameskerry 21:42:54 06/27/02 (2)

Room Treatments - FredT 05:39:33 06/28/02 (1)

Re: Room Treatments - jameskerry 08:45:36 06/28/02 (0)

Follow Ups

this has been the subject of a lot of my posts - EdG 06/27/0209:06:07 06/27/02 (2)

Thanks for the information - FredT 15:31:30 06/27/02 (1)

experiment - EdG 18:38:06 06/27/02 (0)

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