Diamond ST-MIX User Manual Download Page 2

INTRODUCTION

Thanks for purchasing a Diamond ST-MIX stereo mix accessory pedal. Although de-
signed to be used with the Memory Lane analog delay, the ST-MIX’s versatility lends it-
self to a number of applications not solely limited to the stereo interfacing of the ML.

Remember to protect your hearing and wear appropriate hearing protection when play-
ing loud…

DESIGN BACKGROUND

The ST-MIX began develop-
ment in 2005 a few months af-
ter the release of the Memory 
Lane when a customer wrote in 
asking for a true stereo solution 
- one in which guitar signal 
went to both amps even with 
the Memory Lane in true by-
pass. We saw this as an oppor-
tunity to solve several other 
potential issues with running 
amps in tandem:
• phase: the ability to correct 

180 deg phase differences 
between different amps

• isolation: the ability to isolate 

potential grounding issues 
between amps

Although the first few ‘beta’ ST-MIX pedals were released in 2006, full production began 
in 2007 (the beta pedals had an inverted ‘upside-down’ jack location key changed for the 
final production units).

FEATURES

left, right and PAN IN inputs (the left signal is automatically routed to both left and 
right outputs if no plug is inserted on the right channel input)

•sound field placement of the PAN IN input between the left and right outputs

•increased signal headroom with 15V internally regulated power supply and specially designed 

discrete JFET input stages

•switchable transformer output isolation of the right channel

•in-phase / out-of-phase footswitch control

•adapter passthrough jack and included patch cable allows a single Memory Lane power adapter 

(or 18 power cable from a pedal supply) to power both an ST-MIX and a Memory Lane

genuine Hammond cast aluminum 4.4 x 3.2 x 1.6 inch case

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ST-MIX user manual v1.00

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