[sdiy] ARP2601 question

[Dave Manley]

On 2/26/2011 11:46 AM, Bob Weigel wrote:
> On 2/26/2011 12:41 PM, Dave Manley wrote:
>> On 2/25/2011 9:12 PM, Bob Weigel wrote:
>>> I just have the 2600 downloads of course on this. I have an odd thing that might be just something not configured right etc. Both speakers make good sound..but
>>>
>>> 1) pan to the right and all sound pans to zero.
>>>
>>> 2) You can put a plug in the left in, tap and get a buzz..not so in the right in
>>>
>>> 3) neither reverb works at the moment..it appears there is reverb amount to right and left or am I misunderstanding those controls?
>>
>> What you're describing is weird - if both left and right speakers work
>> then there shouldn't be any way panning to the right causes both left
>> and right speakers off.
>>
>
> That's how it appears on the schematic I'm looking at :-). Quite strange. I'm getting levels that sound like it's in mono mode with the volume slider on the left by the speaker there having control
> over BOTH speakers!! The right volume does absolutely nothing that I can detect. The pan again repeats the function of the left speaker volume slider basically. yes the pan works smoothly. I know.
> Bizarre eh? Maybe someone jacked something around because an amp went down on one side or something. -Bob

Might want to check the headphone jack and associated wiring - the speaker
grounds go through the jack, maybe there's some weird short/loop connecting
the two speakers in series.

-Dave