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2HP-D Main Amplifier Operator’s Manual Special order stainless steel front panel shown.
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CONGRATULATIONS. You have just acquired one of the most advanced audio components ever developed. Your SAE 2HP-D was designed to set new standards in virtually every performance category. Not only does the 2HP-D utilize a dual-differential balanced design, to our knowledge, it is the world’s first amplifier to be balanced both electrically and physically.
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of significant magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.
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Amplifier Identification Record This information is for your records and for future identification of the 2HP-D. Please take a moment to fill out all pertinent data now, and as upgrades and/or options are installed. Whenever upgrades, inquiries and/or changes are requested, the serial number will be required.
EXTERNAL TEMPERATURE BE MAINTAINED AS SPECIFIED. DO NOT STACK ANY EQUIPMENT DIRECTLY ABOVE, BELOW OR TO THE IMMEDIATE SIDES OF THE 2HP-D AS TO PROTECT IT FROM OVERHEATING, AS WELL AS THE CONTINUED FUNCTIONALITY OF ANY EQUIPMENT NEAR AND AROUND IT.
INTRODUCTION Getting to know your SAE 2HP-D This SAE 2HP-D amplifier has been put through a rigorous and unique testing procedure that ensures that it will last for many years with minimal service requirements. This procedure includes the following: •...
IMPORTANT NOTICE It is imperative that the SAE 2HP-D be connected to a ground via its three wire AC power cord. It is important that the AC power outlet, which the amplifier is plugged into, is actually grounded. Failure to do so will severely compromise the performance, reliability and safety of use of the SAE 2HP-D.
FRONT PANEL LAYOUT Figure 2 - Front Panel Layout 1. ILLUMINATED LOGO. Illuminates when the amplifier exits the STANDBY Mode. 2. STANDBY SWITCH. After the rear panel MAIN POWER switch(es) are turned on, touch the front panel button to exit the standby mode and enter the operational mode.
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1. LEFT CHANNEL VIRTUAL VU METER 2. RIGHT CHANNEL VIRTUAL VU METER 3. LEFT CHANNEL FREQUENCY SPECTRUM DISPLAY 4. RIGHT CHANNEL FREQUENCY SPECTRUM DISPLAY 5. FREQUENCY INDICATOR Divides the frequency spectrum into 40 1/3 octave bands. 6. IMPEDANCE SETTING Displays 4 or 8 Ω. Set on the rear panel to match the speaker’s nominal impedance. 7.
11. AC POWER INLET. Use the included power cords to connect Channel 1 to an appropriate AC power source. 12. FAN ON/OFF SWITCH. The SAE 2HP-D is designed for convection cooling. Where convection cooling is not sufficient or the amplifier is used for sustained high-power operation, set the fan to ON.
Please refer to figure 5. The 2HP-D has a second binding post output connector. This may to be connected to the second speaker input terminal on your loudspeaker system (if available). If using this second speaker input terminal, please be certain to remove the metal jumper between the woofer and high-frequency sections of your speaker.
Appendix A Troubleshooting Guide If the 2HP-D should function abnormally during operation, please review the items in the following checklist. Please be sure to thoroughly check all other connected components such as speakers and preamplifiers, as well as cables. If the problem persists, please consult your dealer or distributor.
Appendix B Specifications Analog Audio Inputs One Balanced (XLR) jack per channel Input Impedance 47 k Ohms. Balanced for each phase Input Sensitivity 2.82V RMS input for 600W into 8 ohms Gain 27.8 dB Polarity Balanced; Pin-2 = Positive, Pin-3 = Negative for Non-Inverting Output Speaker Outputs WBT Low-Mass Binding posts 4 per channel;...
The unit is to be sent PREPAID in the original carton and packing along with a detailed description of the problem to SAE in the event it needs factory servicing.
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