S S Y Y S S T T E E M M S S P P E E C C I I F F I I C C A A T T I I O O N N S S : :
Mains Fuse = 8 amps
Mains Voltage = 120 VAC 60 Hz
Power Consumption = 350 watts
Hum and noise: Typically greater than -89 dB unweighted with
controls set as follows...
Pad = Passive
Bright = Normal
Pre gain = 5
Contour = 0
Low = 0
Mid = 0
Mid Shift = 1kHz
High = 0
Volume = 5
P P O O W W E E R R A A M M P P L L I I F F I I E E R R S S E E C C T T I I O O N N : :
P P R R O O T T E E C C T T I I O O N N : :
Electronic current limit protection circuit.
Thermal protection circuit.
D.C. crowbar protection circuit.
DDT speaker protection circuit with defeat switch.
Variable speed fan, thermally controlled
G G E E N N E E R R A A L L I I N N F F O O R R M M A A T T I I O O N N : :
Minimum load = 2 Ohms
Input sensitivity: 1.0 VRMS
Two 1/4" speaker jacks in parallel
R R A A T T E E D D P P O O W W E E R R O O U U T T P P U U T T : :
450 Watts (30.00 V RMS) into 2 Ohms
300 Watts (34.64 V RMS) into 4 Ohms
170 Watts (36.88 V RMS) into 8 Ohms
T T Y Y P P I I C C A A L L P P O O W W E E R R O O U U T T P P U U T T
475 Watts (30.82 V RMS) into 2 Ohms
with no more than 1% THD+N
308 Watts (35.10 V RMS) into 4 Ohms
with no more than 1% THD+N
177 Watts (37.63 V RMS) into 8 Ohms
with no more than 1% THD+N
N N O O I I S S E E : :
Typically greater than 102 dB below full power @
8 Ohms unweighted
D D D D T T D D y y n n a a m m i i c c R R a a n n g g e e : :
Typically greater than +15 dB
F F R R E E Q Q U U E E N N C C Y Y R R E E S S P P O O N N S S E E : :
+0/-0.61 dB, 100mW to 160 W RMS, 20 Hz to 20 kHz
(8 Ohm load, typically below 0.2% THD+N)
® ®
M M a a x x
4 4 5 5 0 0
S S P P E E C C I I F F I I C C A A T T I I O O N N S S
P P R R E E A A M M P P L L I I F F I I E E R R S S E E C C T T I I O O N N : :
S S E E T T T T I I N N G G S S F F O O R R M M E E A A S S U U R R E E M M E E N N T T S S U U N N L L E E S S S S O O T T H H E E R R W W I I S S E E N N O O T T E E D D : :
Pad = out (Passive)
Bright = out (Normal)
Pre-Gain = 5 (12 o'clock)
Contour = 0 (fully counterclockwise)
Bass = 0 (12 o'clock)
Mid = 0 (12 o'clock)
Mid Shift = 0 (12 o'clock)
High = 0 (12 o'clock)
Master Volume = 10 (fully Clockwise)
Line Out Level = 10 (fully Clockwise)
I I N N P P U U T T S S E E N N S S I I T T I I V V I I T T Y Y ( ( L L e e v v e e l l t t o o a a c c h h i i e e v v e e f f u u l l l l p p o o w w e e r r ) ) : :
With Pad Out...
Nominal input: 100 mV RMS
Minimum input: 9 mV(pre gain and master fully CW)
Maximum input: 3.0 V(maximum signal at input before
clipping occurs)
W W i i t t h h P P a a d d - - 1 1 0 0 d d B B i i n n : :
Nominal input: 315 mV RMS
Minimum input: 28 mV (pre gain and master fully CW)
Maximum input: 9 V (maximum signal at input before
clipping occurs)
E E Q Q U U A A L L I I Z Z A A T T I I O O N N : :
Bright boost: + 8 dB @ 5 kHz
Contour: Special frequency compensation
Bass: ± 15 dB @ 30 Hz, Shelving type Eq
Mid : ± 15 dB @ 200 @ 2 kHz (Mid shift control determines
center frequency)
Mid Shift: 200 to 2 kHz
High: ±15 dB @ 8 kHz, Shelving type Eq
T T U U N N E E R R S S E E N N D D : :
Instrument level through a buffer
L L I I N N E E O O U U T T : :
-∞ to -10 dB (for nominal input).
Level is dependent on level control setting and pre gain setting
E E F F F F E E C C T T S S L L O O O O P P : :
Set for -10 dB (0.315 V RMS) with pre @ 5, Master @ 10
Controlled via footswitch, ground tip to defeat.
P P R R E E A A M M P P O O U U T T P P U U T T : :
1 V RMS nominal
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