Crown Audio STUDIO AMPLIFIER owner manual Meters, switches, etc. to the Bridge-Mono output

Page 13

Studio Reference I & II Professional Studio Amplifiers

greatly degraded. Also, turn down the channel 2 level

is very different from the other modes and requires

control (fully counterclockwise).

special attention.

Note: The channel 2 input and level control are not de-

To select Parallel-Mono mode, turn off the amplifier and

feated in Bridge-Mono mode. Any signal feeding chan-

slide the stereo/mono switch to the left (as you face the

nel 2 will work against the channel 1 signal, and usually

back panel). Connect the input signal to channel 1 only.

results in distortion and inefficient operation.

The channel 2 input and level control are bypassed in

Connect the load across the two red (+) binding posts

this mode, so they should not be used.

 

(see Figure 3.6). The positive (+) loudspeaker lead

Note: It is normal for the channel 2 IOC indicator to stay

connects to the red channel 1 binding post, and the

on in Parallel-Mono mode.

negative (–) or ground lead from the loudspeaker con-

Connect the load to the channel 1 output as shown in

nects to the red channel 2 binding post. Do not con-

nect the black binding posts (–). Also, the load must be

Figure 3.7. The positive (+) lead from the loudspeaker

balanced (neither side shorted to ground).

connects to the red channel 1 binding post, and the

CAUTION: Only connect balanced equipment

negative (–) or ground lead from the loudspeaker con-

nects to the black channel 1 binding post. Finally, in-

(meters, switches, etc.) to the Bridge-Mono output.

stall a jumper wire of at least 14 gauge between the

Both sides of the line must be isolated from the in-

channel 1 and channel 2 red binding posts.

put grounds or oscillations may occur.

CAUTION: When Parallel-Mono wiring is installed,

3.3.3 Parallel-Mono Operation

do not attempt to operate in Stereo or Bridge-Mono

Parallel-Mono mode is used to drive loads with a total

mode until the wiring is removed (especially the

impedance of less than 4 ohms (see Bridge-Mono if the

jumper wire). Failure to do so will result in high dis-

load is 4 ohms or more). Wiring for Parallel-Mono mode

tortion and excessive heating.

MIXER

STUDIO REFERENCE AMPLIFIER

PARALLEL-MONO MODE

CHANNEL 1

 

 

 

ADD A 14 GAUGE

 

 

OR LARGER

 

 

JUMPER BETWEEN

 

THE CHANNEL 2

THE CHANNEL 1

 

INPUTS ARE

AND 2 RED (+)

 

NOT USED

BINDING POSTS

 

 

CH-2

CH-1

FX

PUSH

PUSH

ReferenceS T U D I O

STEREO

PARALLEL BRIDGE

MONOMONO

CAUTION: TURN OFF AMPLIFIER

BEFORE CHANGING THIS SWITCH!

Fig. 3.7 Parallel-Mono Wiring

–

+

LOUDSPEAKER

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Contents Box 1000, Elkhart, Indiana Telephone Studio ReferenceThree Year Full Warranty Magnetic Field Crown Audio Division Technical Support GroupContents Studio Reference II Maximum Power Matrix Studio Reference II Minimum Power MatrixStudio Reference I Power Draw, Current Draw Balanced and Unbalanced Phone PlugsStudio Reference I Amplifier Unpacking InstructionsWelcome FeaturesLevel Controls FacilitiesDo not use the channel 2 input in either mono mode Reset SwitchMounting InstallationCooling Stereo Mode WiringBridge-Mono Operation Stereo Two-Channel OperationMode until the wiring is removed especially Meters, switches, etc. to the Bridge-Mono outputBoth sides of the line must be isolated from Tortion and excessive heatingCable Input ConnectionShielded Twin-leadSolving Input Problems Input Wiring TipsOutput Connection Use Good ConnectorsHigh frequency oscillations can cause your amplifier Affect the output power available from the amplifier AC Mains PowerAvailable from most electrical supply stores Additional Load ProtectionIndicators PrecautionsOperation Protection Systems Indicator Status Amplifier ConditionOdep Standby ModeActivate its DC / low-frequency protection circuitry Amplifier’s transformer thermal protection cirCircuit Breaker ControlsSwitch to the left to isolate or lift the grounds Filter CleaningOverview Technical InformationCircuit Theory Stereo OperationCircuit Block Diagram Bridge-Mono Operation Power SpecificationsSignal-to-Noise A-weighted PerformanceInput/Output Output SignalProtection ConstructionMinimum Guaranteed Power Specifications Crown specifications are guaranteed for three yearsMains Studio Reference II Minimum Guaranteed Power WattsStudio Reference I Maximum Power Watts Maximum Power Specifications100 Studio Reference II Maximum Power WattsTypical Frequency Response Typical Phase Response 10 Typical Crosstalk Studio Reference AC Power Draw and Thermal Dissipation50% 645 970 245 975 P.I.P. Modules AccessoriesHere are some of the available P.I.P. modules FXT Worldwide Service ServiceNorth American Service Crown Audio DivisionCrown Factory Service Information

STUDIO AMPLIFIER specifications

Crown Audio, a leader in professional audio solutions, has long been renowned for producing high-quality amplifiers, and their Studio Amplifier series exemplifies this reputation. The Crown Studio Amplifier is meticulously engineered for audiophiles and professionals seeking excellence in sound reproduction, characterized by its superior performance, reliability, and advanced features.

At the heart of the Crown Studio Amplifier lies its robust power output, designed to deliver pristine audio quality at high volumes without distortion. With various models available, users can choose from a range of power ratings, ensuring they have the right amount of amplification for their specific needs. This versatility makes the amplifier suitable for various applications, including recording studios, live sound environments, and high-fidelity home listening.

One of the standout features of the Crown Studio Amplifier is its advanced signal processing technology. The unit includes built-in DSP (Digital Signal Processing), which allows users to tailor the audio output with precision. This feature enables various EQ settings and dynamic range adjustments that enhance sound clarity and compensate for room acoustics, making it an essential tool for audio engineers and sound designers.

Further enhancing its capabilities, the Crown Studio Amplifier is designed with a sophisticated thermal management system that ensures optimal performance even during prolonged usage. Users can rely on its ability to maintain consistent output without overheating, which is crucial during demanding sessions, whether in the studio or at a live event.

Moreover, the Crown Studio Amplifier boasts a user-friendly interface, featuring intuitive controls that simplify operation. The LCD display provides vital information at a glance, allowing users to monitor levels, settings, and system status easily. This focus on usability enhances the overall experience, allowing professionals to concentrate on their craft rather than getting bogged down in technical complexities.

In addition to outstanding performance, the Crown Studio Amplifier is built for durability and longevity. The rugged chassis and high-quality components are designed to withstand the rigors of the road, making it a reliable choice for touring musicians and sound technicians alike.

With its impressive combination of power, advanced technology, and user-friendly features, the Crown Studio Amplifier continues to set a high standard in the audio industry, making it an ideal choice for anyone serious about sound quality. Whether for studio work, live performances, or home audio setups, the Crown Studio Amplifier delivers exceptional fidelity and reliability, upholding Crown's legacy of excellence in professional audio.
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