Drake twins work perfectly with the TW-1.  You have exactly what I'm using 
with the exception that I stick an amplifier in between sometimes.  The TW-1 
works better than anything I've ever had, both for tune-up and for measuring 
other stuff.
The Other Howard, WA9RYF
----- Original Message ----- 
From: "Pat Byrne" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, December 07, 2011 8:06 PM
Subject: Re: Drake Twins


> They should work very well Mike.
> pat, K9JAUAt 07:21 PM 12/7/2011, you wrote:
>>Hi all:
>>
>>I think there are a couple of people on this who either own a set of
>>Drake twins or have extensive experience. Well I got a bead on an
>>excellent condition twins. TX4C, R4C, MS4 speaker, with AC4 supply
>>and 775 desk mic. How would this setup work with the TW-1?
>>
>>TNX & 73:
>>Michael De VO1RYN
>>
>>Sent from my iPhone