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PARAMETER ADDRESSES WITHIN PROGRAMS

00 LOW EQ FREQ MSB / RES* 1 TUNE 
01 LOW EQ FREQ LSB / RES* 1 DECAY /16Hz
02 LOW EQ AMP MSB / RES* 1 AMP / 32Hz
03 LOW EQ AMP LSB / RES* 2 TUNE / 62Hz
04 MID EQ FREQ MSB /126Hz
05 MID EQ FREQ LSB / 250Hz
06 MID EQ BANDWIDTH / 500Hz
07 MID EQ AMP MSB / 1KHz
08 MID EQ AMP LSB / 2KHz
09 HIGH EQ FREQ MSB / RES* 2 DECAY / 4KHz
0A HIGH EQ FREQ LSB / RES* 2 AMP / 8KHz
0B HIGH EQ AMP MSB / 16KHz
0C HIGH EQ AMP LSB
0D LEZLIE HIGH ROTOR LEVEL / TAP 1 DELAY MSB
0E LOW MID EQ FREQ MSB / RES **1 TUNE
0F LOW MID EQ FREQ LSB / RES** 1 DECAY
10 LOW MID EQ BANDWIDTH / RES** 2 TUNE
11 LOW MID EQ AMP MSB / RES** 2 DECAY
12 LOW MID EQ AMP LSB / RES** 3 TUNE
13 HIGH MID EQ FREQ MSB / RES** 3 DECAY
14 HIGH MID EQ FREQ LSB / RES** 4 TUNE
15 HIGH MID EQ BANDWIDTH / RES** 4 DECAY
16 HIGH MID EQ AMP MSB / RES** 5 TUNE
17 HIGH MID EQ AMP LSB / RES** 5 DECAY
18 SAMPLE START / TAP 1 DELAY LSB
19 SAMPLE LENGTH / TAP 1 VOLUME
1A PITCH MODE
1B PITCH INPUT (0) / RES** 4 AMP (1-7)
1C LFO WAVEFORM (0)  / EQ PRESET NUMBER (1-7)
1D LFO SPEED
1E LFO DEPTH / RES*** DECAY
1F SAMPLE PLAYBACK MODE / TAP 1 PAN
20 PITCH FEEDBACK
21 DETUNE AMOUNT / SAMPLE PITCH
22 LEZLIE SEPARATION / TAP 1 FEEDBACK
23 LEZLIE MOTOR / SAMPLE REC AUDIO TRIG / 

TAP 2 DELAY MSB

24 LEZLIE SPEED / SAMPLE MIDI TRIG /

TAP 2 DELAY LSB

25 TRIGGER FLANGE / RES*** MIDI GATE
26 SAMPLE MIDI BASE NOTE / TAP 2 VOLUME
27 DELAY MODE
28 DELAY INPUT (0)  / RES** 5 AMP (1-7)
29 DELAY INPUT MIX
2A DELAY MSB / LEFT DELAY MSB / TAP 2 PAN
2B DELAY LSB / LEFT DELAY LSB /TAP 2 FEEDBACK
2C FEEDBACK / LEFT FEEDBACK / TAP 3 DELAY MSB
2D RIGHT DELAY MSB / TAP 3 DELAY LSB
2E RIGHT DELAY LSB / TAP 3 VOLUME
2F RIGHT FEEDBACK / TAP 3 PAN
30 SAMPLE LOW MIDI NOTE / TAP 3 FEEDBACK
31 SAMPLE HIGH MIDI NOTE / TAP 4 DELAY MSB
32 REVERB MODE / TAP 4 DELAY LSB
33 TAP 4 VOLUME
34 REVERB INPUT 1 / TAP 4 PAN
35 REVERB INPUT 2 / TAP 4 FEEDBACK
36 REVERB INPUT MIX / TAP 5 DELAY MSB
37 REVERB PREDELAY / TAP 5 DELAY LSB
38 REVERB PREDELAY MIX / TAP 5 VOLUME
39 REVERB DECAY / TAP 5 PAN
3A REVERB DIFFUSION / TAP 5 FEEDBACK
3B REVERB LOW DECAY / TAP 6 DELAY MSB
3C REVERB HIGH DECAY / TAP 6 DELAY LSB
3D REVERB DENSITY / TAP 6 VOLUME
3E REVERB GATE / TAP 6 PAN

3F REVERB GATE HOLD / TAP 6 FEEDBACK
40 REVERB GATE RELEASE / TAP 7 DELAY MSB
41 REVERB GATED LEVEL / TAP 7 DELAY LSB
42 RING MOD SHIFT MSB / TAP 7 VOLUME
43 RING MOD SHIFT LSB / TAP 7 PAN
44 CONFIGURATION
45 PRE-POST EQ (0) / DIRECT  LEVEL (1-7)
46 PREAMP LEVEL / EQ LEVEL
47 MASTER EFFECTS LEVEL
48 PITCH LEVEL / LEZLIE LEVEL / RING MOD
                LEV
49 DELAY LEVEL
4A REVERB LEVEL / RES** 1 AMP
4B RES*** PITCH 1 / TAP 8 DELAY MSB
4C RES*** PITCH 2 / TAP 8 DELAY LSB
4D RES*** PITCH 3 / TAP 8 VOLUME
4E RES*** PITCH 4 / TAP 8 PAN
4F RES*** PITCH 5 / TAP 8 FEEDBACK
50 MOD 1 SOURCE
51 MOD 1 TARGET
52 MOD 1 AMPLITUDE
53 MOD 2 SOURCE
54 MOD 2 TARGET
55 MOD 2 AMPLITUDE
56 MOD 3 SOURCE
57 MOD 3 TARGET
58 MOD 3 AMPLITUDE
59 MOD 4 SOURCE
5A MOD 4 TARGET
5B MOD 4 AMPLITUDE
5C MOD 5 SOURCE
5D MOD 5 TARGET
5E MOD 5 AMPLITUDE
5F MOD 6 SOURCE
60 MOD 6 TARGET
61 MOD 6 AMPLITUDE
62 MOD 7 SOURCE
63 MOD 7 TARGET
64 MOD 7 AMPLITUDE
65 MOD 8 SOURCE
66 MOD 8 TARGET
67 MOD 8 AMPLITUDE
68 MULTITAP MASTER FEEDBACK
69 MULTITAP NUMBER
6A 1ST DIGIT NAME
6B 2ND DIGIT NAME
6C 3RD DIGIT NAME
6D 4TH DIGIT NAME
6E 5TH DIGIT NAME
6F 6TH DIGIT NAME
70 7TH DIGIT NAME
71 8TH DIGIT NAME
72 9TH DIGIT NAME
73 10TH DIGIT NAME
74 11TH DIGIT NAME
75 12TH DIGIT NAME
76 13TH DIGIT NAME
77 14TH DIGIT NAME
78 RING MOD OUTPUT MIX / RES** 2 AMP
79 RING MOD DEL/REV MIX / RES** 3 AMP
7A PAN SPEED
7B PAN DEPTH
7C EQ-MODE (7)/COMPRESSION (4-6) / DISTORTION   (30)
7D MIX MODULATION (6-7) / EFFECT LOOP (5) / BASS 

   BOOST (4) / AMP 

TONE (3-2) / CAB (1-0) 
7E OVERDRIVE (7-5) / NOISE GATE (4-0)
7F PREAMP OUTPUT LEVEL

RES*  

= Resonator parameters in QUAD and 3 BAND EQ-REVERB modes

RES**  

= Resonator parameters in 5 BAND EQ-PITCH-DELAY mode

RES***  

= Resonator parameters in RESONATOR-DELAY-REVERB mode

QuadraVerb GT Service Manual------

25

Summary of Contents for QuadraVerb GT

Page 1: ...QuadraVerb GT Service Manual Revision 1 00 10 17 95 QuadraVerb GT Service Manual 1...

Page 2: ...ervice or repairs done by you or with reference to the Manual shall be solely your responsibility and Alesis shall have no liability for any such repairs or service work All such service or repairs ar...

Page 3: ...ON Danger of explosion if battery is incorrectly replaced Replace only with the same type or equivalent type recommended by the equipment manufacturer Battery Manufacturer Tadiran Type TL 5101 Rating...

Page 4: ...ects to fall into any openings of the product 6 Water or Moisture The product should not be used near any water or in moisture 7 Heat Do not place the product near heat sources such as stoves heat reg...

Page 5: ...s current after a significant amount of time 5 Cable Checks Wiggling cables can reveal intermittent failures such as loose cables or poorly soldered headers Remember to check power supply cables as we...

Page 6: ...THIS II WARNINGS III SAFETY SUGGESTIONS IV General Troubleshooting V 1 0 Schematics 7 2 0 Software History 9 3 0 GT MIDI Implementation 10 4 0 GT Service Parts List 26 Service Manual History 30 INDEX...

Page 7: ...1 0 Schematics QuadraVerb GT Service Manual 7...

Page 8: ...QuadraVerb GT Service Manual 8...

Page 9: ...trols 2 Fixes erroneous setting of preamp parameters when a program using the sampling configuration is recalled 3 Fixes distorted audio when a program using the reverb configuration has its reverb ch...

Page 10: ...f bits required to transmit the value of the parameter When the QuadraVerb GT receives this message it will edit the specified parameter to the new value and display it If the function and page select...

Page 11: ...m dump which corresponds to 12 800 bytes of program data The location of each parameter within a program is shown in the next section When the QuadraVerb GT receives a data dump message the display re...

Page 12: ...0 60 HIGH DEC 0 60 LOW DEC 10 0 60 HIGH DEC 0 60 HIGH DEC 0 60 HIGH DEC 0 1 GATE ON 0 60 HIGH DEC 11 0 1 GATE ON 0 1 GATE ON 0 1 GATE ON 0 99 GATE HLD 12 0 99 GATE HLD 0 99 GATE HLD 0 99 GATE HLD 0 9...

Page 13: ...NG PONG 1 0 1 INPUT 0 1 INPUT 0 1 INPUT 2 1 1500 DELAY 1 750 L DELAY 1 750 DELAY 3 0 99 FEEDB 0 99 L FEEDB 0 99 FEEDB 4 1 750 R DELAY 5 0 99 R FEEDB CONFIGURATION 3 5BAND EQ PCH DLY page 0 type 0 MONO...

Page 14: ...2 MIDI TRIG 5 0 127 MIDI LOW LIMIT 6 0 127 BASE NOTE 7 0 127 MIDI HIGH LIMIT PITCH FUNCTION 3 CONFIGURATION 0 EQ PCH DL REVERB 3 5BAND EQ PCH DLY page 0 type 0 M CHORUS 1 S CHORUS 2 M FLANGE 3 S FLANG...

Page 15: ...1 AMP 5 20 255 MID BANDWIDTH 0 60 RES 2 TUNE 6 0 560 MID BOOST CUT 0 99 RES 2 DCY 7 2000 18000 HIGH FREQUENCY 0 99 RES 2 AMP 8 0 560 HIGH BOOST CUT 200 9999 MID FREQUENCY 9 20 255 MID BANDWIDTH 10 0...

Page 16: ...8000 HIGH FREQUENCY 14 0 560 HIGH BOOST CUT Changing preset may change the EQ type to 5 BAND EQ or 5 RESONATOR 3 EQ x is the current resonator number CONFIGURATION 4 3 BAND EQ REVERB page 0 0 6 EQ PRE...

Page 17: ...RECT LEVEL 1 0 99 MASTER FX LEVEL 2 0 99 EQ LEVEL 3 0 99 DELAY LEVEL CONFIGURATION 3 5BAND EQ PCH DLY page 0 0 99 DIRECT LEVEL 1 0 99 MASTER FX LEVEL 2 type 0 PRE EQ 1 POST EQ 3 0 99 PREAMP LEVEL 0 99...

Page 18: ...th DIGIT NAME 9 32 127 10th DIGIT NAME 10 32 127 11th DIGIT NAME 11 32 127 12th DIGIT NAME 12 32 127 13th DIGIT NAME 13 32 127 14th DIGIT NAME 14 0 126 MOD 1 SOURCE 15 0 MOD 1 TARGET 16 0 198 MOD 1 AM...

Page 19: ...MOD 3XH EQ MOD 4XH MIX MOD 5XH MULTI TAP MOD Configuration 3 only 6XH 7XH PREAMP MOD The possible modulation targets within each of the above is as follows REVERB CONFIGURATION 0 1 4 5 6 nothing in 2...

Page 20: ...AP 4 PANNING 5CH TAP 5 PANNING 5DH TAP 6 PANNING 5EH TAP 7 PANNING 5FH TAP 8 PANNING 60H TAP 1 FEEDBACK 61H TAP 2 FEEDBACK 62H TAP 3 FEEDBACK 63H TAP 4 FEEDBACK 64H TAP 5 FEEDBACK 65H TAP 6 FEEDBACK 6...

Page 21: ...RS EQ 30H LOW EQ FREQUENCY RES 1 DECAY 31H LOW EQ BOOST CUT RES 1 AMP 32H MID EQ FREQUENCY RES 2 DECAY 33H MID EQ BANDWIDTH RES 2 AMP 34H MID EQ BOOST CUT MID EQ FREQUENCY 35H HIGH EQ FREQUENCY MID EQ...

Page 22: ...3DH MID EQ BOOST CUT 3EH HIGH EQ FREQUENCY 3FH HIGH EQ BOOST CUT CONFIGURATION 4 3 BAND EQ REVERB Target 30H LOW EQ FREQUENCY 31H LOW EQ BOOST CUT 32H MID EQ FREQUENCY 33H MID EQ BANDWIDTH 34H MID EQ...

Page 23: ...B Target PRE EQ POST EQ 40H DIRECT LEVEL DIRECT LEVEL 41H FX LEVEL FX LEVEL 42H PREAMP LEVEL EQ LEVEL 43H REVERB LEVEL REVERB LEVEL CONFIGURATION 5 RING DL REVERB Target 40H DIRECT LEVEL 41H FX LEVEL...

Page 24: ...ONE 4 0 1 BASS BOOST 5 0 2 CAB SIMULATOR 6 0 1 EFFECT LOOP 7 0 17 NOISE GATE 8 0 99 PREAMP OUTPUT LEVEL CONFIGURATION 7 SAMPLING page 0 0 7 COMPRESSION 1 0 7 OVERDRIVE 2 0 8 DISTORTION 3 0 2 PREAMP TO...

Page 25: ...TAP 5 DELAY MSB 37 REVERB PREDELAY TAP 5 DELAY LSB 38 REVERB PREDELAY MIX TAP 5 VOLUME 39 REVERB DECAY TAP 5 PAN 3A REVERB DIFFUSION TAP 5 FEEDBACK 3B REVERB LOW DECAY TAP 6 DELAY MSB 3C REVERB HIGH...

Page 26: ...N CER 43 PF CERDISC 1 02 0430 8 C78 85 MAIN FIL 1000 PF FILM 1 20 0102 1 C58 MAIN WIMA FIL 0 01 MF FILM 1 20 0103 10 C5 6 9 10 22 23 34 35 48 51 MAIN WIMA FIL 0 1 MF FILM 1 20 0104 3 C73 107 108 MAIN...

Page 27: ...MAIN TI NAT SIG IC 80C31 MPU 2 20 8031 1 U32 MAIN INTEL SIG IC TLO84 QUAD OP AMP 2 21 0084 9 U1 2 6 7 13 15 16 18 39 MAIN TI IC SSM2120 DUAL VCA 2 21 2120 1 U4 MAIN SSM IC CEM3381 VCA 2 21 3381 1 U12...

Page 28: ...R23 29 MAIN RES 1 2K 1 8W 5 0 00 0122 1 R107 MAIN RES 12K 1 8W 5 0 00 0123 3 R27 30 193 MAIN RES 120K 1 8W 5 0 00 0124 1 R104 MAIN RES 1 3K 1 8W 5 0 00 0132 1 R86 MAIN RES 13K 1 8W 5 0 00 0133 2 R116...

Page 29: ...S 56K 1 8W 5 0 00 0563 3 R79 80 91 MAIN RES 620 1 8W 5 0 00 0621 1 R109 MAIN RES 6 2K 1 8W 5 0 00 0623 1 R192 MAIN RES 680 1 8W 5 0 00 0681 1 R121 MAIN RES 6 8K 1 8W 5 0 00 0682 6 R12 49 60 95 115 206...

Page 30: ...Service Manual History 10 17 95 V1 00 First release QuadraVerb GT Service Manual 30...

Page 31: ...27 E EPROM 27 EQ 10 12 13 14 15 16 17 19 20 21 22 23 25 F FEEDBACK 13 20 25 FLANGE 14 20 25 G GT 10 11 26 27 J J15 27 L LCD 27 28 LED 26 27 28 LEZLIE 12 13 14 15 17 20 21 22 25 low pass 27 LSB 10 25 M...

Page 32: ...136 29 R137 29 R61 29 R7 29 R87 29 Resonator 12 14 15 16 18 21 22 23 25 REVERB 9 10 12 13 14 15 16 17 18 19 20 21 22 23 25 RING MOD 17 25 S S1 27 SAMPLE 14 25 SRAM 27 SYSTEM EXCLUSIVE 10 U U1 27 U10 2...

Page 33: ...NOTES QuadraVerb GT Service Manual 33...

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