[QuadList] Question of the week

[David Crosthwait]

Bill,

I stand corrected. I had never seen one personally, but had heard about it. Perhaps it was a bad rumor.

Yes, the buffers is second to none.

David





On Mar 1, 2011, at 8:38 AM, Bill Carpenter wrote:

> Hi David and Folks,
> 
> There was no reason to build the AVR-1 with a DTBC, becuase the buffer worked so well.
> 
> The AVR-1 was out of production, when the ACR-25 was still being built and sold and the "B" version reduced building costs and test labor.
> 
> I was the product manager for the ACR-25, in1976 for a short time (maybe four months), and then turned it over to Boh Bohunicky, who worked with the "B" model, and added the DTBC.
> 
> So, no DTBC in a AVR-1 from Ampex
> 
> Bill carpenter
> 
> 
> 
> Bye for now, love to all, Bill & Gewyn & Ginger (whoof...whoof)
> 
> --- On Tue, 3/1/11, David Crosthwait <david at dcvideo.com> wrote:
> 
> From: David Crosthwait <david at dcvideo.com>
> Subject: Re: [QuadList] Question of the week
> To: "Quad List" <quadlist at quadvideotapegroup.com>
> Date: Tuesday, March 1, 2011, 8:22 AM
> 
> Don,
> 
> There was an AVR-1 with a digital TBC that was basically the same as what was in an AVR-2. However, I am not aware that the digital TBC version of the AVR-1 was a "B" model. I don't think that many were produced. The ACR25B had basically the same digital TBC. 
> 
> David
> 
> 
> 
> On Feb 28, 2011, at 3:11 PM, Don Norwood wrote:
> 
>> And when I posted the AVR-1B, I was not sure if there was a digital TBC version of the AVR-1 as there was with the ACR.  So it was a guess, but Chris said there were 21 and that was the only way I could get there.  So if there wasn't a "B", then Park will be disillusioned because I will have made two mistakes!
>>  
>> Don
>> ----- Original Message -----
>> From: Chill315 at aol.com
>> To: quadlist at quadvideotapegroup.com
>> Sent: Monday, February 28, 2011 12:20 PM
>> Subject: Re: [QuadList] Question of the week
>> 
>> I think this is the list.  But was there a B version of the AVR-1?  
>>  
>> The B version of the ACR-25 had the digital TBC rather than the glass delay lines.
>>  
>> I would like to know if there were B versions of the 1001 or 1002.
>>  
>> Bill, your turn on this one.  The rest are complete as far as I know.
>>  
>> It shows how much more we care about the Ampex brand than that other one.  We know the Ampex brand a lot better and I would be that most of the machines still in existence and running are Ampex.
>>  
>> Chris Hill
>>  
>> In a message dated 2/28/2011 11:23:01 A.M. Eastern Standard Time, dwnorwood at embarqmail.com writes:
>> Steve:
>>  
>> The 1195 was not a real Ampex model, just a name used by some for the updated machines.  The VR-1500 was helical scan.  So I've deleted those and added to your list........
>>  
>> VR-1000
>> 
>> VR-1000B
>> 
>> VR-1000C
>> 
>> VR-1001
>> 
>> VR-1002
>> 
>> VR-1100
>> 
>> VR-1100/E
>> 
>> VR-1200
>> 
>> VR-1200 B
>> 
>> VR-1200 C
>> 
>> VR-1200/E
>> 
>> VR-2000
>> 
>> VR-2000B
>> 
>> VR-3000
>> 
>> VR-3000B
>> 
>> AVR-1
>> 
>> AVR-1B
>> 
>> AVR-2
>> 
>> AVR-3
>> 
>> ACR-25
>> 
>> ACR-25B 
>> 
>>  
>> Don Norwood
>> Digitrak Communications, Inc.
>> www.digitrakcom.com
>> 
>>  
>>  
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> 
> 
> 
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