Very nice and fully refurbished STUDER 269 analog mixing console with 16 mic/line channels and 2 master busses.
Each channel features 2 auxiliary sends and a 3-band equalizer with a parametric mid band.
The console comes with the pictured custom VU bridge and external power supply.
It is not yet located at our premises — we are brokering it for a client, but will test and, if necessary, service the unit before delivery.
For inquiries or if you are interested in a complete refurbishment, please send us an email.
General Information
Voltages in dBu always refer to 0.775V (0 dBu = 0.775V).
Channel and master controls are set to -10 dB.
Line outputs are terminated with 600 ohms.
External sources have a source impedance of ≤ 2000Ω.
The specifications apply within the range of 40 Hz to 15 kHz.
The specified levels are measured using a continuous sine wave signal (0 VU = 6 dB below full scale level).
Levels
Microphone sensitivity: -61 dBu to -22 dBu
Line input sensitivity: -23 dBu to +16 dBu
Insert point level: -10 dBu
Output level, adjustable range: +6 to +15 dBu
Monitor and pre-fade listen level, unbalanced and unloaded: +6 to +15 dBu
Impedances
Microphone input impedance: ≥ 1.2 kΩ
Line input impedance: > 5 kΩ
Source impedance of the line outputs: ≤ 50 Ω
Frequency Response
Filter off: +0.5 / -1 dB
Low-cut filter 12 dB/octave, -3 dB: 75 Hz ± 5 Hz
High EQ, 20 kHz: ±15 dB
Low EQ, 20 Hz: ±15 dB
Presence filter, Q = 1, adjustable from 150 Hz to 7 kHz: 11 dB
Headroom
Max. mic input level for k3 = 1% at 40 Hz: -2 dBu
Max. line input level for k3 = 1% at 40 Hz: +23 dBu
Headroom before the channel fader (k-total = 1%): 30 dB
Headroom before the master fader (k-total = 1%): 25 dB
Max. level of line outputs, RL 200 ohms: +21 dBu
Noise
Noise values are RMS measurements with an equivalent noise bandwidth of 30 Hz to 23 kHz (Siemens U2033 or equivalent instrument).
Noise figure F of the microphone input, source impedance = 200 ohms: ≤ 5 dB
Signal-to-noise ratio at the master output, master fader closed: > 86 dB
One channel, input and master fader at -10 dB
Gain input/output = 1
without filter: > 83 dB
with filter (flat): > 80 dB
Distortion (THD)
+6 dBu input and output at 1 kHz: ≤ 0.1%
+6 dBu input and output from 40 Hz to 15 kHz: ≤ 0.2%
Crosstalk
Mono crosstalk: < -75 dB
Stereo crosstalk: < -70 dB
Power Supply 169/269
Switchable mains voltage: 100V, 120V, 140V, 200V, 220V, 240V ±10%
External power supply: 8.5... 24V DC max. 2.5A, inrush current up to 4.5A
Operating time with fully charged batteries 169: 4... 5 hrs
Operating time with fully charged batteries 269: 3... 4 hrs
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