‰ NOW 30 WPM ‰ TEXT IS FROM JANUARY 2016 QST PAGE 57‰ OVERHEATING. DURING THAT TIME THE ALS 1306 FANS DID NOT SPEED UP, AND NO THERMAL ALARM WAS GIVEN. OF COURSE THIS IS NOT A PERFECT TEST, BUT DOES INDICATE A GOOD STARTING POINT. THE AMPLIFIERS PROTECTION CIRCUITRY WILL LET YOU KNOW IF YOU OVERDO IT. SOME THOUGHTS ON AN ANTENNA TUNER UNLESS YOU HAVE A NEAR PERFECT ANTENNA SYSTEM, THE ALS 1306 WILL REQUIRE AN ANTENNA TUNER FOR FULL POWER OPERATION. SINCE ITS A NO TUNE AMPLIFIER, AN AUTO TUNER MAY BE YOUR FIRST CHOICE. MY MFJ 998 HANDLES 160 10 METERS NICELY, AND PROVIDES AMPLIFIER DISABLING DURING TUNING AND/OR HIGH SWR CONDITIONS. SINCE MOST 6 METER ANTENNAS ARE RESONANT AND WELL MATCHED, 6 METER ANTENNA TUNER CAPABILITY USUALLY ISNT NECESSARY. HOWEVER, WHEN MY MFJ 998 IS BYPASSED, THE SWR AT 6 METERS IS A LITTLE HIGH AT ABOUT 1R5 1. FURTHER, IT WOULD BE MORE CONVENIENT IF THE MFJ 998 FOLLOWED TRANSCEIVER BAND CHANGES, AS DOES THE ALS 1306. CONCLUSION IF YOUVE BEEN CONSIDERING A HIGH POWER SOLID STATE AMPLIFIER, THE AMERITRON ALS 1306 MAY FIT YOUR NEEDS. ITS WELL PROTECTED 1200 W PEP OUTPUT, NO TUNE OPERATION, AND AUTOMATIC BAND SWITCHING PROVIDES SIMPLE INSTALLATION AND OPERATION. MFJ ‰ END OF 30 WPM TEXT ‰ QST DE W1AW ƒ