“Q” Range |
Q = 0.4 to 4.0 Adjustable on middle ranges |
|
Q = 1.0 Fixed on low & high ranges |
Maximum Output Level |
> + 28 dBu |
Maximum Input Level (EQ Flat)
|
+ 28 dBu |
Maximum Input Level (EQ Full Boost) |
+ 17 dBu |
Frequency Response
|
|
+0 / -3 dB
|
sub 2 Hz to beyond 300 kHz |
Frequency Response, Stereo Deviation |
+/- 0.5 dB (with Mastering Option) |
Noise (All EQ Stages In, Controls Flat) |
-106 dBu |
Maximum Boost (21 Step Detented)
|
+20 dB (+10 dB with range switch in) |
Maximum Cut (21 Step Detented) |
-20 dB (-10 dB with range switch in) |
EQ Frequencies
|
|
Low Range Switch (Centers - Peak/Shelf Selectable):
|
20, 34, 56, 100, 180, 270 |
Low Mid Sweep:
|
20 Hz - 220 Hz or 200 Hz - 2.2 kHz. 10X Range switch selectable. |
Hi Mid Sweep:
|
250 Hz - 2.5 kHz or 2.5 kHz - 25 kHz. 10X Range switch selectable. |
High Range Switch (Centers - Peak/Shelf Selectable) |
4.8 k, 5.8 k, 8.0 k, 10 k, 16 k, 21 k |
THD + Noise |
|
20 Hz - 30 kHz, All EQ Bands Switched In
|
< .009%, typ < .003 % |
Common Mode Rejection Ratio |
|
10 Hz - 20 KHz, 100 mV C.M.
|
> 60 dB, Typ > 80 dB |
Slew Rate, +27 dBu Out |
> 50 volts per microsecond |
Main Hard-wire Bypass Switch For Each Channel? |
Yes |
Peak/Shelf Selection On High & Low Range? |
Yes |
Hard-wire Bypass Switching On Individual EQ Bands? |
Yes |
Input Impedance |
25 kilohms |
Minimum Output Load Impedance |
50 ohms |
Recommended Load |
> 500 ohms |
Output Impedance |
5 ohms |
EQ Amplifiers |
Pure Class-A Discrete J-FETs |