Samson A25 manual

Hartke Hartke Hartke INPUT VOLUME POWER PHONES LIMITER BRIGHT TREBLE MID BASS CD -12 -9 -6 -3 0 +3 +6 +9 +12 -15 +15 100Hz -12 -9 -6 -3 0 +3 +6 +9 +12 -15 +15 830Hz -12 -9 -6 -3 0 +3 +6 +9 +12 -15 +15 5K 8K 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 A25 INPUT VOLUME POWER PHONES LIMITER BRIGHT TREBLE MID BASS CD -12 -9 -6 [...]

Important Safety Instructions 1. Please read all instructions before operating the unit. 2. Keep these instructions for future reference. 3. Please heed all safety warnings. 4. Follow manufacturers instructions. 5. Do not use this unit near water or moisture. 6. Clean only with a damp cloth. 7. Do not block any of the ventilation openings. Install [...]

T able of C onten ts Introduction 2 A SERIES Combo Bass Amplifier Features 3 Guided Tour Front Panel 4-5 Rear Panel 6 Setting Up and Using Your Hartke A Series Combo Bass Amplifier 7-8 Using the CD Input 9 Using Equalization 10 -11 Specifications 12 Copyright 2003, Samson Technologies Corp. Printed September, 2003 Samson Technologies Corp. 575 Unde[...]

Introduction We know you don’t like reading owners manuals, but you’ve just purchased one of the finest bass amplifiers around, and we want to tell you about it! So, before you plug in and start popping and slapping, we’d like to suggest you take just a few moments out to scan these pages. We’ll make it as painless as possible, we promise?[...]

3 Har tke A25 and A35 Combo Bass Amplifier F eatures The Hartke A Series offers all the newest concepts in state-of-the-art aluminum drive bass amplification in an extremely compact size and affordable price. Here are some of its main features: • The A25 delivers 25 Watts of power to its specially designed 8-inch aluminum bass driver, while the A[...]

4 Guided T our - F ront P anel 1. Input - Connect your bass guitar to this standard 1/4" unbalanced jack. The A Series Input was is designed to handle low-level signals if your bass has passive electronics (that is, if it has no battery), or the signals from hotter bass pickups if your bass has active elec- tronics (that is, if it has a batter[...]

5 Guided T our - F ront P anel 6. Bright - This control provides approximately 20 db of boost at 8 kHz, with a peak (bell) curve. When the knob is at the 12 o’clock (“0”) position, there is no boost or attenuation (that is, flat response). As it is turned clockwise from the “0” position, the frequency area is boosted; as it is turned coun[...]

6 A. AC Power Inlet - Use the supplied grounded AC power cord to connect your A Series 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! B. Speaker Output – The jack is used to con[...]

7 Setting Up and Using Y our Har tke A SERIES Combo Bass Amplifier Setting up your Hartke Systems A Series Combo Bass Amplifier is a simple procedure which takes only a few minutes: 1. Remove all packing materials (save them in case of need for future service) and decide where the amplifier is to be physically placed. You may decide to use the “k[...]

8 Setting Up and Using Y our Har tke A SERIES Combo Bass Amplifier when no compression is being applied, will go out whenev- er small amounts of compression are being applied and will flash or light steadily red when limiting (severe com- pression) is being applied. 9. Test the headphone output by turning the Volume con- trol to its minimum (fully [...]

9 Your A series amplifier features a CD input which you can use with a portable CD player, cassette, mini disk or MP3 player to jam with pre-recorded tracks or learn a riff from a favorite tune. In fact, you can plug any line level signal into the CD input including the signal from a keyboard or drum machine. Connect the CD player or other Line lev[...]

10 Using Equalization The Hartke Systems A Series Bass Amplifier gives you enormous 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. T[...]

11 The specific EQ you will apply to your bass signal is very much dependent upon your par- ticular instrument and personal taste and playing style. However, here are a few general suggestions: • For that super-deep reggae or Motown sound, boost the Bass EQ slightly while attenuating the Treble EQ. •To remove boxiness and make your instrument s[...]

12 1. Rated Output Power (@ 1 kHz, 4 ohm, 1% THD) A25 25 w A35 35 w 2. Rated Input Level (@ 1 kHz) Input 1 -20 dBu Input 2 -10 dBu 3. Total Harmonic Distortion (@ 1 dB below rated output, 1 kHz typical) A25 0.2% A35 0.3% 4. Signal To Noise Ratio (re: 1 Wrms @ 1 kHz) A25 67 dB A35 60 dB 5. Dynamic Range (re: Rated output @ 1 kHz) A25 80 dB A35 75 dB[...]

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Hartke is distributed world-wide by SamsonTechnologies Samson Technologies Corp. 575 Underhill Blvd. P.O. Box 9031 Syosset, NY 11791-9031 Phone: 1-800-3-SAMSON (1-800-372-6766) Fax: 516-364-3888 www.hartke.com www.samsontech.com[...]