| Preamplifiers and
General: |
|
Instrument / DI Input Amplifier
Twin Topology® |
TUBE: Selected twin triode vacuum tube
amplifier (200 V)
SOLID STATE: Selected all discrete J-FET amplifier (50
V) |
| THD + Noise |
|
20 Hz - 30 kHz (35 dB Gain)
|
0.0005% typical mic / line,
0.03% typical vacuum tube |
| Intermodulation
Distortion |
0.0009% typical mic / line,
0.03% typical vacuum tube |
| Frequency Response
@ -3 dB points |
3 Hz to 300 kHz, typical.
Varies with routing & topology |
| Maximum Balanced Line Input
Level |
+23 dBu (+43 dBu with Pad engaged or
>110 Volts rms) |
| Maximum DI Input
Level (Both Tube & SS) |
+18 dBu (+26 dBu with Pad
engaged or >15 Volts rms) |
| Maximum Output
Level |
+32 dBu active balanced
outputs, +26 dBu unbal outputs |
| Maximum System
Gain |
45 dB standard (65 dB with
optional HV-3 mic preamp) |
| Input Impedance
(DI) |
Switchable: 470 kilohms
/ 2 megohms / 10 megohms |
| Noise (Mic) (60
dB gain) |
-128 dB EIN, 150 ohm source,
-130 dB EIN common
source |
| Noise (Line) (10 dB gain) |
-105 dBu |
| Noise (DI) (10 dB gain) |
-90 dBu (solid state) |
| Phase Error (EQ
out) |
Less than +/- 5 degrees
50 Hz to 20 kHz |
| Parametric Equalizer |
|
| Maximum Boost and
Cut |
+/– 15 dB (21 step
detent |
| “Q”
Range |
Q+ 0.4 to 4.0 sweepable |
| Low Freq sweep |
Switch In: Pure Class-A
Discrete J-FETs |
| Hi Freq sweep |
Switch Out: Pure Class-A Triode Tubes |
| Power
Consumption |
35 watts maximum |
| Power Requirements |
Selectable: 100-120, 200-240
V ac, 50/60 Hz |
| Dimensions/Shipping
Weight |
8.5” W x 3.5”
H x 13.0” D, 20 lbs. |
