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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: Mundorf M-Lytic HC+ 4-Pole 250V 22,000uF storage caps posted by Cousin Billy on September 2, 2014 at 15:20:28:
These measurements where taken at the speaker outputs, not the amp outputs.
These measurements are 'near field', i.e. the microphone was right in front of the midrange driver, not 1 meter away.The first graph has a Clarity 1.2uF 630V cap across the +ve and -ve poles of the Mundorf 4-poles.
The second graph has only the Mundorf Lytics.I was rather impressed that distortion hovers around 0.1% after 100Hz for both. Not bad.
There is an artifact at 900Hz when using the Clarity smoothing cap, but absent when the Mundorf's are doing all the work themselves. I measured a few times to make sure.
If you've read some of my other posts, you know I like to make you guys laugh. This next point intrigued me.
Two nights ago, with the Mundorf's installed, but no smoothing caps, I listened to music. I have two cats. On this evening, for the first time ever, my cats decided to join me. For three solid hours their heads where cocked, their ears where pointing straight up, and they constantly looked for the musicians. I should have taken a video.
Last night I installed the Clarity caps. Listened to music. Watched my cat's come into the room, look around, and leave. I will say it wasn't as pure a sound as the previous night.
The Mundorf's are now naked again, no smoothing caps. It will be interesting to see if my cat's join me.
This post sponsored by the animal shelters of the world. Maybe you'll rescue a cat?.
Edits: 09/13/14 09/14/14 09/14/14 09/14/14
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Follow Ups
- Distortion measurements with and without a smoothing cap - Cousin Billy 14:49:40 09/13/14 (25)
- RE: Distortion measurements with and without a smoothing cap - cpotl 18:00:58 09/13/14 (24)
- Pictures now added to the above post - Cousin Billy 05:17:35 09/14/14 (23)
- RE: Pictures now added to the above post - cpotl 07:32:43 09/14/14 (22)
- RE: Pictures now added to the above post - Cousin Billy 08:42:21 09/14/14 (21)
- RE: Pictures now added to the above post - cpotl 06:43:00 09/16/14 (20)
- I dun good wit my speekers - Cousin Billy 07:59:09 09/16/14 (19)
- RE: I dun good wit my speekers - throwback 11:07:27 09/25/14 (1)
- Speaker wire? - Cousin Billy 13:30:18 09/25/14 (0)
- Some - unclestu 21:15:38 09/20/14 (1)
- RE: Some - cpotl 02:51:38 09/21/14 (0)
- RE: I dun good wit my speekers - Lew 10:59:58 09/16/14 (12)
- Coincident Pure Reference - Cousin Billy 13:48:28 09/16/14 (2)
- RE: Coincident Pure Reference - Lew 08:53:57 09/17/14 (1)
- RE: Coincident Pure Reference - Cousin Billy 17:35:16 09/17/14 (0)
- The Gauntlet has been thrown down! - Cousin Billy 13:21:57 09/16/14 (8)
- RE: The Gauntlet has been thrown down! - Lew 08:56:26 09/17/14 (7)
- RE: The Gauntlet has been thrown down! - cpotl 20:40:28 09/17/14 (6)
- Distortion measurements Solid core vs Multi strand - Cousin Billy 10:35:35 09/18/14 (5)
- RE: Distortion measurements Solid core vs Multi strand - cpotl 02:44:12 09/19/14 (3)
- RE: Distortion measurements Solid core vs Multi strand - Ralph 09:43:57 09/19/14 (2)
- RE: Distortion measurements Solid core vs Multi strand - cpotl 18:00:57 09/20/14 (0)
- RE: Distortion measurements Solid core vs Multi strand - Lew 10:31:29 09/19/14 (0)
- RE: Distortion measurements Solid core vs Multi strand part 2 - Cousin Billy 10:44:40 09/18/14 (0)
- RE: I dun good wit my speekers - cpotl 09:17:13 09/16/14 (0)
- RE: I dun good wit my speekers - Ralph 08:25:45 09/16/14 (0)
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