Archived posting to the Leica Users Group, 2009/01/15

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Subject: [Leica] OT: Audiophile Question
From: glehrer at san.rr.com (Jerry Lehrer)
Date: Thu Jan 15 17:17:55 2009
References: <COL119-W39405754CB1E7C351F1C4282D70@phx.gbl><47EE8D0F-6719-40C1-A0A6-936F656C9079@verizon.net><011520091923.15794.496F8D3C000A7AE600003DB2223045151403010CD2079C080C03BF970A9D9F9A0B9D09@mchsi.com> <28BE1DC7-EB33-41E8-A054-9AAFD64F07B9@verizon.net> <011520092055.15828.496FA2BE0007D4A200003DD4223045151403010CD2079C080C03BF970A9D9F9A0B9D09@mchsi.com>

Len and Gene

Even with the very best RCA type connectors and the best cables, RCA 
connector/cables pick up
interference unless they have an added external shield, grounded to the 
source only.

Jerry


grduprey@mchsi.com wrote:
>  
> Len,
>
>
> Yes, I would not use Radio Shack RCA, or any connectors for that matter.  
> Yes, A proper RCA is a very good connector, but the cheap ones are indeed 
> disasters.
>
>
> Gene
>   -------------- Original message from Leonard Taupier 
> <len-001@verizon.net>: --------------
>
>
>   
>> Gene,
>>
>> The problem is not with high quality RCA connectors. It is with cheap  
>> connectors that are made from metal that is too soft so it loosens up  
>> with just a little movement. I'm sure the government didn't buy their  
>> parts from Radio Shack. By far the greatest use of XLR is for  
>> professional microphones.
>>
>> Len
>>
>>
>> On Jan 15, 2009, at 2:23 PM, grduprey@mchsi.com wrote:
>>
>>     
>>> A bit of info on RCA connectors:  A properly put together RCA  
>>> connector will not go intermittent.  As simple as they are, it is  
>>> hard to not put one together correctly.  The US Navy required them  
>>> during WWII, and Collins Radio used them all the time for their Ham  
>>> Gear, (Which by the way was also used by the US Government, and  
>>> others).  My current installation has been up and running for 8  
>>> years and no intermittents, and previously setup for 13 years with  
>>> no connection problems with RCA connectors.  By the way, all of my  
>>> microphones, except one, use XLR connectors, which are also quite  
>>> good.
>>>
>>>
>>> Cheers,
>>> Gene
>>>
>>>  -------------- Original message from Leonard Taupier  
>>> : --------------
>>>
>>>
>>>       
>>>> Hi Greg,
>>>>
>>>> When using the XLR inputs and outputs you are using a balanced system
>>>> which should improve the signal to noise and increase the signal
>>>> level by 3 db. Also RCA jacks are much more likely to become
>>>> intermittent. XLR connections are superior and are generally found on
>>>> more expensive equipment where audio quality is the prime
>>>> consideration. Of course the cables themselves can be very expensive
>>>> and can include filter networks to further improve audio quality. Do
>>>> some research on the subject.
>>>>
>>>> Regards,
>>>> Len
>>>>
>>>>
>>>>
>>>>
>>>> On Jan 14, 2009, at 10:44 PM, Greg Lorenzo wrote:
>>>>
>>>>         
>>>>> I've got a new amplifier to hook-up to a new pre-processor. I can
>>>>> connect the two together with either RCA or XLR cables.
>>>>>
>>>>> Is there a noticeable benefit to hooking these up with XLR cables
>>>>> rather then RCA jacks?
>>>>>
>>>>> The distance between both units is approximately 4 feet.
>>>>>
>>>>> Greg Lorenzo
>>>>> Calgary, Canada
>>>>>           


Replies: Reply from frank.dernie at btinternet.com (FRANK DERNIE) ([Leica] OT: Audiophile Question)
Reply from grduprey at mchsi.com (grduprey@mchsi.com) ([Leica] OT: Audiophile Question)
In reply to: Message from gregj_lorenzo at hotmail.com (Greg Lorenzo) ([Leica] OT: Audiophile Question)
Message from len-001 at verizon.net (Leonard Taupier) ([Leica] OT: Audiophile Question)
Message from grduprey at mchsi.com (grduprey@mchsi.com) ([Leica] OT: Audiophile Question)
Message from len-001 at verizon.net (Leonard Taupier) ([Leica] OT: Audiophile Question)
Message from grduprey at mchsi.com (grduprey@mchsi.com) ([Leica] OT: Audiophile Question)