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(1) INPUT JACK

1/4'' phone jack to plug in active or passive basses with a 
shielded cord

(2) -10 dB PAD

This switch should be pressed if the CLIP(3) light stays on 
continuously.  It may be necessary to "pad" the input if you are
using a bass with active electronics or very high output.

(3) CLIP

LED indicator which lights when the input stage is being over-
driven.  If -10dB PAD (2) is pressed and CLIP(3) still stays lit,
turn down the volume on your bass.

(4) TUNING MUTE

Switch that mutes all outputs from the amplifier (speakers, direct
and balanced outs) so you can tune up without sending signal to
the audience or the P.A.. Tuning mute can be footswitch con-
trolled by using a G-K RF2 footswitch, which will leave both
hands free to tune your instrument.  To control TUNING MUTE
by footswitch, TUNING MUTE (4) switch must be "in"

(5) LED INDICATOR

Lights when TUNING MUTE is activated.

(6) VOLUME

Controls signal level at the beginning of preamp stages. 
Volume should be turned up until the CLIP(7) light comes on
when you're hitting your loudest notes.  At this setting you will
have the optimum signal/noise ratio.  Remember that your set-
tings in the VOICING FILTER and ACTIVE EQUALIZATION
sections can also cause clipping.  IF this occurs, re-adjust
VOLUME as explained above.

(7) CLIP

LED indicator that lights when either VOLUME, VOICING
FILTER, OR ACTIVE EQUALIZATION stages are being over-
driven.

(8) BOTTOM

Voicing filter which boosts or cuts +/-12dB at very low frequencies
(20Hz center freq.).  Boost this control if you want to add more
low-bass response.  Or, keep it turned down if you want a tighter,
less "boomy" bottom end.

(9) CONTOUR

Voicing filter that boosts highs (4kHz) and lows (80Hz), while
dropping out mids (600Hz).  Most players use this control
between half and maximum to create a "round" or "hi-fi" sound.
Use lower settings for a "flatter" response.

(10) PRESENCE

Voicing filter that boosts high frequencies (6.5kHz center freq.)
by as much as 12dB.  This control adds "edge" to help you cut
through the mix.

(11) - (14) ACTIVE EQUALIZATION

Four highly active tone controls, TREBLE, HI MID, LO MID,
AND BASS.  Each band of EQ creates wide tonal variations
without affecting the other bands.

(15) BOOST 1

A post EQ gain stage using GIVE Technology which adds

"growl" as you turn it up.  The RF2 footswitch allows you to
switch between BOOST1 and BOOST 2.

(16) LED INDICATOR

Lights when you have footswitched into the BOOST 2 mode.

(17) BOOST 2

A post EQ gain stage like BOOST 1, except this stage has higher
gain for "lead-bass" or solos.  Use BOOST 2 with LEVEL (18)
to create the desired amount of overdrive.  Note: You can only
access the BOOST 2 section via the RF2 footswitch.

(18) LEVEL

Determines the level coming out of BOOST 2 section.  Used to
set a different volume level for solos.

(19) AUX LEVEL

Controls signal level coming from AUX IN(26).  Creates effects

blend (dry vs. wet) when used in a "parallel" effects loop.

(20) MASTER

Master volume that controls output level to speakers.

(21) POWER SWITCH
(22) PROTECT

LED indicator that lights on power up, power down, or when-
ever the FAULT DETECTION CIRCUITRY relays have discon-
nected the 1000RB from your speakers.

(23) CLIP

LED indicator that lights when the output is clipping.

(24) POWER

LED indicator that lights during normal operation.

Front Panel Features

4

Содержание 1000RB

Страница 1: ...Operating Instructions 1000RB ...

Страница 2: ...Table of Contents INTRODUCTION 3 1000RB FEATURES 3 FRONT PANEL FEATURES 4 REAR PANEL FEATURES 5 HOOKING UP YOUR SPEAKERS 6 GETTING YOUR SOUND 6 TROUBLESHOOTING 7 USING EFFECTS 8 2 ...

Страница 3: ... bad sound We took all the same responsive bass tone G K amps are known for and made it even better We think you will be very pleased with your new 1000RB We are Bob Gallien Rich Krueger Introduction Power 500 watts RMS into 4 ohms High Current Capacity 60 amps peak current 5 000 watts of instantaneous power gives the 1000RB unparalleled transient response with complete control over the movement o...

Страница 4: ... response Or keep it turned down if you want a tighter less boomy bottom end 9 CONTOUR Voicing filter that boosts highs 4kHz and lows 80Hz while dropping out mids 600Hz Most players use this control between half and maximum to create a round or hi fi sound Use lower settings for a flatter response 10 PRESENCE Voicing filter that boosts high frequencies 6 5kHz center freq by as much as 12dB This co...

Страница 5: ...ition is used to take a balanced direct out put to the house PA in a live situation where the soundman wants a signal unaffected by your VOLUME and EQ controls In the in position the balanced output is POST comes from the last point in the preamp just before the master volumes and is affected by all the front panel controls A POST balanced out put can be used for recording 30 BAL LEVEL Adjusts sig...

Страница 6: ...ce if the CLIP 3 LED stays on con tinuously If so press the 10dB PAD 2 to prevent clipping in the input stage The CLIP indicator should only light when you hit your loudest notes If it stays lit after you have pressed the 10dB PAD turn down the volume on your bass 5 ADJUST VOLUME FOR LOW NOISE OPERATION Turn up VOLUME 6 as you play and set it so the CLIP 7 LED comes on with your loudest notes Save...

Страница 7: ...ER ELECTRICAL DEVICE OR OTHER ELECTRONIC DEVICES BAD GUITAR CABLE REPLACE CABLE COMPONENT FAILURE REFER TO SERVICE TECHNICIAN DISTORTION INPUT STAGE CLIPPING PRESS 10Db SWITCH TURN DOWN BASS PREAMP CLIPPING TURN DOWN VOLUME ADJUST EQ EFFECTS CLIPPING TURN DOWN VOLUME BOOST OR LEVELS ON EFFECTS POWER AMP CLIPPING TURN DOWN VOLUME BOOST OR MASTER VOLUME BAD BATTER IN ACTIVE BASS CHECK BATTERY COMPON...

Страница 8: ...line with the input In a series effects loop effects are connected in series between the 1000RB s preamp and power amp stages Connect SEND 28 to the mono input of an external effects device Come out of the mono output of your effects unit into RETURN 27 SEND 28 is post VOLUME and post EQ If the SEND signal is too hot it can overdrive your effects unit and it may be nec essary to reduce VOLUME 6 un...

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