Universal Audio 1176SA Stereo Adapter 61-Key MIDI Controllers envelope 2 is the modulator

envelope 2 is the modulator for both the amplifier and filter frequency

Engineers worked closely with Steve Vai to produce the perfect compression on each and every string and precise audio response at any volume

This durable playing surface delivers a full bass spectrum

responsive combo amp with authentic tube tone

Universal Audio 1176SA Stereo Adapter 61-Key MIDI Controllers envelope 2 is the modulatorThe 1176SA from Universal Audio, is a small interface that is used to calibrate two mono 1176s for stereo operation. The 1176SA was first offered for the original 1176, but has become increasingly difficult to find for use with either vintage or new 1176s. Universal Audio has carefully recreated the original adapter. The 1176SA rests behind the 1176s, is housed in a full metal enclosure for proper shielding, and comes with gold plated connectors. A