Warmer and fuller
Turn counterclockwise to reduce treble while increasing bass.
BLOSSOM
$199
BLOSSOM DEMONSTRATION
Hear the difference.
JACKSON AUDIO · OPTICAL COMPRESSOR
Compression you feel. Not compression you hear.
Blossom adds smoothness, sustain, and balance while preserving the natural tone and response of your guitar.
01 Optical compression Smooth and touch responsive +
Polished dynamics without changing your voice.
Blossom’s optical limiting circuit is inspired by classic studio compressors. It gently rounds rough edges, balances your level, and adds sustain while maintaining a flat frequency response.
02 Clean blend Compression without losing attack +
Keep the front of every note intact.
Mix your uncompressed signal back into the compressed signal. Use a stronger compression setting for sustain, then add clean signal to restore natural pick attack and playing dynamics.
PARALLEL BLEND
Natural attack.
Smooth sustain.
INPUT
CLEAN SIGNAL
COMPRESSED SIGNAL
BLEND
Turn MIX toward compression for greater sustain. Turn it toward clean for more natural attack and openness.
TILT EQ
One control. Two directions.
Flat response
At 12 o’clock, the EQ does not boost or cut your tone.
Brighter and tighter
Turn clockwise to increase treble while reducing low frequencies.
4
Simple controls
9–18V
Operating range
20mA
Maximum current
CONTROL GUIDE
Everything you need.
Volume
Sets the overall output level. Adjust it as COMP and MIX settings change.
EQ
Tilts the balance between bass and treble while remaining flat at noon.
Comp
Turn clockwise to increase the amount of optical compression.
Mix
Blends the clean signal with the compressed signal.
Suggested starting point +
VOLUME12:00
EQ12:00
COMP3:00
MIX12:00
This setting combines noticeable sustain with a natural attack. Adjust MIX toward clean for greater subtlety.
Power and headroom +
Blossom operates safely from 9V to 18V DC, center negative. Running at 18V provides additional headroom and dynamic response. Do not exceed 18V.
Technical specifications +
POWER9–18V DC
POLARITYCenter negative
CURRENT20mA maximum
INPUT1MΩ
OUTPUT100kΩ
SIZE1.8 × 4 in
OPTICAL COMPRESSION · CLEAN BLEND · TILT EQ
Balance the signal.
Preserve the performance.
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