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Got these voltages today.Left side is pin 3 to ground of 6ca4.Right side is 120vac in. Happy with these numbers.Now to get a signal in.Need a preamp.

Today Sunday 2/2/20 my unit produces AC voltages of 244-0-244 and 6.9 on thr heaters.Can I live why these numbers? The pilot lamp will not light. Bulb looks good under a magnifying glass and the circuit seems simple enough,just the bulb in series with the Black / Red and the Brown wires,right...

Maybe I can get some help from you guys? My transformer has the following colored wires on one side ( primary ) Then the other side: BLACK...

"...no phase reversal from primary to secondary..." means go with the color code provided in the OT schematic per mfg? I thought they were phase dots but if you held a gun to my head I couldn't tell you anything about them. Thank you I'm getting close to done on an 8601 near scratch...

Dave thank you so much for your patience and continued interest in helping us out on understanding what goes where and why on these amps.May I ask a question on the schematic? I am not familiar with the black dot on the primary side black wire ... is it connecting to the Brn/Yellow ? And again...

When I put power to the amp I can hear crackling noises and the red protection lamp comes on followed by an automatic shut down. Too much for me to handle. Anyone onboard that can have a look for me? Not for free.I'm paying. Please let me know at tomwardusmc@gmail.com Thank you

Thank you knockbill and ferninando

Got this small amp a few years ago...maybe three years ago. And I don't know what it is. In that time I have begun to use reel to reel tapes and would like to hook this up to a Revox A77 mk2 deck. Can I hook that deck to this amp with no preamp? "ANY" help would be greatly appreciated. Thank You

right now the 220D is the only deck working. The 630 makes a clicking noise when put in gear and the take up reel seems to run at only one speed...to fast.

Love you guys. Thank you Kent. Now I have to read about biasing as it applies to the Akai. I recorded off a CD > tape and can hear low wind instruments like maybe an oboe or woodwind in a jazz recording. It seems that the tape is revealing some really low lows that I had not heard on this...

Thank you Blue.

O.K. thank you guys.

What should I be looking for in an audio tape to record from CD's? This will be used on an Akai GX220D or Akai GX630DB. So much information on types of tape,I'm trying to cut to the chase.

O.K. thank you whoaru99.

The potentiometer markings have always been a mess for me.Now I am to fix a broken pot on a small guitar amp known as a Gorilla TC35.Here is the schematic link: http://www.prowessamplifiers.com/schematics/misc/Gorilla_TC35-Gorilla_TC35_Circa_Mid_1980s.html The pot to be replaced is marked...

What might one expect to hear if running two of these in mono? The owners manual shows how to set it up so I got interested in what to expect. Volume is not a real big deal for me and my volume control rarely goes beyond 10 o'clock or so. So if it is volume only...o.k. but I won't pursue it.

More than two years late but wtf I can add that I made a set of RG6 interconnects last week after the cable guy left 50 feet of it in my garbage can from a DISH satellite uninstall.I am using them from the preamp to the power amp and the sound is noticeably better.That means cleaner bass with...

Resurrecting an old thread...and I'm late to the game but are the rave's still coming in or has time revealed any limitations I should know about?

Not to hijack the thread but maybe I can ask a pot question? I am now convinced the pot makes an audible difference. What would be the noticeable difference between a 10k pot and a 250k pot used as volume?

Thanks for that link.

Its easy enough really. Learn to solder on something that does not matter. Learn what a cold solder joint is and when you make no more,you're good to go. An electronic piece that is older than about 7 to 10 years has capacitors in it that should be replaced if you want to hear sound as good...

How are you making out with this recapping?

Does anyone have the link to videolady's Tier One white paper? I'm on a new (used) computer and don't have the link saved here. Many thanks.

Well...that ends that little project. Thanks Tom