BA300 Bass Guitar Combo Amplifier Owner’s Manual
BA300 Bass Guitar Combo Amplifier TABLE OF CONTENTS Introduction...........................................................................3 The Front Panel.....................................................................4 The Rear Panel......................................................................5 System Block Diagram...........................................................6 Service Information................................................................
BA300 Bass Guitar Combo Amplifier Introduction Congratulations! You are now the proud owner of an Ampeg BA300 medium-powered bass guitar combo amplifier. This no-compromise bass amplifier packs 300 watts of power with a tube preamplifier, a Class-D power amplifier, and a switching power supply. The BA300 comes in two versions: the BA300-115 has a single 15" speaker and the BA300210 has two 10" speakers.
BA300 Bass Guitar Combo Amplifier The Front Panel 1 1. 2. 3. 4. 2 3 4 5 6 7 8 9 10 0 dB INPUT: This input accepts a standard 1/4" instrument plug from your bass. Connect your guitar to the amplifier using a shielded instrument cable. This input is suited for use with instruments that have passive electronics. –12 dB INPUT: This input accepts a standard 1/4" instrument plug from high-output basses.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 BA300 Bass Guitar Combo Amplifier The Rear Panel 18 19 17. IEC POWER INPUT CONNECTOR: This is where you connect the supplied AC power cord. Connect it to an AC mains power supply that has the correct voltage and current suitable for your BA300. 18. EFFECTS LOOP SEND JACK: Use this ¼" TS unbalanced output to send a line-level output to an external effects processor (for example).
BA300 Bass Guitar Combo Amplifier System Block Diagram PRE / POST TUNER OUT 0 dB 12AU7A V1A INPUTS 12dB PAD -12 dB 12AU7A V1B COMP LED LEVEL LINE OUTPUTS OPTICAL COMPRESSOR MUTE PEAK/MUTE LED ULTRA HI STYLE FILTERS GAIN ON/OFF GROUND LIFT THRESHOLD ULTRA LO SEND MODERN AMPEG ACTIVE TONE STACK EFFECTS LOOP RETURN TREBLE MIDRANGE BASS HORN L PAD TWEETER 300 WATTS CLASS D X-OVER MASTER 15” CERAMIC-MAGNET WOOFER BA300-115 BA300-210 2 X 10” CERAMIC-MAGNET WOOFERS (THE BA300-115 AND BA30
BA300 Bass Guitar Combo Amplifier Important Information about Tubes and Tube Products: The Nature Of Tubes — Why (And When) To Replace Them: Tubes are made up of a number of fragile mechanical components that are vacuum-sealed in a glass envelope or bubble. The tube’s longevity is based on a number of factors which include how hard and often the amplifier is played, vibration from the speakers, road travel, repeated set up and tear down, etc.
BA300 Bass Guitar Combo Amplifier BA300 TECHNICAL SPECIFICATIONS Output Power Rating 300 watts rms @ 4 ohms, 5% THD Signal to Noise Ratio 65 dB (20 Hz–20 kHz, unweighted) Gain 68 dB, tone controls flat Compressor Threshold –30 dBV to –6 dBV (0 dB input) Style Control 1 2 3 4 5 Tone Controls Bass: ±18 dB @ 40 Hz Midrange: ±18 dB @ 400 Hz Treble: ±18 dB @ 10 kHz Ultra Lo: +9 dB @ 100 Hz Ultra Hi: +9 dB @ 8 kHz Speaker Specs BA300-210: BA30