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Power| output power at 8 ohms | 540W |
|---|---|
| output power at 4 ohms | 540W |
| amplifier output power at 8 ohms | 50W |
| amplifier output power at 4 ohms | 50W |
Input Section| maximum input level | 0.6V Rms |
|---|---|
| input level with -10dB pad | 1.6V Rms |
| input impedance | 1M Ohm |
| send output impedance | 220 Ohm |
| return input impedance | 50k Ohm |
| tuner output impedance | 10k Ohm |
| direct output impedance | 500 Ohms |
Equalizer| bass adjustment | +10db @ 60Hz |
|---|---|
| lo-mid adjustment | +6db/-10db @ 250Hz |
| hi-mid adjustment | +6db/-10db @ 1kHz |
| treble adjustment | +14db @ 7kHz |
Voicing Filters| string bass button | +11db@20Hz |
|---|---|
| contour | +2db@50Hz / -10db@500Hz / +3db@7kHz |
| presence | +9db@10kHz |
Power Requirements| power requirement for U.S.A./Canada | 120V/60Hz |
|---|---|
| full power consumption | 880W |
| average power consumption | 165W |
Weight and Dimensions| height | 3 1/2” |
|---|---|
| width | 17” |
| depth | 8 ¼” |
| weight | 18lbs |
Personal reflections on product design philosophy and company commitment.
Guidance on using the active equalization circuits for fine-tuning tone.
Explanation of the Contour control for scooping mids and boosting highs/lows.
Details the String Bass button for voicing the amp for 4 or 5-string basses.
Describes the Boost control for adding 'growl' and Master for overall level control.
Explains the balanced direct output for PA/recording and its Pre/Post EQ options.
Details connecting GK-RBH cabinets for Bi-Amp mode using a 4-conductor Speakon cable.
Explains connecting cabinets for normal operation using 2-conductor Speakon or 1/4" cables.
Instructions to verify power requirements and circuit capacity before use.
Guidelines on handling power cords, avoiding extension cords, and not opening the enclosure.
Advice on unpacking, saving materials, and general handling precautions.
Recommendations for placement, ventilation, and avoiding extreme environments.
Instructions for safely disconnecting and moving the amplifier.
Methods for cleaning the amplifier using soft cloths and mild soap.
Notes on amplifier durability, cleaning as the primary maintenance, and using a road case.
Detailed description of all front panel controls and their functions.
Information on the AC power input and speaker connection jacks.
Details on the 540W amplifier outputs for full-range operation.
Explains the use of Speakon outputs for Bi-Amp operation.
Lists the speaker configurations for the 1001RB/115 and 1001RB/210 models.
Instructions for engaging and disengaging the combo's transport handle and wheels.
Highlights key features like high current power supply, Bi-Amp sound, and EQ bands.
Discusses the amplifier's ability to control speaker cones and handle transients.
Explains the benefits of Bi-Amp for distinct woofer and horn sound control.
Details the electronic crossover's function and the Tweeter Hi-Cut switch.
Explains the unique, series-wired EQ sections optimized for bass frequencies.
Describes the Contour and String Bass voicing filters for tone shaping.
Explains Gate Induced Valve Effect technology for pleasing bass tone.
Discusses the dual rail power supply and fan cooling system for reliability.
Details the protection circuitry that monitors for unsafe operating conditions.
Highlights the high gain, high headroom, low noise input stage for reduced hiss.
Information on the 4-conductor Speakon cables needed for Bi-Amp feature.
Concluding remarks and contact information for feedback.
Comprehensive list of output power, input, EQ, filters, cooling, protection, dimensions, and power requirements.
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