6. Technical specifications
2 years full warranty
7. Accessories
For protection of the front panel against damage or accidental
moving of the control elements, a transparent Plexiglas front
panel cover plate is available on extra order (GF 215 PC and
GF 230 PC). Attaching is simply done by using the provided
mounting holes in the front panel.
GF equalizers owner's manual
18
owner`s manual GF equalizers © 1994 Zeck Audio
GF 215
GF 230
Inputs
XLR and 1/4" instrument jack, parallel wired and electronically
balanced
Input Impedance: 10 kohms
Absolute overload level: +22 dBm
Pin configurations: XLR: 1 = n.c., 2 = +signal, 3 = –signal
Phone jack: tip = +signal, ring = –signal, sleeve = n.c.
Outputs
XLR and 1/4" instrument jack, parallel wired
Electronically balanced and floating for transformer simulation
Output Impedance: 51 ohm each terminal
Maximum output level: +21 dBm @ 600 ohms
Pin configurations:
XLR: 1 = earth, 2 = +signal, 3 = –signal
Phone jack: tip = +signal, ring = –signal, sleeve = earth
Frequency response
20 Hz - 20 kHz / ±0.5 dB, all controls flat, EQ in
Total Harmonic Distortion (THD)
< 0.01% @ 20 Hz-20 kHz
0.005 % @ 20 Hz - 20 kHz typically
Noise
< –95 dBm, all controls flat, EQ in
< –92 dBm, all controls flat, EQ in
< –75 dBm, all faders in maximum position
< –68 dBm, all faders in maximum position
both @ 22 Hz - 22 kHz, RMS unweighted
both @ 22 Hz - 22 kHz, RMS unweighted
Gain control
–10 dB to +10 dB with 0 dB center detent position
Channel separation
> –60 dB @ 20 Hz - 20 kHz
Level Indicator
5-step LED meter, +20 dBm headroom reference
Low Cut Filter
40 Hz / 18 dB cutoff slope, maximally flat response
Bandpass filters
2/3 octave, 25 Hz - 16 kHz according to ISO
1/3 octave, 25 Hz - 20 kHz according to ISO
Center frequency tolerance < 5%
Center frequency tolerance < 5%
Max. boost / cut ± 12 dB (± 0.5 dB)
Max. boost / cut ± 12 dB (± 0.5 dB).
Power Requirements
Line voltage: 230 V or 115 V ac, 10 VA
Line voltage: 230 V or 115 V ac, 15 VA
+ 10 % / - 15 %
+10% / -15%
internally reconnectable
internally reconnectable
(refer to qualified personnel)
(refer to qualified personnel)
Mains fuse: for 230 V use T160 mA / 250 V
Mains fuse: for 230 V use T 160 mA / 250 V
for 115 V use T 320 mA / 250 V
for 115 V use T 320 mA / 250 V
Dimensions (w x h X d)
482 x 89 x 200 mm, 2 rackspace height units
482 x 133 x 200, 3 rackspace height units
Weight
5 kg app.
7 kg app.
