[Drake] Drake AC3 and AC4 power supplies

[Garey Barrell]

Or the ALC connector.  Neither was required  by the TR-3 that the supply was designed for.  Once the 
T-4X came along we solved that by adding RCA 'pigtails' out the back of the Jones connector.  Some 
just moved the existing Speaker pigtail over to the contacts for the Amp T/R.

73, Garey - K4OAH
Glen Allen, VA

Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
and TR-4/C Service Supplement CDs
<www.k4oah.com>


Paul wrote:
> The AC3 does not have the Amplifier T/R relay connector.
>
> -----Original Message-----
> From: drake-bounces at mailman.qth.net [mailto:drake-bounces at mailman.qth.net]
> On Behalf Of richard radke
> Sent: Monday, November 28, 2011 8:13 PM
> To: John King
> Cc: Drake at mailman.qth.net
> Subject: Re: [Drake] Drake AC3 and AC4 power supplies
>
> John,
>
> The AC-3 is open frame and came (built for the TR-3) out before the
> AC-4 and it's enclosed...They're interchangeable among the
> rigs...Everything works with everything...Someone was thinking back
> in the day...You could upgrade a piece at a time
>
> Rick
> W9WS
>
>
>
> On Nov 28, 2011, at 6:29 PM, John King wrote:
>
>> I have several AC4 power supplies and recently acquired two AC3
>> power supplies.
>>
>> What are the major differences between the AC3 and AC4.
>>
>> Were they made for different models of Drakes? If so which power
>> supply for which radio?
>>
>> Thanks for the information. 73, John, K5PGW
>>