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Audio Performance| RMS power at 4 ohms | 204W x 1 channel |
|---|---|
| Signal-to-noise ratio | 77dBA |
| RMS power at 2 ohms | 294W x 1 channel |
Power and Sensitivity| Dynamic power | 320W at 2 ohms |
|---|---|
| Maximum input signal | 4.7V |
| Maximum sensitivity | 220mV |
Physical Dimensions| Effective damping factor | 6.39 at 4 ohms |
|---|---|
| Frequency response | 10Hz – 302Hz |
| Dimensions | 11-5/8" x 12-5/16" x 2-3/8" |
Audio Performance| RMS power at 4 ohms | 97W x 2 channels |
|---|---|
| Signal-to-noise ratio | 82dBA |
| RMS power at 2 ohms | 145W x 2 channels |
Power and Sensitivity| Dynamic power | 190W at 2 ohms |
|---|---|
| Maximum input signal | 5.5V |
| Maximum sensitivity | 230mV |
Physical Dimensions| Effective damping factor | 6.39 at 4 ohms |
|---|---|
| Frequency response | 10Hz – 90kHz |
| Dimensions | 11-5/8" x 12-5/16" x 2-3/8" |
Audio Performance| RMS power at 4 ohms | 424W x 1 channel |
|---|---|
| Signal-to-noise ratio | 72dBA |
| RMS power at 2 ohms | 580W x 1 channel |
Power and Sensitivity| Dynamic power | 778W at 2 ohms |
|---|---|
| Maximum input signal | 5.3V |
| Maximum sensitivity | 210mV |
Physical Dimensions| Effective damping factor | 6.326 at 4 ohms |
|---|---|
| Frequency response | 10Hz – 302Hz |
| Dimensions | 15-1/8" x 12-5/16" x 2-3/8" |
Audio Performance| RMS power at 4 ohms | 104W x 4 channels |
|---|---|
| Signal-to-noise ratio | 80dBA |
| RMS power at 2 ohms | 142W x 4 channels |
Power and Sensitivity| Dynamic power | 163W at 2 ohms |
|---|---|
| Maximum input signal | 5.8V |
| Maximum sensitivity | 230mV |
Physical Dimensions| Effective damping factor | 6.384 at 4 ohms |
|---|---|
| Frequency response | 10Hz – 83kHz |
| Dimensions | 15-1/8" x 12-5/16" x 2-3/8" |
Power and Sensitivity| Dynamic power | 1339W at 2 ohms |
|---|---|
| Maximum input signal | 6.1V |
| Maximum sensitivity | 140mV |
Audio Performance| Signal-to-noise ratio | 70dBA |
|---|---|
| RMS power at 2 ohms | 1114W x 1 channel |
| RMS power at 4 ohms | 60W x 4 channels and 107W x 2 channels |
Power and Sensitivity| Dynamic power | 117W (channels 1, 2, 3, 4) |
|---|---|
| Maximum input signal | 6V |
| Maximum sensitivity | 250mV |
Physical Dimensions| Effective damping factor | 6.348 at 4 ohms |
|---|---|
| Frequency response | 10Hz – 302Hz |
| Dimensions | 18-11/16" x 12-5/16" x 2-3/8" |
Lists the specific amplifier models in the Grand Touring Series.
Expresses thanks and advises on retaining receipts for warranty service.
Provides safety precautions and advice before starting installation.
Guides on selecting a suitable mounting spot and preparing for installation.
Details power, ground, remote, and speaker connections.
Explains how to connect input signals, including high-level inputs.
Shows wiring diagrams for GTO301.1, GTO601.1, GTO1201.1 with woofers.
Illustrates stereo and bridged-mono setups for the GTO75.2 amplifier.
Diagram for using the GTO75.4 in 4-channel stereo mode for front/rear speakers.
Diagrams for 3-channel and bridged 2-channel operation of the GTO75.4.
Illustrates various configurations for the GTO755.6 amplifier.
Guides on adjusting crossover frequency and input level for optimal performance.
Covers remote level control, bass boost, AUX output, and neon tube installation.
Lists symptoms, likely causes, and solutions for audio problems.
Addresses distorted sound and lack of 'punch' with troubleshooting steps.
Detailed specifications for each amplifier model, including power, dimensions, and response.
Declaration of Conformity, CE marking, and JBL/Harman company details.
