Instruction manual

Aphex Systems Ltd. Model 204Page 12
204
instruction Manual
WIRING DIAGRAMS
Throughout this manual we use TS and TRS as abbreviations. Here is a complete definition: TS refers to the Tip-Sleeve or “mono”
2-conductor type and TRS refers to Tip-Ring-Sleeve or “stereo” 3 conductor type 1/4” phone connectors. This applies to jacks (female
connectors) and plugs (male connectors).
Note: We recommend using only conventional 1/4” phone plugs with the Model 204. Professional patch bay cords using
brass PJ055 telephone type plugs are designed to a different standard and will not make full contact with the Model 204
phone jacks.
When it comes to wiring, one picture is worth a thousand words. The following illustrations show all the different ways you will
probably ever need to hook up your equipment. You typically will have little trouble using professional manufactured cables, but
you may wish to make your own. In case of hum, buzz, or noise troubles, check your cables against these diagrams for correctness.
You may benefit from isolating the shield wire at the sending end (never the receiving end) if you experience hum using balanced
cables.
Mono Plug
Male XLR
Installation & Interfacing
ating distortion. In the reverse situation, connecting a -10dBV output to a +4dBu input will tend to increase
the noise floor, thus degrading the systems signal-to-noise ratio.
In general, most entry level “home studio” equipment operates at -10dBV as it is assumed that the user will
likely intermix home hi-fi equipment, such as cassette decks and CD players. Most professional recording gear
and live sound equipment operates at +4dBu.
R
UNBALANCED Cables
Stereo Plug Stereo Plug
BALANCED Cables
Optional Ground Lift
(Sending End Only)
Mono Plug
Female XLR
Mono Plug Mono Plug
Female XLR
Mono Plug
No Connect
Female XLR
Stereo Plug
No Connect
Hum Kill Option
Female XLR Female XLRMale XLR Male XLR
No Connect
Hum Kill Option