AMP 50
Stereo Power Amplifier
Congratulations on your purchase of the AudioSource® AMP 50.
Please take a few moments to read this entire manual, and be sure to
retain this document for future reference. Please read and observe all
safety instructions detailed on page 2.
NOTE: If any part of this product is damaged or missing, please call your
dealer or AudioSource® directly at 1.877.715.5439 or 503.914.4688.
Please read your warranty and retain your receipt and original carton
for possible future use.
For more information about AudioSource® electronics, speakers and
accessories please visit www.audiosource.net
FEATURES:
Separate Bass & Treble Controls
Front Panel Volume Controls
Signal Sensing “Power On / Off”
Mini Form Factor / Light Weight
SPECIFICATIONS
Stereo (8 ohm): 25W per channel, 20Hz ~ 20kHz, <1% THD+N*
Stereo (4 ohm): 30W per channel, 20Hz ~ 20kHz, <1% THD+N*
Bridged Mono (8 ohm): N/A
Frequency Response: 10Hz ~ 20kHz, +0dB/ -3dB
Signal to Noise Ratio: 100dBA
Channel Separation: 65dB @ 1kHz
Input Sensitivity: 900mV input for rated output
into 8 ohms
AC Power Consumption: 250W maximum
Net Weight: 2.1lbs / 1kgs
8.5” (216mm)
6”
(153mm)
2.75”
(70mm)
AMP 50
Power
Auto On/Off
Bass Treble Volume
MIN MAX MIN MAX MIN MAX
Stereo Power Amplifier
0 0
1
13970 SW 72nd Ave. Portland, OR 97223 • 503.914.4688 • www.audiosource.net
AMP 50 Owners Manual
AMP 50
OWNER’S MANUAL
*Peak Power
2 x 15 Watts RMS @ 8 Ohms
50’ or less - 16 Gauge 2-Cond. CL3 Rated
50’ - 150’ - 12 Gauge 2-Cond. CL3 Rated
150’ - 200’ - 10 Gauge 2-Cond. CL3 Rated
For stereo output connect the speaker’s positive (red) terminal to the amplifier’s
positive (red) terminal, and the speaker’s negative (black) terminal to the
amplifier’s negative (black) terminal for each Right and Left speaker.
NOTE: To prevent sonic degradation in your speaker installation, total speaker
wire resistance should be kept below 0.5 ohms. This table lists recommended
speaker wire gauge versus wire run length.
SPEAKER TERMINALS
CAUTION
RISK OF ELECTRICAL SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO
USER SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL!
Limited Warranty
AudioSource® warrants its amplifier products against defects in materials
and workmanship for a limited period of time. For a period of two years from
date of original purchase, we will repair or replace the product, at our option,
without charge for parts and labor. Customer must pay all parts and labor
charges after the limited warranty period expires. The limited warranty period
for factory refurbished products expires after ninety (90) days from date of
original purchase.
This limited warranty applies only to purchases from authorized AudioSource®
electronics retailers. This limited warranty is extended only to the original
purchaser and is valid only to consumers in the United States.
Consumers are required to provide a copy of the original sales invoice from
an authorized AudioSource® dealer when making a claim against this limited
warranty. This limited warranty only covers failures due to defects in materials
or workmanship that occur during normal use. It does not cover failures
resulting from accident, misuse, abuse, neglect, mishandling, misapplication,
alteration, faulty installation, modification, service by anyone other than
AudioSource®, or damage that is attributable to Acts of God. It does not
cover costs of transportation to AudioSource® or damage in transit. The
customer should return his defective product, freight prepaid and insured, to
AudioSource® only after receiving a Return Authorization.
This warranty will become void if the serial number identification has been
wholly or partially removed, altered or erased. Repair or replacement under
the terms of this warranty does not extend the terms of this warranty. Should
a product prove to be defective in workmanship or material, the consumer’s
sole remedies will be repair or replacement as provided under the terms
of this warranty. Under no circumstances shall AudioSource® be liable for
loss or damage, direct, consequential or incidental, arising out of the use of
or inability to use the product. There are no express warranties other than
described above.
REAR PANEL CONTROLS
8. Speaker Zone A Output
Speaker output terminals for zone A.
9. Speaker Zone B Output
Speaker output terminals for zone B
7. Power Cord & Fuse Holder
This amplifier is configured for operation at 115V. (North America) A fuse
in the integrated holder provides safety protection from fault conditions.
Replace fuse with 5 x 20mm T4A 250V.
5. RCA Input
This is the primary input connector used by most home audio sources
6. Mini Stereo Input
This is the primary input connector used by most portable audio source
as well as most computers
10. Auto-On / Normal Switch
Changes amplifier power on function from manual to auto sensing.
13970 SW 72nd Ave. Portland, OR 97223 • 503.914.4688 • www.audiosource.net 2
13970 SW 72nd Ave. Portland, OR 97223 • 503.914.4688 • www.audiosource.net
AMP 50 Owners Manual
AMP 50
OWNER’S MANUAL
1. Power Switch
Switches the AMP 50 on or off. A red LED indicates connection to AC power
while in standby mode.
2. Bass Adjustment Control
3. Treble Adjustment Control
4. Volume
Adjusts amplifier volume.
FRONT PANEL CONTROLS
3
2
1 4
68
9
5
13970 SW 72nd Avenue Portland, Oregon 97223
503.914.4688 Fax: 503.746.5224 Support: 877.715.5439
Left Input
Right Input
Stereo
Input
FUSE 4A/250V
AC 18V
AUTO ON
NORMAL AUTO
10
7
Figure 2. Rear Panel
Figure 1. Front Panel
AMP 50
Power
Auto On/Off
Bass Treble Volume
MIN MAX MIN MAX MIN MAX
Stereo Power Amplifier
00
