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    Enzo, Yes, I did contact Kustom. They have little...

    Enzo, Yes, I did contact Kustom. They have little if any documentation dating back as far as this unit, so no help there.
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    Another thought....as you can see in the photo, I...

    Another thought....as you can see in the photo, I have cables plugged into the pre out / main in jacks. They go to an external digital reverb unit. So, for now I do have reverb, but I have never...
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    Thanks for your thoughts. I have owned and gigged...

    Thanks for your thoughts. I have owned and gigged with this amp for many years, and has served me very well. For my purposes, six channels has always been more than sufficient, and I like to...
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    Hello, Thought I would pipe in with a schematic...

    Hello, Thought I would pipe in with a schematic for a 1344. I know this thread discusses a 1334, but the 1344 was mentioned, so for anyone that needs this schematic, here it is.
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    Kustom K6320 PA head

    Hi,
    I own a Kustom model K6320 PA head with a noisy reverb. I suspect a noisy transistor in that circuit. I have searched the internet for a schematic, and come up with nothing! Can any of you...
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    JM, I used an 1800 ohm resistor, not...

    JM,
    I used an 1800 ohm resistor, not 1200....and I agree, this is awful high to simulate a light bulb, however, this is the resistance value that produced the nicest sounding tremolo. So, perhaps...
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    Randall, Sorry, I never did measure that...

    Randall,
    Sorry, I never did measure that voltage. I simply put a pot in series with the LED, and adjusted it for best performance. Then just measured the pot, and replaced it with a resistor of...
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    Patlaw, Glad to post my design. Keep in mind,...

    Patlaw,
    Glad to post my design. Keep in mind, you may have to make adjustments with these resistor values, considering what type of photoresistor you use, and the type of LED. I simply looked...
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    Olddawg, Ha! I had to laugh with your...

    Olddawg,
    Ha! I had to laugh with your suggestion. This is exactly what I did last night. Indeed, a white LED with a photo resistor. First, I put a pot across where the photo resistor was...
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    Randall, I finally did find the schematic, and...

    Randall,
    I finally did find the schematic, and it's the very same one you just sent me...thanks anyway for that. This amp, contrary to the Fenders, uses an incandescent bulb instead of a neon...
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    Mick, Thanks for that link...I'm afraid it...

    Mick,
    Thanks for that link...I'm afraid it doesn't help me much. Interesting reading, though. I understand the Randall amps are similar to Fender in design, so perhaps a fender device will work....
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    Enzo, Thanks for your interest, and I appreciate...

    Enzo, Thanks for your interest, and I appreciate your help. So far I have been unable to find a schematic for this amp. I did open up the roach, and found an incandescent lamp, and photo resistor. I...
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    tremolo "roaches"

    Hello,everyone,
    I am currently working on a Randall commander II. The tremolo does not work due to a faulty "roach". As some of you know, and some may not, the "roach" is a four legged component...
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    Enzo, I grabbed a copy of the schematic from...

    Enzo, I grabbed a copy of the schematic from here...thanks for posting it! In my case, all the C and C# keys do not work. Haven't looked into it yet, other than a quick look at the schematic. Looks...
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    Helmholtz, It's been a while since I have worked...

    Helmholtz, It's been a while since I have worked on any amps that use four 6L6 tubes. Next time I do, I'll come back here with further observations.
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    Chuck H, Indeed, I become more and more aware of...

    Chuck H, Indeed, I become more and more aware of this, and more and more disappointed that these manufacturers are doing this. The owner of the above mentioned Harbinger speakers is the lead vocalist...
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    Hello everyone, It's been a while, and the amp...

    Hello everyone,
    It's been a while, and the amp in question is long gone back to a happy customer. I have had more of these sort of amps in my shop, and I find the same issues with them all...they...
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    David, Indeed, the bass side (E and A) had more...

    David, Indeed, the bass side (E and A) had more of a problem than the other. I went ahead and swapped the two wires on the bass pickup. It improved it some, but not perfect. I suppose this is the...
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    Thank you all for your thoughts. Helmholtz,...

    Thank you all for your thoughts.
    Helmholtz, not sure what you mean by "reverse wiring", however, this schematic shows how the bass is now wired. I looked up wiring schemes, and I often see this as...
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    A cancelling effect between pickups

    I thought I could fix anything, but this one has me stumped. Some help from you experts would be greatly appreciated! Concerning a Fender P bass. The neck pickup is the original split pickup style....
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    JM, Of course....I appreciate your wisdom....

    JM,
    Of course....I appreciate your wisdom. Sometimes it is not prudent to make assumptions. So, including the corrected schematic here one more time for anyone out there that is attempting to...
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    JM, thanks for your scolding! Indeed, the 6.5mfd...

    JM, thanks for your scolding! Indeed, the 6.5mfd figure is one I pulled out of the air, based on my experience working with crossovers. And, Helmholtz, I agree with you, since the other speaker works...
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    I received the other crossover from the customer....

    I received the other crossover from the customer. It is in working condition. I promptly measured the capacitors. The 1.5 is indeed 1.5. The larger white cap measured .6mfd. This surprised me. I was...
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    Nevetslab, Thank you for the test procedure for...

    Nevetslab, Thank you for the test procedure for testing these caps. I am well aware of this procedure. Suffice it to say, I have determined without any doubt that these two caps are bad, and need...
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    Helmholtz, Ha! You're right, indeed the choke...

    Helmholtz, Ha! You're right, indeed the choke does stay in the circuit...my mistake.
    Anyone out there care to make an educated guess as to the value the 6.5mfd cap should be? Should it be, indeed,...
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    Helmholtz, Indeed, the 45 resistor and choke ARE...

    Helmholtz, Indeed, the 45 resistor and choke ARE out of the circuit in normal mode. Look at the connections to the relay contacts. The 45 resistor is shorted in normal mode. Anyway, what I am after...
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    Juan, Indeed, measured the caps - both bad!! I...

    Juan, Indeed, measured the caps - both bad!! I took another look at the unit as I suspected I made an error in the schematic, but no, the schematic is correct. Upon initial use of this crossover, the...
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    Juan, thanks for your continued help. I wrote in...

    Juan, thanks for your continued help. I wrote in 4 and 4 just as a guess, as 8mfd would be a typical value for a tweeter crossover. Indeed, the yellow cap would be either a 1.5 or 15. So a good guess...
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