Basic troubleshooting
If the following remedies do not correct a problem, disconnect the amplifier
from the power and contact your authorised dealer or service centre.
Warranty
See two-year warranty details enclosed with your Medusa amplifier.
Specifications
Symptom
Cause
Remedy
The unit fails to turn on when
the POWER switch is pressed
Power cord is not properly
plugged in
Firmly plug in the power cord
and switch on at wall
No sound
The volume control is set fully
counterclockwise
Turn volume partially clockwise
Input cables not connected
securely or incorrect input
selected
Check correct input is selected
on front panel and inputs are
firmly connected to the
CORRECT terminals
Speaker systems not properly
connected
Connect them correctly
as per instructions
No sound from left or right
speaker channel
Speaker systems not properly
connected
Connect them correctly
as per instructions
Input cables not properly
connected
Connect them correctly
as per instructions
Sound is unstable with
inadequate or ‘hollow’ low-
range sound
Positive (+) and negative (–)
speaker connections are not
matched
Connect them correctly
as per instructions
Lo
udsp
eakers • Valve Amplifi
ers
Prou
dly Australian since 19
86
Richter Acoustics Pty Ltd, PO Box 578, Hamilton NSW 2303
(02) 4962 1594 [email protected] www.richter.com.au
Motorised Alps Volume control
Gold plated input and output terminals
Power amp mode: switch/line input for
third-party pre-amps
Balanced Line input
4 inputs (2x RCA ) (1X 3.5 Mini Jack
Front Plate) (1x dedicated Phono)
Simple Bias adjustment for power valves
Power Output: 50W x2
Dual Mono Design
Output Impedance: 4ohms or 8ohms
Frequency Response: 20Hz–50kHz (5W)
Distortion: 0.1% (10W)
Line input stage
S/N Ratio (LINE): 86dB
Input Sensitivity: 300mV
Unbalanced Input Impedance: 80k ohms
Balanced Input Impedance: 95k ohms
Phono stage
MM Impedance: 47k/68pF
MM Input Sensitivity: 3.5mV
S/N Ratio (Phono): 78dB
Remote control
Full function IR remote control
General
Max. Power Consumption: 300W
Tubes: KT88x4, 12AX7x2, 6SN7x2
Dimensions: 430x350x180mm (LxWxH)
Weight: 30kg
Medusa booklet layout_Layout 1 20/01/16 5:16 PM Page 4
