My old SAE power amp needs some help but I still have it and my old pre that still sees use. I moved on to a pair of GAS Sons of Ampzilla from the SAE, I still love James B's sound. Being a big Deadhead it goes hand in hand, Bobby Weir and Phil Lesh both used GAS amps during the Wall of Sound years, so they work well with the sound i am looking for.
http://dozin.com/godzilla/amp.htm
GODZILLA FEATURES PURE CLASS A OPERATION- ACKNOWLEDGED BY MOST AUDIO COGNOSCENTI AS SYNONYMOUS WITH THE ULTIMATE IN AUDIO AMPLIFICATION. CLASS A CIRCUITRY MEANS THAT OUTPUT TRANSISTORS WILL ALWAYS BE OPERATING AT A CONSTANT AVERAGE AMOUNT OF CURRENT. EVEN THOUGH THERE MAY BE NO SIGNAL AT THE AMPLIFIER'S INPUT. SINCE THE OUTPUT TRANSISTORS DO NOT VARY THEIR AMOUNTS OF CURRENT. CROSSOVER NOTCH DISTORTION IS COMPLETELY ELIMINATED, AND REMAINING DISTORTION CONSISTS OF IMPERCEPTIBLE LEVELS OF INOFFENSIVE LOWER-ORDER HARMONICS. AN IDLE CURRENT OF NINE AMPS ENABLES GODZILLA TO OPERATE IN THE PURE CLASS A MODE NOT ONLY INTO EIGHT OHMS, BUT FOUR AS WELL. TO FURTHER INSURE AGAINST SIGNAL DETERIORATION, GODZILLA EMPLOYS FULLY-COMPLEMENTARY SYMMETRY WHICH RESULTS IN COMPLETE CANCELLATION OF EVEN-ORDER HARMONIC DISTORTION PRODUCTS.
THERE IS MORE TO GODZILLA'S GREATNESS. ITS POWER AND STABILITY, FOR EXAMPLE, ARE AWESOME. GODZILLA IS SO COMPLETELY IMMUNE TO SPEAKER LOADING EFFECTS THAT GAS COMPANY ENGINEERS HAVE SUCCESSFULLY USED IT AS AN ARC WELDER WITH NO ILL EFFECTS. SUCH DRAMATIC CAPABILITIES SUPPORT OUR CONFIDENCE IN GODZILLA'S LOW-IMPEDANCE RATINGS. THE CLASS-A GODZILLA BELIEVERS 400 WATTS PER CHANNEL OF POWER OUTPUT INTO A ONE-OHM LOAD. AND, IF A CLASS A GODZILLA DOESN'T HAVE ENOUGH POWER FOR YOUR APPLICATIONS, IT IS ALSO AVAILABLE IN A CLASS AB VERSION WITH THE ABILITY TO DELIVER 1000 WATTS PER CHANNEL INTO A TWO OHM LOAD.
BUT POWER OUTPUT ISN'T THE WHOLE STORY EITHER, GODZILLA HAS A VOLTAGE SLEW RATE OF 600 VOLTS PER MICROSECOND - AN UNPRECEDENTED FIGURE IN AN AUDIO AMPLIFIER. THIS ASTONISHING SLEW RATE IS EVEN MORE MIND-BOGGELING WHEN VIEWED TOGETHER WITH GODZILLA'S BANDWIDTH OF 350KHz. FRANKLY, THERE IS NO MUSICAL SIGNAL - HOWEVER COMPLEX OR WIDEBAND, HOWEVER LOUD OR TRANSIENT - THAT CAN CAUSE GODZILLA TO SLEW. GODZILLA IS THE FASTEST HIGH POWER AMP ON MOTHER EARTH.
Bobby started using his Godzilla amp in 1978.
Power output: 400w with 8 speakers
750w with 4 speakers
1200w with 2 speakers
Phil started using his Godzilla amps in 1980. His amps were modified for 2500W of power mono. That's why you could feel the PUNCH on the 50 yard line : )
Phil started off using 8 Amps at once but slimmed down
to two by the 90's.
You have to love an amp you can listen to by night and weld with by day. lol
Jim