NRPavs   Oldies but Goodies  Mission  772 mk2  stereo  power  amplifier  details
Oldies but Goodies product details : 
Mission  772 mk2
stereo  power  amplifier
 
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repair

testing


 
 
Mission  772  stereo  power  amplifier  :  image #1
Mission  772  stereo  power  amplifier  :  web image #2  - internal view
Mission  772  stereo  power  amplifier  :  image #3
Mission  772  stereo  power  amplifier  :  web image #4  - back  view of mark one version
Mission  772  stereo  power  amplifier  :  image #5
Mission  772  stereo  power  amplifier  :  image #6
   Under repair and final testing
S/N: 7720187mk2    new images soon
 
 
sitemap              Mission  772 mk2  stereo  power  amplifier  specifications                Back to NRPavs Home  
        Mission  772 mk2  stereo  power  amplifier  - grey :
   From designer Stan Curtis : The 772 power amplifier was a development of the Lecson AP4 Class A power amplifier but with a Class AB output stage based around three cascode pairs of MJ4502/MJ802 power transistors
   This was a dual monobloc with each channel having a huge power supply comprising a Holden & Fisher toriodal transformer and a pair of large Sprague computer grade capacitors
   As I recall this amplifier was good for about 160 watts per channel into 8 ohms and something like 250 watts per channel into 4 ohms

   This product was launched at the Harrogate Audio Fair where the prototype featured a novel feedback system which largely mittigated the effects of the loudspeaker cables
   A third cable was wired to the loudspeaker terminals and fed back a signal to the amplifier.  It was easy to hear it working but the idea was dropped for production as being "too complex" for the average buyer of the time

   Another quote from Stan Curtis : The Mission 772 power amplifier was a development of the Lecson AP4 Class A power amplifier but with a Class AB output stage based around three cascode pairs of MJ4502/MJ802 power transistors
   Mission made approx 250 of these amplifiers in 1981/82 [this example is the mark 2 version, which must be even more rare]
   The Lecson AP4 was a monoblock that was produced in very small numbers in 1978 to 1979, and was considered better than the Krell KSA-50 when it was being shown in the US
   The only major difference between the AP4 and the 772 was how the design was biased (Class AB vs Class A for the Lecson) and that the 772 was a stereo amplifier


Specifications :
  -:®:-   Vintage : 1980 to 1982 model
  -:®:-   Power output : 160 watts per channel into 8ohms (stereo),  250W at 4ohms
  -:®:-   Specifications to be improved . . .
  -:®:-   Dimensions [W x H x D] : 495 x 125 x 330mm
  -:®:-   Weight : 22.7kg each  packed each: 24.5kg


   Under repair and final testing



Fastway couriers : packing $5,  Rural add $6,
   each extra 5kg :  add $6.00 NI, $11.80 SI

Auckland @ $7.75 $25

North Island @ $12.35 $36

South Island: < 2kg @ $6.95  NA 

South Island: 25kg @ $21.25 $63

Payment options :

   CASH on delivery by arrangement : Northland, Auckland buyers

   By  bank payment : 12-3021-0161709-00   ASB   name: N R PARKIN

   By credit card :   Use   Pay Now  option on
trademe     or,
                   Use secure     PayPal  payment on our email money request

ParcelPost : NOT offered








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