Rane AC 22 (1993 version) Bedienungsanleitung PDF herunterladen

Manual-1

AC 22

ACTIVE CROSSOVER

OPERATORS MANUAL

AC 22 CONNECTION

Balanced/Unbalanced Inputs

The ¼" Input jacks on the AC 22 are TRS (tip-ring-

sleeve). We recommend connecting the AC 22 with a bal-

anced cable from the balanced output of a mixer or equalizer.

If a balanced output is not available, and the cable run is

less than ten feet (three meters), inserting an unbalanced ¼"

TS (tip-sleeve) plug works in most situations.

Unbalanced Outputs

The ¼" Output jacks on the AC 22 are unbalanced TS

(tip-sleeve). We recommend that cables to the amplifiers be

no longer than ten feet (three meters).

See the “Sound System Interconnection” RaneNote

included with this manual for more information on cabling

and grounding requirements.

QUICK START

This is an automatic crossover! By automatic, we mean that the AC 22 is smart enough to know whether you want to

run it as a two channel crossover, or as a single channel unit. It knows by the way the plugs are inserted how your system is

to be configured. However, just because it is automatic, doesn’t mean that it will not automatically confuse you when you

try to connect it in a bench test situation. NOTE: Labels above the controls refer to the unit being operated in the 2-

Way STEREO mode. Labels below the controls refer to the unit being operated in the 3-Way MONO mode.

Plugging a signal into the CHANNEL 1 INPUT and nothing into the CHANNEL 2 INPUT tells the unit that you are

running a single channel system in Mono 3-Way mode, and therefore sets the unit up to be a single channel device. This

can lead one to think that there are some dead channels in the unit when looking for output in places where there shouldn’t

be any.

When operating the AC 22 as a Stereo 2-Way, follow the diagram on page Manual-3, reading the labels above the jacks

and controls. To drive both channels with a mono signal, connect only to the CHANNEL 2 INPUT. This approach is the

same as if you used a wye cable to both Inputs. This is very useful in situations where only one mix exists, but two indepen-

dent channels of crossover are desired, normally used for separate amplification on each side of a stage. This is a good way

to test both channels of the crossover when only one signal source exists.

The AC 22B is available as a fully balanced output version equipped with XLR connectors (for inputs and outputs) instead of

the standard ¼" TRS jacks. If you are running balanced amplifiers from the AC 22 or are running crossover output cable lengths

greater than 10 feet, we highly recommmend you purchase an AC 22B.

Never connect ANYTHING except an RS 1 or other approved Rane AC power supply to the thing that looks like a red

telephone jack. This is an AC supply and requires some special attention if you do not have an operational power supply

EXACTLY like the one that was supplied with your unit. Consult the Rane factory for replacement or substitution.

WEAR PARTS: This product contains no wear parts.

1 2 3 4 5 6 ... 12 13

Inhaltsverzeichnis

Seite 1 - OPERATORS MANUAL

Manual-1AC 22ACTIVE CROSSOVEROPERATORS MANUALAC 22 CONNECTIONBalanced/Unbalanced InputsThe ¼" Input jacks on the AC 22 are TRS (tip-ring-sleeve)

Seite 2 - Manual-2

Manual-10In order to phase-align two drivers you must observe onlythe crossover frequency, which is common to both drivers.Pink noise can be used if a

Seite 3 - Manual-3

Manual-11Setting the Output Level ControlsChoosing the crossover frequencies was the easy part.Now it gets real fun. The idea is to set the output LEV

Seite 4 - Manual-4

Manual-128. Repeat this process for each frequency section of thecrossover, ending with the highest frequency. NOTE: It ispossible that you may turn o

Seite 5 - Manual-5

Manual-13Time Delay TransplantModificationWe have added modification jumpers to the AC 22. Thesejumpers permit the transplanting of the Delay circuits

Seite 6 - OPERATING INSTRUCTIONS

Manual-2FRONT PANEL: STEREO 2-WAY CONFIGURATIONObserve the labels ABOVE the controls for Stereo operation. POWER switch: Self-evident. POWER indicat

Seite 7 - Time Delay Adjustment Using

Manual-3REAR PANEL: STEREO 2-WAY INSTALLATION  CHANNEL 1 INPUT: This ¼" Input accepts either balanced TRS (tip-ring-sleeve) or unbalanced TS (ti

Seite 8 - SPL Meter and Tone Generator

Manual-4FRONT PANEL: MONO 3-WAY CONFIGURATIONObserve the labels BELOW the controls for Mono operation. POWER switch: Self-evident. POWER indicator:

Seite 9 - Manual-9

Manual-5REAR PANEL: MONO 3-WAY INSTALLATIONCAUTION: MONO SUB SWITCH MUST BE IN 2-CHANNEL OR M3W MODE! Mono (CHANNEL 1) INPUT: This ¼" Input acce

Seite 10 - Delay vs. Frequency Table

Manual-6OPERATING INSTRUCTIONSSelecting Crossover FrequenciesMost speaker manufacturers supply low and/or highfrequency cut-off points for each driver

Seite 11 - Analyzer

Manual-7Time Delay Adjustment UsingRealtime Analyzer & Pink NoiseThis method outlines the use of a realtime analyzer, pinknoise generator and flat

Seite 12 - Setting Levels Using an SPL

Manual-8iii. If you have turned the MID DELAY control all the wayup and still do not have a +3 dB (red) reading, you willhave to physically move the h

Seite 13 - Time Delay Transplant

Manual-94. Now press in the MID MUTE switch on the crossover sothat the tone is removed from the mid driver. Withoutre-adjusting either the meter or t

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Rane AC 22 (1993 version) Bedienungsanleitung

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