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Search: Posts made by: Trevor Wilson[_3_]
Forum: High End Audio February 23rd 20, 10:46 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 21/02/2020 12:18 am, Peter Wieck wrote:
> Snark Warning!

> This pretty much summarizes my approach to speaker placement. There are overly bright rooms,

**Yep. And these are, far and away, the...
Forum: High End Audio February 22nd 20, 06:37 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 22/02/2020 7:48 am, Peter Wieck wrote:
> On Friday, February 21, 2020 at 3:36:32 PM UTC-5, Trevor Wilson wrote:
>
>> **Why? XLRs are very good connectors. They're robust, easy to wire up
>> and...
Forum: High End Audio February 21st 20, 07:57 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 21/02/2020 11:37 pm, Peter Wieck wrote:
> I have to question the suggestion of a device with exclusively XLR inputs and outputs (1/4" phone jacks for auxiliary output) for a non-commercial Audio...
Forum: High End Audio February 20th 20, 06:01 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 20/02/2020 11:05 am, ~misfit~ wrote:
> On 20/02/2020 10:44 am, Trevor Wilson wrote:
>> On 19/02/2020 1:02 pm, ~misfit~ wrote:
>>> On 19/02/2020 11:14 am, Trevor Wilson wrote:
>>>> On 19/02/2020...
Forum: High End Audio February 19th 20, 09:57 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 19/02/2020 12:28 pm, ~misfit~ wrote:
> On 19/02/2020 8:41 am, Trevor Wilson wrote:
>> On 18/02/2020 3:28 pm, ~misfit~ wrote:
>>> On 15/02/2020 7:32 am, Peter Wieck wrote:
>>>> I think you are...
Forum: High End Audio February 19th 20, 09:44 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 19/02/2020 1:02 pm, ~misfit~ wrote:
> On 19/02/2020 11:14 am, Trevor Wilson wrote:
>> On 19/02/2020 6:41 am, Trevor Wilson wrote:
>>
>>>
>>> **Those "tinkling noises" you hear are somewhere around...
Forum: High End Audio February 18th 20, 10:14 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 19/02/2020 6:41 am, Trevor Wilson wrote:

>
> **Those "tinkling noises" you hear are somewhere around 3kHz.

**Should read: "....somewhere around 3 ~ 5kHz."

Very few instruments possess...
Forum: High End Audio February 18th 20, 07:41 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 18/02/2020 3:28 pm, ~misfit~ wrote:
> On 15/02/2020 7:32 am, Peter Wieck wrote:
>> I think you are missing the point. If too much energy is being
>> dissipated by the speakers in the high range,...
Forum: High End Audio February 18th 20, 07:35 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 18/02/2020 9:27 am, wrote:
> On Sunday, February 16, 2020 at 1:29:45 PM UTC-5, Trevor Wilson wrote:
>> On 15/02/2020 5:32 am, Peter Wieck wrote:
>>> I think you are...
Forum: High End Audio February 16th 20, 05:58 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 15/02/2020 5:32 am, Peter Wieck wrote:
> I think you are missing the point. If too much energy is being dissipated by the speakers in the high range, then too much energy is being dissipated in...
Forum: High End Audio February 14th 20, 05:18 PM Posted to rec.audio.high-end
Replies: 31
Views: 1,812
Posted By Trevor Wilson[_3_]
Attenuate highest highs?

On 12/02/2020 11:19 pm, ~misfit~ wrote:
> I have a pair of 2-way speakers that I like very much - except they go too
> high and are too bright. They're Sony SSK-30s and otherwise make great
>...
Forum: High End Audio November 9th 19, 08:31 PM Posted to rec.audio.high-end
Replies: 15
Views: 2,064
Posted By Trevor Wilson[_3_]
Motional feedback in speakers

On 9/11/2019 12:25 am, wrote:
> On Thursday, November 7, 2019 at 4:32:20 PM UTC-5, Trevor Wilson wrote:
>>>
>>> Regarding feedback, I remember there was an hobby...
Forum: High End Audio November 9th 19, 07:47 PM Posted to rec.audio.high-end
Replies: 15
Views: 2,064
Posted By Trevor Wilson[_3_]
Motional feedback in speakers

On 9/11/2019 6:50 am, Peter Wieck wrote:
> Ummmmmm.....
>
> A speaker is a linear motor with a magnet, and a commutator (voice coil). Just as in a PM Motor, when current is applied, the motor spins....
Forum: High End Audio November 7th 19, 09:29 PM Posted to rec.audio.high-end
Replies: 15
Views: 2,064
Posted By Trevor Wilson[_3_]
Motional feedback in speakers

On 8/11/2019 6:32 am, Mat Nieuwenhoven wrote:

>
> Interesting story. I had two of the smallest Philips MFBs a few years
> back, was not impressed with the sound.

**I've never lived with a pair,...
Forum: High End Audio November 7th 19, 08:39 PM Posted to rec.audio.high-end
Replies: 15
Views: 2,064
Posted By Trevor Wilson[_3_]
Motional feedback in speakers

On 8/11/2019 6:31 am, Peter Wieck wrote:
> Take the (permanent magnet) speaker as a linear motor.
>
> Now, for illustrative purposes, obtain a small DC brush-type motor. Spin it with your fingers. ...
Forum: High End Audio November 6th 19, 08:55 PM Posted to rec.audio.high-end
Replies: 15
Views: 2,064
Posted By Trevor Wilson[_3_]
Motional feedback in speakers

On 5/11/2019 11:16 pm, Peter Wieck wrote:
> No surprise at all

**Well, it was a surprise to me. In 45 years of servicing equipment,
I've never seen that technology is a valve based product. Perhaps...
Forum: High End Audio November 4th 19, 08:08 PM Posted to rec.audio.high-end
Replies: 15
Views: 2,064
Posted By Trevor Wilson[_3_]
Motional feedback in speakers

In another forum I inhabit, someone posted details about a National
Panasonic amplifier and speakers that employs a Motional FeedBack...
Forum: High End Audio October 20th 19, 09:31 PM Posted to rec.audio.high-end
Replies: 41
Views: 2,704
Posted By Trevor Wilson[_3_]
Introducing a New Horse to the Stable

On 20/10/2019 1:07 pm, ~misfit~ wrote:
> On 20/10/2019 1:03 AM, Mat Nieuwenhoven wrote:
>> On 13 Oct 2019 21:26:46 GMT, Trevor Wilson wrote:
>>
>> <snip>
>>>
>>> * Do they actually use FB?
>>>
>>>...
Forum: High End Audio October 20th 19, 03:07 AM Posted to rec.audio.high-end
Replies: 41
Views: 2,704
Posted By Trevor Wilson[_3_]
Introducing a New Horse to the Stable

On 19/10/2019 11:03 pm, Mat Nieuwenhoven wrote:
> On 13 Oct 2019 21:26:46 GMT, Trevor Wilson wrote:
>
> <snip>
>>
>> Do they actually use FB?
>>
>> **EVERY amplifier uses NFB. Every single one....
Forum: High End Audio October 14th 19, 07:58 PM Posted to rec.audio.high-end
Replies: 41
Views: 2,704
Posted By Trevor Wilson[_3_]
Introducing a New Horse to the Stable

On 14/10/2019 8:00 am, Mat Nieuwenhoven wrote:

> Even a tweeter has already 15-20 microHenry of inductance.

**Not so. I haven't measured one in quite some time, but the EMIT HF
drivers, used in...
Forum: High End Audio October 13th 19, 10:26 PM Posted to rec.audio.high-end
Replies: 41
Views: 2,704
Posted By Trevor Wilson[_3_]
Introducing a New Horse to the Stable

On 14/10/2019 8:00 am, Mat Nieuwenhoven wrote:
> On 12 Sep 2019 20:28:33 GMT, Trevor Wilson wrote:
>
> <snip>
>>
>> **Let me be very clear about several things:
>>
>> * NFB is fine. In fact, NO...
Forum: High End Audio September 21st 19, 02:02 PM Posted to rec.audio.high-end
Replies: 41
Views: 2,704
Posted By Trevor Wilson[_3_]
Introducing a New Horse to the Stable

On 19/09/2019 8:00 pm, wrote:
> While much of what you say below is, strictly speaking, technically
> correct under some very specific cases, it's misleading and could...
Forum: High End Audio September 20th 19, 11:07 PM Posted to rec.audio.high-end
Replies: 14
Views: 1,301
Posted By Trevor Wilson[_3_]
Radford STA25 Mk 3 modifiactions

On 20/09/2019 7:45 pm, Howard Stone wrote:
> On Thursday, 19 September 2019 11:00:48 UTC+1, Trevor Wilson wrote:
>> On 18/09/2019 7:53 pm, Howard Stone wrote:
>>> Well the Radford is back and it has...
Forum: High End Audio September 19th 19, 11:00 AM Posted to rec.audio.high-end
Replies: 14
Views: 1,301
Posted By Trevor Wilson[_3_]
Radford STA25 Mk 3 modifiactions

On 18/09/2019 7:53 pm, Howard Stone wrote:
> Well the Radford is back and it has been working well for the past week, with my little Rogers JR149s. The bass is MUCH tighter.

**Than what? The Krell...
Forum: High End Audio September 17th 19, 12:54 AM Posted to rec.audio.high-end
Replies: 41
Views: 2,704
Posted By Trevor Wilson[_3_]
Introducing a New Horse to the Stable

On 16/09/2019 11:01 pm, ~misfit~ wrote:
> On 16/09/2019 9:53 PM, Trevor Wilson wrote:
>> On 16/09/2019 11:43 am, ~misfit~ wrote:
>>> On 15/09/2019 1:58 AM, Trevor Wilson wrote:
>>>> On 13/09/2019...
Showing results 1 to 25 of 121

 

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