HD Series Bass Guitar Combos Owner's Manual
Important Safety Information AVIS RISQUE DE CHOC ÉLECTRONIQUE NE PAS OUVRIR WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK) AS THERE ARE NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. This lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of non-insulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.
Important Safety Information 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9.
Introduction Thank you for purchasing the Hydrive HD75 or HD150 Bass Combo Amplifier from Hartke! We know you don’t like reading owners manuals, but you’ve just purchased one of the finest bass combos around, and we want to tell you about it. So, before you plug in and start playing, we’d like to suggest you take just a few moments to scan these pages. The HD75 is a compact combo featuring a 75-watt amp with a 12” Hydrive Series speaker and a 1” tweeter.
Features The Hartke HD Series offers all the state-of-the-art speaker technology as well as robust amplification in an extremely compact size and affordable price.
HD75 Top Panel Controls 1 2 3 4 5 6 7 8 9 10 1. INPUT - Connect your bass guitar here using a standard ¼” unbalanced instrument cable. 2. VOLUME Control - This is the overall volume control. For best signal-to-noise ratio, keep the output of your bass at or near maximum and adjust the VOLUME to the desired level. 3. BASS Control - This control is used to adjust the low frequency response.
HD150 Top Panel Controls 1 2 3 4 5 6 7 8 9 10 11 1. INPUT - Connect your bass guitar here using a standard ¼” unbalanced instrument cable. 2. VOLUME Control - This is the overall volume control. For best signal-to-noise ratio, keep the output of your bass at or near maximum and adjust the VOLUME to the desired level. 3. BASS Control - This control is used to adjust the low frequency response.
Rear Panel Controls 1 2 3 4 1. Power Switch - Use this to power the amplifier on or off. When powered on, the switch illuminates red. 2. AC Inlet - Attach the grounded AC power cord here to connect your amplifier to mains power. This cord comes supplied with the appropriate plug for your geographic area. CAUTION: Do not use an adapter to defeat the third grounding pin on this plug or severe electric shock may result! 3.
Quick Start Setting up your Hartke HD Series Combo Bass Amplifier is a simple procedure which takes only a few minutes: 1. Remove all packing materials and decide where the amplifier is to be physically placed. 2. Before you plug-in the power cable, be sure the Power switch is in the off position. Connect the supplied power cable to the AC inlet located on the rear panel. Then, plug-in the 3-pin AC plug into any grounded AC socket. 3.
Using Equalization The Hartke Systems HD Series Bass Amplifier gives you control over shaping the sound of your bass, using a process called equalization. To understand how this works, it’s important to know that every naturally occurring sound consists of a broad range of pitches, or frequencies, combined together in a unique way. This blend is what gives every sound its distinctive tonal color.
Specifications Rated Output Power HD75 HD150 75 w (1 kHz, 16 ohm, 1% THD) 150 w (1 kHz, 4 ohm, 1% THD) Rated Input Level (@ 1 kHz) HD75 HD150 44.6mv rms 38.8mv rms Total Harmonic Distortion (@ 1 dB below rated output, 1 kHz typical) HD75 0.32% HD150 0.6% Signal To Noise Ratio (1 Wrms @ 1 kHz) HD75 1W/62dB HD150 1W/62dB Signal Gain Speaker Output HD75 HD150 35V 24.5V Signal Gain to Direct Out and Send Jack HD75 Send Out: 545mV HD150 Direct Out: 7.
45 Gilpin Avenue Hauppauge, New York 11788-8816 Phone: 1-800-3-SAMSON (1-800-372-6766) Fax: 631-784-2201 www.hartke.
