Stewarts Production Adventures Yr1

Learning how to be good at production

SND 1: Where everything is and types of cables

There’s stage left and stage right.

Image

Also auditorium left and auditorium right.

audotorium left right

The area above stage left (At least in Northbrook) is the hemp area (Pictured left), and the area above stage right (At least in Northbrook) is the counterweight area (Pictured right). It’s called the fly floor.

hemp floor      counterweight

The area above the auditorium is the gallery.

Theatre Gallery above auditorium

In Northbrook theatre there are:

32 mic lines

4 tie lines

16 speaker lines (For loudspeakers)

Intercom lines

Stage Relays

You can find them without a map starting from stage left ground floor going from left to right starting from the middle and going outwards. If there are no more on that level on the stage side, you move onto the auditorium moving from right to left. Then you move onto the stage hemp and counterweight floor, and finally the gallery. They all start from the same place aside from the intercom, which you won’t find on the ground floor at the gap separating the stage and auditorium, and the stage relays that I can’t seem to find on my map.

Cables

These are Jack cables. These are for headphones and patch bays. There are two types. The one on the top is stereo/balanced because it has two lines. The one below is mono/unbalanced because it only has one line. They are light and thin.

Jack Cables

These are XLR cables. They are bigger and can lock onto connectors, so you can’t accidentally pull them out if you trip over it. They are used in microphones and mixing desks. They are stereo/balanced and can send phantom power to microphones. (Phantom power being a way of sending DC electric power to microphones.)

Xlr-connectors

XLR cables have male and female ends. The male end transmits power to the female end. These cables have three pins.

  1. Chassis Ground
  2. Normal Polarity (Hot)
  3. Inverted Polarity (Cold)

We’ll probably learn what these mean in class, because online explanations seem complicated.

Male and Female XLR cables

Next, here is a RCA cables/Phono Connectors. These are the cables you use with consumer video and audio equipment like a Tv, These can be found in professional areas but they are mono/unbalanced. Can be found on hi-fi amplifiers, record decks and phonograph pre-amps.

RCA Cables

Yellow: Composite Video

Red/Yellow: Left/Right audio channels

Here are some Speakon Cables for speakers. It’s a brand name but we use it to distinguish it from other speaker cables. The advantage of this is that you can lock it to the connector so you can’t accidentally pull it out. Instead you have to twist, push the lever in and then you can pull. They come in 2, 4 and 8-poles, the 4 pole is used for bi-amping speaker systems.

Speakon Cables

Mic Checks

We learnt how to do a basic mic check. We used the mixing desk

  1. We pushed sterio to see how much the microphone was picking up
  2. We adjusted the sensitivity so that the average sound the mic was picking up was set to 0 (neutral)
  3. We unmuted it and turned the sound level up.
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This entry was posted on October 14, 2013 by in Sound, Stage and tagged , , , , , .
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