restarting the Spark. If silence persists, resetting your amp to factory settings is necessary. For guidance,
consult Positive Grid's website.
(Spark 40 Only) A Slight Detune or Chorus-like Sound
Some Spark 40 users may notice a slight detune or chorus-like sound when playing loops via ULooper.
This is due to a recognized bug in the Spark 40, causing all USB input sounds to undergo this
unintended modification, it will act the same when using computer and phone. However, this issue does
not occur when using Spark MINI and Spark Go models.
(Spark Only) Noticed Latency between First Loop and Overdub
When using Spark 40, MINI and GO, latency between the USB input and its output through the speaker
may occur. In some instances, this latency could lead to minor timing inconsistencies between the first
loop and subsequent overdubs.
The magnitude of this latency depends on the load from Spark's effect chain, reducing or turning off
effects and amp modeling can eliminate it. When live performance, although the latency usually remains
within acceptable bounds, should it become overly pronounced, using the Line Out for monitoring
during overdubbing is recommended, as it bypasses this latency problem.
Although this latency originates from Spark, we can optimize it on the ULooper side. We may release a
firmware update in the future to address this.
However, Spark Live, with its enhanced processing capabilities, does not encounter this issue,
showcasing superior performance in real-time applications.
(THR-II Only) Loop Volume Too Low
If all the volume knobs are set correctly but the loop volume is still too low, please connect the THR
Remote app to your amp, navigate to the device settings, and ensure the USB OUT parameter is set to
100.
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