From: Garey Barrell 
Subject: Re: [drakelist] TR7 and SB200


Marty -

The TR-7 has an output level control allowing you to set the 
output from very near 0 to 120W (Drake recommended output on 
20M).

It also has negative ALC voltage control.  I don't know what 
the SB-200 ALC output is, but it's probably compatible.

73, Garey - K4OAH
Atlanta

Allen (Marty) Martin wrote:
> The 140 watt output of the TR-7 is kind of high for the SB-200...
> 
> Marty
> 
> ----- Original Message ----- 
> From: "Garey Barrell" 
> To: "john" ; "Drakelist"

> Sent: Friday, April 09, 2004 7:12 AM
> Subject: Re: [drakelist] TR7 and SB200
> 
> 
> 
>>John -
>>
>>The TR-7 uses a "real" relay, and should be able to key the
>>SB-200 easily.  The relay is similar to the one used in the
>>4 Series and the contacts are rated at 3A maximum and 1000V
>>breakdown.  The problem is with the (primarily) Japanese
>>rigs that use small reed relays for amplifier keying.
>>
>>73, Garey - K4OAH
>>Atlanta
>>
>>john wrote:
>>
>>>Is anyone using this combination?
>>>
>>>I wonder if it's advisable to use an external relay to control
>>>the amp, or whether the TR7 switching can handle it as-is?
>>>
>>>Sage advice of the Drakelist greatly appreciated!!!
>>>John
>>>
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