[Drake] Drake L4B Dedicated 1000watt+ 6m Amplifier

Jim W7RY Jim W7RY" <[email protected]
Sat, 16 Nov 2002 08:09:01 -0800 

I wish when you posted links for pictures....they WORKED!

73
Jim W7RY

----- Original Message ----- 
From: <[email protected]>
To: <[email protected]>
Cc: <[email protected]>
Sent: Saturday, November 16, 2002 5:00 AM
Subject: [Drake] Drake L4B Dedicated 1000watt+ 6m Amplifier


> Offering for sale a near mint Drake L4B linear amplifier retrofitted and
> dedicated for 1000W+ output on  6m ONLY  with 100w of drive. Clean, full
> output Eimac 3-500's.  Aesthetically, unit appears stock Drake except
> interior cabinet refinements have been made to the RF deck to allow for
> 1mHz DX chasing  band excursions without  retuning. Modifications
> include:
> a. 220-240VAC operation
> b. "T" match/ variable inductor  front panel  fully adjustable tuned 
> input  (zero SWR) and compatible with solid state exciters;mounted in   
>  place of  bandswitch)
> c. 12VDC heavy duty 3PDT  replacement antenna changeover relay for solid
> state exciter relay switching  compatilbility
> d. Broad banded and dedicated 3/8" silvered plate coil
> e. Replacement antenna and plate tune capacitors for broad banded tuning
> and ease of achieving resonance
> f.  Replacement HV plate choke on porcelain  rod. 
> g. Dedicated 12VDC antenna changeover power supply
> h. Replacement plate parasitic chokes
> i. Mica tuned input blocking capacitor
> Amplifier  appears OEM Drake. Front panel rotary switch places the amp in
> the standby mode. No ALC required.  The power supply is  mint and stock
> Drake in all aspects. All HV and secondary voltage circuits are stock
> Drake.  All original factory  cartons. Will include a schematic with RF
> deck changes.  $1100 prefer pickup in Scranton, Pennyslvania, New York
> City, or New Jersey (GSP117A) areas. 
> 
> for a digital of the amplifier see http://briefcase.yahoo.com/W2CQMron 
> and click on Drake 6m Retrofit
> 
> _______________________________________________
> Drake mailing list
> [email protected]
> http://mailman.qth.net/mailman/listinfo/drake
> 
>