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SPECIFICATIONS
Rated Power & Load:
75 W RMS into 8 ohms with
DDT" compression
Power @ Clipping: (Typically)
(1 kHz, 120 V AC line)
78 W RMS into 8 ohms
@ 1% THD
84 W RMS into 8 ohms
@ 5% THD
Frequency Response:
+0, -2 dB, 30 Hz to 30 kHz, @
70 W RMS into 8 ohms
Total Harmonic Distortion:
Less than 0.2%, 100 mW to
70 W RMS, 30 Hz to 10 kHz
8 ohms, Typically below 0.1%
DDT"
Dynamic Range:
Greater than 20 dB
DDT"
Maximum
THD:
Below 0.6% THD for 6 dB
overload
Below 1% THD for 16 dB
overload
Hum & Noise:
Greater than 90 dB below rated
power
Power Consumption:
(Domestic)
200 W @ 120 V AC, 50/60 Hz
PREAMP
SECTION
The following specs are measured @ 1 kHz,
all EQ flat @ 0 dB, Master Effects set @ 0.
Nominal values are with levels @ 5
Minimum values are with levels @ 10
Low Z Microphone Input:
(Unbalanced XLR)
Input impedance, 3.3 K ohms
Nominal input level: -36 dBV,
15 mV RMS
Minimum input level: -54 dBY,
2 mV RMS
Maximum input level: Unlimited
Instrument Inputs: (Phone
Jack)
Input impedance: 33 K ohms
Nominal input level: -16 dBV,
150 mV RMS
Minimum input level: -34 dBV,
20 mV RMS
Maximum input level: Unlimited
Pre EQ Patch Out: (Stereo
Phone Jack Tip)
Function: Low level effects send
Input impedance: 10 K ohms or
greater
Nominal output level: -12 dBV,
0.25 V RMS
Pre EQ Patch In: (Stereo
Phone Jack Ring)
Function: Low level effects
return
Input impedance: 47 K ohms
Designed input level: -12 dBV,
.25 V RMS
(Switching jack providing pre
EQ patch out to pre EQ patch in
connection when not used)
Preamp Output: (Phone Jack)
Function: High level post EQ
send
Load impedance: 1 K ohms or
greater
Nominal output level: 0 dBV,
1 V RMS (at the DDT™ limit of
75 W RMS output)
Maximum output level:
+18 dBV, 8 V RMS
Power Amp Input: (Phone
Jack)
Function: High level post EQ
return
Input impedance: 22 K ohms
Designed input level; 0 dBV,
1 V RMS
(Switch
ck providing
preamp output to power amp
input connection when not used)
Headphone Output: (Stereo
Phone Jack, Mono Signal)
Load impedance: 4 ohms or
greater
Nominal power output: 100 mW
into 4 ohms
(Switching jack which discon-
nects the internal speaker when
plug is inserted)
Remote Switch: (Phone Jack)
Function:
Reverb defeat
footswitch
'The following specs are measured at
nominal settings, all phone jack inputs
terminated with 47 K ohms
Frequency Response:
(Channel input/preamp output @
1 V RMS level)
+0, -2 dB, 60 Hz to 20 kHz
System Distortion:
(Channel input/preamp out,
40 Hz - 20 kHz @ 1 V RMS)
Less than .05% THD, typically
below .01%
Preamp Hum & Noise:
75 dBV (all 3 channels opera-
tional)
Master Equalization:
+15 dB @ 80 Hz & 8 kHz,
shelving
+15 dB @ 400 Hz & 2 kHz,
peak/notch
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