Question about TC Electronic 990900011 BH500 - 500 Watt Bass Amp Head

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Genz benz bass cabinet buzzes when using it with a BH500 head

The genz benz cab is 6 x 10 rated at 900watts. The head is 500watts. All cables and leads are brand new and the ohm settings are compatible. The amp played well initially and then started to buzz badly like the speakers had blown.

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I have a buzzing noise on all extensions on a per cab, I have just replaced the per cab but the buzzing/humming noise is still present, any ideas?


Noise troubleshooting (part 1) ' - Gilmourish

www.gilmourish.com/?p=1211
Mar 21, 2010 - You've probably experienced hearing this loud buzzing from your guitar and if you ... strips) but in any case, make sure that all extension cables have ground! .... never used an instrument cable between the head and speaker cab... ... Each unit has separate lines for each pedal for a more consistent signal.

G1962 Noise: The Invisible Hazard - MU Extension

extension.missouri.edu > ... > Safety and health

University of MissouriFarm workers experience one of the highest rates of hearing loss among alloccupations. This is ... Frequency is measured in cycles per second, also called hertz (Hz). ... to noise: temporary threshold shift (TTS) and ringing in the ears (tinnitus). ... Just as tractors are different, so are cabs in their ability to reduce noise levels.

Questions, Troubleshooting Help & Support Page 8 - Fixya

www.fixya.com/troubleshoot/page-8
Get free troubleshooting help, expert advice, repair guides & DIY tips for all your ... I have a buzzing noise on all extensions on a per cab, I have just replaced the ...

The Hospital - Volume 21 - Page 110 - Google Books Result


Jan 20, 2016 | Cars & Trucks

1 Answer

Trying to connect peavey tour 700 to a trace elliot 1518 bass enclosure. Plug the enclosure to the back of the amp. Then plugged my bass into the high gain. Turned it on and nothing happens.


Check continuity on all cables, try a different cabinet with the head and a different head with the cabinet and the bass with a different rig to see which part of the chain isn't working, make sure the volume controls are turned up on both the amp and bass. Once the problem is narrowed down it will be easier to advise you.

Oct 12, 2014 | Music

1 Answer

Acoustic b600h


Relay?? I've never seen a guitar or bass amp with "speaker protection relays"...usually they're either on or off. Check the simple stuff 1st...is speaker cable from head to cabinet and/or the input cable from bass to the amp good? Check the "Direct Out" for a line level signal (must be connected to a PA or other amplifier) as this is your preamp out signal. Also, plug a shielded cable from "Effects Send" to "Effects Return"...this will verify "effects" loop issues if any. Lastly, vibration test...use a clenched fist across the top, sides and bottom of wood cabinet to lightly "jar" the internal circuits. If it starts working even for an instant, I would suspect intermittent connection inside.

Jul 30, 2014 | Acoustic B600h 600W Bass Head And B115neo...

2 Answers

Amp not comming on until strings played hard.


Check your cables - I've had similar problems with various amps playing various guitars; the guitar electronics and the amp electronics are fine, but the cable is damaged internally and this causes the same problems as you have described. Have you tried using a different cable? Buy a different one, try it out, and see if you have the same problem. If you have a friend who plays, let them plug their cable and guitar in the amp - if it works, your faulty cable is the issue. Hope that helps!

May 01, 2013 | Genz Benz Shenandoah 150lt Acoustic Amp...

1 Answer

Can i connect 2 (2x12) cabs rated @ 4ohms each to my avt50 head?


No, the ATV50 head is rated for 4 ohms total. Using both 4 ohm cabinets at once will fry your amp.

Feb 12, 2013 | Marshall Amplification Music

1 Answer

Can i connect 2 (2x12) cabs rated @ 4ohms each to my avt50 head?


No, the ATV50 head is rated for 4 ohms total. Using both 4 ohm cabinets at once will fry your amp. Your only option would be to rewire your cabs internally to 16 ohms each by connecting the speakers in parallel, but that would cut your amp's power in half.

Feb 12, 2013 | Marshall Amplification Music

1 Answer

Genz Benz Tranzamp G8 amp my son just bought at a garage sale makes a horrible buzzing sound. I tried cleaning the plugs on both end with 3M sponge. Now, not as much buzzing but still no sound coming...


Sounds like the power amp section of the circuitry has a fault.Not easy to fix unless you are familiar with electronic circuitry.Take it to a repairer and ask for an estimate.It may be cheaper to buy another(new) amp.

Jun 18, 2011 | Genz Benz Tranzamp By Genz Benz G15 20...

1 Answer

I use an SVT450H with the SVT410E and the SVT15E both 8 ohm Ampeg cabs. I have to have the main gain on 5 to 6 and the master volume on 7 to 8 and that is in smaller venues. I use a 1964 Fender Jazz Bass...


Check to see the phasing of the two cabinets and the cable. Take a 9 volt battery and touch it to the end of a cable that is plugged into the cabinet. The + of the battery has to be on the tip, and the - to the sleeve. See If the speakers move outward. Check each cabinet if they do then they ae in phase. Now try it with the second cable the results should be the same. If not and they move in the opposite direction then that cable is wired wrong. If one of the cabinets move in the opposite direction than the cabinet is wired wrong. You can also run one cabinet at a time if they sound louder by them selves that should also tell you that something is out of phase.

Jun 17, 2011 | Ampeg SVT 450H Classic Series Solid state...

1 Answer

My 200hd head is not putting out the full 200 watts i have a behringer 8x10 cab and before this head used to power this cab fine now even with the volume cranked you cant even feel the bass i have...


I am not sure how you are measuring the power output to verify it is less than 200 watts. With a true RMS voltmeter you should see 28.28 volts RMS across a net speaker load of 4 ohms. If you use only one 8 ohm speaker, you will get 120 watts. If you are getting the 28 volts there is nothing wrong with the amp. You MAY have blown the speakers OR not generating much bass due to processing in an EQ. I assume you are using at least 15 inch speakers if you want to feel bass. Look up your speakers specs... you will need speakers capable of 32 Hz to feel much. With this amp your speakers should have aa total rating not less than 400 to 600 peak watts or around 300 watts RMS continuous power rating. Using a lot of high end EQ will keep the amp busy at the high end and reduce the power available at the bass end.

May 06, 2011 | Kustom Deep End 200HD 200 Watt Bass Amp...

1 Answer

This bass squels if you have a bass head and cabinet. i had a 100W amp and it played fine then upgraded to a head/cab. tryed playing it with loud volume, squels. anyway to fix this?


Turn down the treble gain and mid gain... you don't need it for a bass. Prevent the guitar from "hearing" the output of the amp directly. The guitar strings make a good microphone.

Feb 27, 2011 | Epiphone EBO Electric Bass Guitar...

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