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kr236rk

Boss CH-1 Super Chorus Pedal: stereo how?

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Hi,

 

Experimenting with Boss CH-1 Super Chorus Pedal between two small Fender practice amps. The A (mono) output gives me a nice clean signal, but the B output to a second amp gives me hum. What am I doing wrong please? Thanks :) [h=1][/h]

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cable/too many grounds/ ?

What's powering the Boss?

 

Was using a 9v wall wart. I swapped to a 9.6v & now I have clean signals going to either amp. :cool11:

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Was using a 9v wall wart. I swapped to a 9.6v & now I have clean signals going to either amp. :cool11:

 

No idea why though :-o :lol:

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Thanks. That 9.6v wart was for an Electro-Harmonix (something), I have so many of these plugs now [sigh]. The specs give: "Power Supply ~ Carbon-zinc battery (9 V, 6F22) or Alkaline battery (9 V, 6LR61), AC adaptor (PSA series: sold separately)".

 

https://www.boss.info/us/products/ch-1/specifications/

 

PSA series are: "500 mA of current to easily power multiple pedals, even digital ones", no mention of voltage.

 

https://www.boss.info/us/products/psa_series/

 

This site lists a "smaller, upgraded version delivers 9v DC at up to 500mA (previous version PSA-240 was only 200mA) and accommodates more than one Boss effects pedal to be connected and operated at the same time by using power supply link cables. The PSA-230 ES can be used in conjunction with the Boss TU-2, LS-2 or NS-2 and Boss daisy chain lead to power up to 7 of your Boss pedals."

 

https://www.gear4music.com/Guitar-and-Bass/Boss-PSA-230-ES-Power-Supply/C7F

 

So 9v listed here.

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