Line out
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Hey guys, I'm looking forward to buying this new amp, which seems amazing, but I'm wondering why you guys didn't include a line out, a 3/4' line out... I mean, I know there's the headphones output, but it would make a really nice addition if you include a line out to connect to a PA or a mixer... This is a really good amp, and I think there's a lot of potential asides from playing alone
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Hey, omorales01,
You can use the Spark headphone out to an amp or mixing board. What you need is a Stereo to Mono Summing Cable with Resistors ( 3.5mm TRS to 1/4" TS ). Do not use a straight stereo to mono cable, you could mess up your Spark because of the load on the amp. I use a Stereo to Mono Summing Cable from Castline. I am running the headphone out from the Spark to a Quilter MicroBlock amp (flat EQ) with a 12" open back cab and the rig sounds great.
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@gregory-snow Thanks for the tip...I just purchased the Summing Cable from Coastline.
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@gregory-snow thanks Gregg, so, can i use a 1/4 to dual mono cable??
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Hey omorales01, I'm not sure what you are asking about the 1/4 to dual mono cable. The Spark headphone out is 3.5mm TRS (TRS=Tip, Ring, Sleeve) and if you want to combine the stereo output and send it to a mono input, like TR, you need a summing cable or box using resistors to protect the power side of your Spark amp. If you want to go from 3.5mm TRS to a two channel input, like two RCA jacks, then you do not need the summing cable - you can use a straight cable like this: Hosa CMR-215 3.5 mm TRS to Dual RCA Stereo Breakout Cable
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@gregory-snow
Could I safely use the mono cable below to go from the Spark headphone out to an amp or cab? I only want to hear my mono guitar output, not music or stereo.
https://www.amazon.com/Hosa-CMP-303-Mono-Interconnect-Cable/dp/B000068O3G/ref=psdc_3236443011_t3_B01NAMV8BD
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@jonj33,
Yes, that cable will work and not cause damage, but you will only get one channel from the Spark and not the sum of left and right.... probably not a big deal sound wise. I have not tried using one channel, so you should post here if it sounds good. It sure costs a lot less than the summing cables.
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@gregory-snow easy enough to make a summing cable to what ever length you like
can have mono and still do stereo if you need to. a little soldering 2 resistors and youve got best of both .
