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Saying Hi! [message #27201] Fri, 15 February 2019 17:40 Go to next message
bahill60 is currently offline  bahill60
Messages: 1
Registered: February 2019
Junior Member
Hey everyone, I'm Bob, I decided that I want to learn how to play the bass, I'm 60. My son bought me a bass and I picked up this Kustom combo amp for $150. It has some scratchy pots and inputs, but that's easy to fix. Im trying to find out as much info as I can about this amp. On the front it says 150 and on the back the model number is K150-6. It has 1, 15 inch Altec speaker and looks like the picture on this site wit a model number of 1-15AB SC. I've been trying to find an owners manual for it, with no like. Since I'm new to this, I'm not sure what everything does. Can you play both channels at the same time? Whats the difference between high and input? Things like that. Anyway any any info will help, thanks.
Re: Saying Hi! [message #27202 is a reply to message #27201] Sun, 17 February 2019 00:22 Go to previous messageGo to next message
Messages: 1935
Registered: April 2003
Senior Member
Welcome to the place Bob!

Your amp is designed for bass instruments. Both of the channels are the same with basic Volume, Treble and Bass controls and a bright switch. Both channels can be used at the same time.

Each channel has a bright and a low input, which refers to tonal differences. The bright input puts a capacitor in series with the signal input which limits the bass response of the input. The low input has no capacitor so it has the full bass response available from the circuit.

The power amp delivers 75 watts rms or 150 watts peak power, thus the 150 model name.

I don't know if there ever was an owner's manual available for that amp, but there's not much to it so plug in and wail away!
Re: Saying Hi! [message #27203 is a reply to message #27201] Sun, 17 February 2019 06:22 Go to previous message
stevem is currently offline  stevem
Messages: 4224
Registered: June 2004
Location: NY
Senior Member
Hello and welcome!
You have a great amp thetre with a much lauded Altec 421 model bass driver!
The scratchy pots/ controls on these latter type boards are not easy to clean & lube up, as they are such that thetre big open slot area where you want to get the spray in is on the circuit board side that they are mounted on.

What I now do is remove the board and with my Dremel tool with a grinding stone in it grind on the top of the control at its rear until I am almost thru, then I carefully poke thru it with a sharp metal scribe.
I make a hole just big enough to get the spray tube in .
Note that when you grind you should hold the board such that the metal grinding fall away from the board.

The other way to get this done is to use a solder sucker and in-solder each pot that needs to be cleaned & lubed.

By the way that Altec speaker in the amp is worth the 150 bucks you payed for the amp!

[Updated on: Sun, 17 February 2019 06:23]

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