<PAGE> PAGE 1
000 A000000 03/31/2000
000 C000000 756925
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 ADVANTUS SPECTRUM FUND, INC.
001 B000000 811-4143
001 C000000 6516656169
002 A000000 400 NORTH ROBERT STREET
002 B000000 ST PAUL
002 C000000 MN
002 D010000 55101
002 D020000 2098
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 3
007 C010100 1
007 C020100 CLASS A SHARES
007 C030100 N
007 C010200 2
007 C020200 CLASS B SHARES
007 C030200 N
007 C010300 3
007 C020300 CLASS C SHARES
007 C030300 N
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
020 A000001 DONALDSON LUFKIN
020 B000001 13-2741729
020 C000001 8
020 A000002 FIRST BOSTON
020 B000002 13-5659485
020 C000002 9
020 A000003 GOLDMAN SACHS
020 B000003 13-5108880
020 C000003 7
020 A000004 PAIN WEBBER
020 B000004 13-2638166
020 C000004 7
<PAGE> PAGE 2
020 A000005 LEHMAN BROTHERS
020 B000005 13-2518466
020 C000005 7
020 A000006 MORGAN STANLEY
020 B000006 13-2655998
020 C000006 5
020 A000007 PRUDENTIAL
020 B000007 22-2347336
020 C000007 4
020 A000008 WHEAT FIRST
020 B000008 WF
020 C000008 4
020 A000009 NORWEST
020 B000009 22-2347336
020 C000009 4
020 A000010 JEFFERIES
020 B000010 95-2848406
020 C000010 3
021 000000 86
022 A000001 FEDERATED PRIME
022 B000001 FEDERATED
022 C000001 32600
022 D000001 32403
022 A000002 MERRILL LYNCH
022 B000002 13-5674085
022 C000002 6174
022 D000002 6458
022 A000003 FIRST BOSTON
022 B000003 13-5659485
022 C000003 1120
022 D000003 5742
022 A000004 ARBOR TRADING
022 B000004 36-3540782
022 C000004 2150
022 D000004 4550
022 A000005 FIRST BOSTON
022 B000005 13-5659485
022 C000005 2550
022 D000005 2700
022 A000006 SALOMON BROTHERS
022 B000006 13-3082694
022 C000006 2798
022 D000006 1803
022 A000007 WARBURG, DILLION, & REA
022 B000007 WDR
022 C000007 2781
022 D000007 400
022 A000008 WARBURG SQ & CO.
022 B000008 WR
022 C000008 1850
022 D000008 650
<PAGE> PAGE 3
022 A000009 COUNTRY WIDE
022 B000009 COU
022 C000009 996
022 D000009 1048
022 A000010 PAIN WEBBER
022 B000010 13-2638166
022 C000010 910
022 D000010 902
023 C000000 58638
023 D000000 62581
024 00AA00 N
062 A00AA00 N
062 B00AA00 0.0
062 C00AA00 0.0
062 D00AA00 0.0
062 E00AA00 0.0
062 F00AA00 0.0
062 G00AA00 0.0
062 H00AA00 0.0
062 I00AA00 0.0
062 J00AA00 0.0
062 K00AA00 0.0
062 L00AA00 0.0
062 M00AA00 0.0
062 N00AA00 0.0
062 O00AA00 0.0
062 P00AA00 0.0
062 Q00AA00 0.0
062 R00AA00 0.0
071 A00AA00 73670
071 B00AA00 83050
071 C00AA00 10774
071 D00AA00 71
072 A00AA00 6
072 B00AA00 1102
072 C00AA00 351
072 D00AA00 0
072 E00AA00 0
072 F00AA00 332
072 G00AA00 37
072 H00AA00 0
072 I00AA00 0
072 J00AA00 8
072 K00AA00 0
072 L00AA00 65
072 M00AA00 3
072 N00AA00 24
072 O00AA00 0
072 P00AA00 0
072 Q00AA00 0
072 R00AA00 20
<PAGE> PAGE 4
072 S00AA00 4
072 T00AA00 258
072 U00AA00 0
072 V00AA00 0
072 W00AA00 0
072 X00AA00 750
072 Y00AA00 0
072 Z00AA00 703
072AA00AA00 7029
072BB00AA00 0
072CC01AA00 12629
072CC02AA00 0
072DD01AA00 609
072DD02AA00 128
072EE00AA00 4016
073 A01AA00 0.0000
073 A02AA00 0.0000
073 B00AA00 0.7000
073 C00AA00 0.0000
074 A00AA00 4
074 B00AA00 0
074 C00AA00 928
074 D00AA00 29262
074 E00AA00 1400
074 F00AA00 81450
074 G00AA00 0
074 H00AA00 0
074 I00AA00 0
074 J00AA00 6203
074 K00AA00 0
074 L00AA00 595
074 M00AA00 0
074 N00AA00 119842
074 O00AA00 1431
074 P00AA00 0
074 Q00AA00 0
074 R01AA00 0
074 R02AA00 0
074 R03AA00 0
074 R04AA00 198
074 S00AA00 0
074 T00AA00 118213
074 U01AA00 4082
074 U02AA00 1670
074 V01AA00 0.00
074 V02AA00 0.00
074 W00AA00 0.0000
074 X00AA00 8917
074 Y00AA00 0
075 A00AA00 0
075 B00AA00 110764
<PAGE> PAGE 5
076 00AA00 0.00
077 A000000 Y
077 B000000 N
077 P000000 Y
078 000000 N
080 A00AA00 FEDERAL COMPANY
080 C00AA00 15000
081 A00AA00 Y
081 B00AA00 51
082 A00AA00 Y
082 B00AA00 50
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
028 A010100 531
028 A020100 0
028 A030100 0
028 A040100 1477
028 B010100 776
028 B020100 0
028 B030100 0
028 B040100 1290
028 C010100 497
028 C020100 3104
028 C030100 0
028 C040100 951
028 D010100 804
028 D020100 0
028 D030100 0
028 D040100 1478
028 E010100 476
028 E020100 0
028 E030100 0
028 E040100 1096
028 F010100 551
028 F020100 266
<PAGE> PAGE 6
028 F030100 0
028 F040100 1390
028 G010100 3635
028 G020100 3370
028 G030100 0
028 G040100 7682
028 H000100 3240
029 000100 Y
030 A000100 141
030 B000100 5.50
030 C000100 0.00
031 A000100 1
031 B000100 0
032 000100 0
033 000100 141
042 A000100 0
042 B000100 0
042 C000100 0
042 D000100 0
042 E000100 0
042 F000100 0
042 G000100 0
042 H000100 100
043 000100 98
044 000100 0
028 A010200 326
028 A020200 0
028 A030200 0
028 A040200 469
028 B010200 191
028 B020200 0
028 B030200 0
028 B040200 725
028 C010200 327
028 C020200 973
028 C030200 0
028 C040200 659
028 D010200 514
028 D020200 0
028 D030200 0
028 D040200 399
028 E010200 352
028 E020200 0
028 E030200 0
028 E040200 690
028 F010200 639
028 F020200 42
028 F030200 0
028 F040200 524
028 G010200 2349
028 G020200 1015
<PAGE> PAGE 7
028 G030200 0
028 G040200 3466
028 H000200 0
034 000200 Y
035 000200 5
036 A000200 Y
036 B000200 0
042 A000200 0
042 B000200 0
042 C000200 0
042 D000200 0
042 E000200 0
042 F000200 0
042 G000200 0
042 H000200 100
043 000200 130
044 000200 0
028 A010300 163
028 A020300 0
028 A030300 0
028 A040300 124
028 B010300 53
028 B020300 0
028 B030300 0
028 B040300 232
028 C010300 105
028 C020300 230
028 C030300 0
028 C040300 168
028 D010300 34
028 D020300 0
028 D030300 0
028 D040300 108
028 E010300 118
028 E020300 0
028 E030300 0
028 E040300 317
028 F010300 54
028 F020300 9
028 F030300 0
028 F040300 125
028 G010300 526
028 G020300 239
028 G030300 0
028 G040300 1074
028 H000300 0
042 A000300 0
042 B000300 0
042 C000300 0
042 D000300 0
042 E000300 0
<PAGE> PAGE 8
042 F000300 0
042 G000300 0
042 H000300 100
043 000300 30
044 000300 0
SIGNATURE ROBERT E. HUNSTAD
TITLE PRESIDENT
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM
N-SAR AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM N-SAR.
</LEGEND>
<RESTATED>
<CIK> 0000756925
<NAME> MULTI CLASS ADVANTUS SPECTRUM FUND
<SERIES>
<NUMBER> 100
<NAME> CLASS A
<MULTIPLIER> 1000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> MAR-31-2000
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 79,517
<INVESTMENTS-AT-VALUE> 113,040
<RECEIVABLES> 6,798
<ASSETS-OTHER> 4
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 119,842
<PAYABLE-FOR-SECURITIES> 1,431
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 198
<TOTAL-LIABILITIES> 1,629
<SENIOR-EQUITY> 58
<PAID-IN-CAPITAL-COMMON> 77,980
<SHARES-COMMON-STOCK> 4,082
<SHARES-COMMON-PRIOR> 4,116
<ACCUMULATED-NII-CURRENT> 4
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 6,647
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 33,523
<NET-ASSETS> 84,046
<DIVIDEND-INCOME> 351
<INTEREST-INCOME> 1,102
<OTHER-INCOME> 0
<EXPENSES-NET> 750
<NET-INVESTMENT-INCOME> 703
<REALIZED-GAINS-CURRENT> 7,029
<APPREC-INCREASE-CURRENT> 12,629
<NET-CHANGE-FROM-OPS> 20,361
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (609)
<DISTRIBUTIONS-OF-GAINS> (2,851)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 190
<NUMBER-OF-SHARES-REDEEMED> 402
<SHARES-REINVESTED> 178
<NET-CHANGE-IN-ASSETS> 14,520
<ACCUMULATED-NII-PRIOR> 38
<ACCUMULATED-GAINS-PRIOR> 3,634
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 332
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 750
<AVERAGE-NET-ASSETS> 78,733
<PER-SHARE-NAV-BEGIN> 17.88
<PER-SHARE-NII> 0.14
<PER-SHARE-GAIN-APPREC> 3.42
<PER-SHARE-DIVIDEND> 0.15
<PER-SHARE-DISTRIBUTIONS> 0.70
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 20.59
<EXPENSE-RATIO> 1.14
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM N-SAR
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM N-SAR.
</LEGEND>
<RESTATED>
<CIK> 0000756925
<NAME> MULTI CLASS ADVANTUS SPECTRUM FUND
<SERIES>
<NUMBER> 101
<NAME> CLASS B
<MULTIPLIER> 1000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> MAR-31-2000
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 79,517
<INVESTMENTS-AT-VALUE> 113,040
<RECEIVABLES> 6,798
<ASSETS-OTHER> 4
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 119,842
<PAYABLE-FOR-SECURITIES> 1,431
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 198
<TOTAL-LIABILITIES> 1,629
<SENIOR-EQUITY> 58
<PAID-IN-CAPITAL-COMMON> 77,980
<SHARES-COMMON-STOCK> 1,366
<SHARES-COMMON-PRIOR> 1,372
<ACCUMULATED-NII-CURRENT> 4
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 6,647
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 33,523
<NET-ASSETS> 27,979
<DIVIDEND-INCOME> 351
<INTEREST-INCOME> 1,102
<OTHER-INCOME> 0
<EXPENSES-NET> 750
<NET-INVESTMENT-INCOME> 703
<REALIZED-GAINS-CURRENT> 7,029
<APPREC-INCREASE-CURRENT> 12,629
<NET-CHANGE-FROM-OPS> 20,361
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (104)
<DISTRIBUTIONS-OF-GAINS> (945)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 123
<NUMBER-OF-SHARES-REDEEMED> 183
<SHARES-REINVESTED> 54
<NET-CHANGE-IN-ASSETS> 14,520
<ACCUMULATED-NII-PRIOR> 38
<ACCUMULATED-GAINS-PRIOR> 3,634
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 332
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 750
<AVERAGE-NET-ASSETS> 25,921
<PER-SHARE-NAV-BEGIN> 17.79
<PER-SHARE-NII> 0.07
<PER-SHARE-GAIN-APPREC> 3.39
<PER-SHARE-DIVIDEND> 0.08
<PER-SHARE-DISTRIBUTIONS> 0.70
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 20.47
<EXPENSE-RATIO> 1.88
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMRY FINANCIAL INFORMATION EXTRACTED FROM FORM N-SAR
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM N-SAR.
</LEGEND>
<RESTATED>
<CIK> 0000756925
<NAME> MULTI CLASS ADVANTUS SPECTRUM FUND
<SERIES>
<NUMBER> 102
<NAME> CLASSC
<MULTIPLIER> 1000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> MAR-31-2000
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 79,517
<INVESTMENTS-AT-VALUE> 113,040
<RECEIVABLES> 6,798
<ASSETS-OTHER> 4
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 119,842
<PAYABLE-FOR-SECURITIES> 1,431
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 198
<TOTAL-LIABILITIES> 1,629
<SENIOR-EQUITY> 58
<PAID-IN-CAPITAL-COMMON> 77,980
<SHARES-COMMON-STOCK> 304
<SHARES-COMMON-PRIOR> 320
<ACCUMULATED-NII-CURRENT> 4
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 6,647
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 33,523
<NET-ASSETS> 6,188
<DIVIDEND-INCOME> 351
<INTEREST-INCOME> 1,102
<OTHER-INCOME> 0
<EXPENSES-NET> 750
<NET-INVESTMENT-INCOME> 703
<REALIZED-GAINS-CURRENT> 7,029
<APPREC-INCREASE-CURRENT> 12,629
<NET-CHANGE-FROM-OPS> 20,361
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (24)
<DISTRIBUTIONS-OF-GAINS> (220)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 28
<NUMBER-OF-SHARES-REDEEMED> 57
<SHARES-REINVESTED> 13
<NET-CHANGE-IN-ASSETS> 14,520
<ACCUMULATED-NII-PRIOR> 38
<ACCUMULATED-GAINS-PRIOR> 3,634
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 332
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 750
<AVERAGE-NET-ASSETS> 5,975
<PER-SHARE-NAV-BEGIN> 17.69
<PER-SHARE-NII> 0.07
<PER-SHARE-GAIN-APPREC> 3.37
<PER-SHARE-DIVIDEND> 0.08
<PER-SHARE-DISTRIBUTIONS> 0.70
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 20.35
<EXPENSE-RATIO> 1.88
</TABLE>