Ampeg B15 User Manual

OUTPUT POWER RATING 100 watts @ 5%THD, 8 ohm load, 120VAC
SPEAKER SIZE AND RATING Ampeg Vintage 15”, 8 ohm, 150 watt, 2” voice coil, 56 oz magnet
High Efficiency Piezo Tweeter, 8 ohm, 150 watt (w/network)
CROSSOVER FREQUENCY 3kHz
ULTRA HIGH SWITCH 6dB Boost @ 4kHz
ULTRA LOW SWITCH 10dB Boost @ 40Hz
BASS CONTROL 25dB Range @ 40Hz
MID CONTROL 34dB Range @ 200, 400, 900, 1.5k or 2.5kHz
TREBLE CONTROL 30dB Range @ 4kHz
INPUT IMPEDANCE 0dB: 3M ohms; -15dB: 47k ohms
MAX. INPUT SIGNAL LEVEL ACCEPTED 0dB: 1V RMS; -15dB: 5.75V RMS
TOTAL SYSTEM GAIN 50dB w/tones flat, Ultra Low and Ultra High off
SIGNAL TO NOISE RATIO 90dB
POWER REQUIREMENTS 120VAC, 60Hz, 400VA
100VAC, 50/60Hz, 400VA
230VAC, 50/60Hz, 400VA
DIMENSIONS 24”W x 16-1/2”D x 24-1/4”H w/amp flipped inside, w/out caster board
32-7/8” H w/amp flipped out, w/out caster board; 37-1/4” H w/caster board
WEIGHT: 117 lbs
Ampeg continually develops new products, as well as improves existing ones. For this reason,
the specifications and information in this publication are subject to change without notice.
www.ampeg.com
Ampeg is proudly Made in America.
©2003 SLM Electronics, 1400 Ferguson Avenue, St. Louis, MO 63133 U.S.A.
P/N 47-667-04 • 110503
0dB
-15dB
ULTRA
LOW
ULTRA
HIGH
GAIN
BASS
MID
TREBLE
FREQUENCY
MASTER
LINE
OUT
LINE
IN
PHASE
INVERTER
POWER
TUBES
BALANCED
LINE OUT
LEVEL
PRE
POST
LIFT/
GND
60W
100W
BIAS
15"
WOOFER
HF
HORN
OFF
-6
0
XO
8 OHMS
4 OHMS
TECHNICAL SPECIFICATONS:
SYSTEM BLOCK DIAGRAM:

Ampeg B15 Specifications

Power

output power rating	100 watts @ 5% THD, 8 ohm load, 120VAC
power requirements (120VAC)	60Hz, 400VA
power requirements (100VAC)	50/60Hz, 400VA
power requirements (230VAC)	50/60Hz, 400VA

Speaker Specifications

speaker size and rating	Ampeg Vintage 15”, 8 ohm, 150 watt, 2” voice coil, 56 oz magnet
high efficiency piezo tweeter	8 ohm, 150 watt (w/network)
crossover frequency	3kHz

Control Specifications

ultra high switch	6dB Boost @ 4kHz
ultra low switch	10dB Boost @ 40Hz
bass control	25dB Range @ 40Hz
mid control	34dB Range @ 200, 400, 900, 1.5k or 2.5kHz
treble control	30dB Range @ 4kHz

Input Specifications

input impedance (0dB)	3M ohms
input impedance (-15dB)	47k ohms
max. input signal level accepted (0dB)	1V RMS
max. input signal level accepted (-15dB)	5.75V RMS

Performance

total system gain	50dB w/tones flat, Ultra Low and Ultra High off
signal to noise ratio	90dB

Weight and Dimensions

dimensions	24”W x 16-1/2”D x 24-1/4”H w/amp flipped inside, w/out caster board
height w/amp flipped out, w/out caster board	32-7/8” H
height w/caster board	37-1/4” H
weight	117 lbs