Laney NEXUS-TUBE - Manual (Page 14)

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TECHNICAL SPECIFICATIONS
Laney
OPERATING INSTRUCTIONS
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Power Amplifier: 400W RMS @ 5%THD into 2/4/8 Ohms
(3xECC83,1x12BH7, 8xKT88) Small signal parameters
20Hz-20kHz -1dB, THD typical 0.25%
Power Consumption: 800 Watts maximum
Size:
W*H*D, V = 524*218*400, 45ltrs
Weight: 34.5kg
Inputs:
Single Jack with -10dB Pad switch. Zin 1M Ohm 20mV-8Vrms
Preamp Bar Graph Level Indicator: 4 led bargraph display with
combined mute indicator and peak lights.
Fet Gain control: With on/off switch and LED indication (Remote
footswitchable)
Tube Drive control: 40mV to 850uV sensitivity.
Tube Master control: With on/off switch and LED indication.
(Remote footswitchable)
Compressor: Single control for threshold and range with auto
level adjust.
Sited post gain pre-EQ
(Remote footswitchable)
Bass & Treble: Shelving controls. ( ±12dB@50Hz, ±15dB@5Khz)
Dual Para-mid: High and low paramid EQ (±12dB 50Hz-600Hz &
±12dB 400Hz-4kHz)
On/off switch & LED indication.
(Remote footswitchable)
Graphic EQ: 6 band (+-15dB @ 40Hz HiQ, 80Hz HiQ, 160Hz HiQ,
400Hz LoQ, 800Hz LoQ, 4kHz LoQ)
On/off switch and LED indication.
(Remote footswitchable)
Presence Control: Active power stage HF feedback control
(+10dB@3kHz)
Deep Control: Active power stage LF feedback control.(+5dB@50Hz)
Sub Filter: Active filter prior to output stage (-3dB @ 35Hz 24dB/oct)
Switchable with LED indication
Master Volume Control: Residual noise -60dBu Volume min, -42dBu
Volume max. (Typical SNR 85dB)
Power & Standby switches: Relay controlled standby on both HT
rails to power stage. All signal switching via sealed gold
contact relays only.
Speaker outputs:
3x Neutrik Combi Speakons Jack/Speakon. 2,4,8 Ohms
Preamp Out Power Amp In:
2x Jacks post master volume (+13dBu/ 3.4V)
Power amp nominal gain 24dB
DI out:
Male XLR socket
Balanced & switchable Pre-Post EQ. (-20dBu)
Ground Lift switch feature.
FX Loop:
Send return Jacks (Insert) post EQ pre Master volume.
Nominal 250mV (-10dBu)
Tuner Out:
Jack feed from input buffer Pre all controls. Still operative
in mute mode.
(Muting via de-selection of both tube and FET channels)
TM
Tube performance indicators:
Individual tube sensing circuitry giving indication at each
tube base via led's for performance levels and bias.
Individual output tube fuses with LED indicators to
prevent the amplifier failing due to a single tube fault
during performances.
Fan Control:
On/ff switch for cooling fan.
Overload cut out:
Re-settable overload power button in lieu of power fuse
for increased reliablity.
Remote switching:
Via the 5 way included FS7 model footswitch,
Tube channel on/off
Fet channel on/off
Paramid on/off
Graphic on/off
Compressor on/off
(All settings memorised at switch off)
Muting via de-selection of both tube and FET channels