Yeah, the fans in my HP 8566A spectrum analyzer and 8350B sweeper are pretty darn loud, too.? Don't have a 7904A to compare, just a 7904.? FWIW.?Jim Ford?Sent from my Verizon, Samsung Galaxy smartphone
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-------- Original message --------From: fiftythreebuick <ae5i@...> Date: 5/29/20 10:09 AM (GMT-08:00) To:
[email protected] Subject: Re: [TekScopes] Advice about buying a 7904 Hi Reg-What y'all need to solve the fan noise problem on the 7904 is a Type 555 mainframe!? Just turn it on for a little while and when you turn it back off you won't even realize the 7904 is on!? <laughing>The 555 is my favorite scope, but it does have two very serious fans!73Tom AE5I