UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
ZYTEC CORP.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
989867106
(CUSIP Number)
Is a fee being paid with this statement: ( )Yes ( X )No
*The remainder of this page shall be filled out for a
reporting person's initial filing on this form with respect
to the subject class of securities, and for any subsequent
amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page
shall be deemed to be "filed" for the purpose of Section 18
of the Securities Exchange Act of 1934 ("Act") or otherwise
subject to the liabilities of that section of the Act but
shall be subject to all other provisions of the Act
(however, see the Notes).
13G
CUSIP No. 989867106
1. Name of Reporting Person
S.S. or I.R.S. Identification No. of above person
STEIN ROE & FARNHAM INCORPORATED
36-3447638
2. Check the appropriate box if a member of a group
(a) -----
(b) -----
3. SEC USE ONLY
4. Citizenship or place of organization
Delaware Corporation
Number of shares beneficially owned by each reporting person
with
5. Sole voting power -0-
6. Shared voting power -0-
7. Sole dispositive power -0-
8. Shared dispositive power -0-
9. Aggregate amount beneficially owned by each reporting
person -0-
10. Check box if the aggregate amount in Row (9) excludes
certain shares not applicable
11. Percent of class represented by amount in Row 9 0.00%
12. Type of Reporting Person IA
Item 1(a). Name of Issuer: ZYTEC CORP.
Item 1(b). Address of Issuer's Principal Executive Office:
7575 Market Plaza Drive
Eden Prairie, Minnesota 55344
Item 2(a). Name of Person Filing:
Stein Roe & Farnham Incorporated
Item 2(b). Address of Principal Business Office:
One South Wacker Drive
Chicago, IL 60606
Item 2(c). Citizenship: Delaware Corporation
Item 2(d). Title of Class of Securities: Common Stock
Item 2(e). CUSIP Number: 989867106
Item 3. If this statement is filed pursuant to Rules 13d-
1(b), or 13d-2(b), check whether person filing is a:
(e) [XX] Investment Adviser registered under
Section 203 of the Investment Advisers Act of 1940.
Item 4. Ownership:
(a) Amount beneficially owned: -0-
(b) Percent of Class: 0.00%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote:
-0-
(ii) shared power to vote or to direct the
vote: -0-
(iii) sole power to dispose or to direct the
disposition: -0-
(iv) shared power to dispose or to direct the
disposition: -0-
Item 5. Ownership of Five Percent or Less of a Class:
This report is being filed to reflect beneficial
ownership of less than 5% of the common stock.
Item 6. Ownership of More than Five Percent on Behalf of
Another Person:
Not Applicable
Item 7. Identification and Classification of the Subsidiary
which Acquired the Security Being Reported on by the Parent
Holding Company:
Not Applicable
Item 8. Identification and Classification of Members of the
Group:
Not Applicable
Item 9. Notice of Dissolution of Group:
Not Applicable
Item 10. CERTIFICATION:
By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above
were acquired in the ordinary course of business and
were not acquired for the purpose of and do not have the
effect of changing or influencing the control of the
issuer of such securities and were not acquired in
connection with or as a participant in any transaction
having such purposes or effect.
SIGNATURE: After reasonable inquiry and to the best of
my knowledge and belief, I certify that the information
set forth in this statement is true, complete and
correct.
Date: February 12, 1997
By: /s/ Jilaine Hummel Bauer
Jilaine Hummel Bauer
Senior Vice President & General Counsel
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
ZYTEC CORP.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
989867106
(CUSIP Number)
Is a fee being paid with this statement: ( X )Yes ( )No
*The remainder of this page shall be filled out for a
reporting person's initial filing on this form with respect
to the subject class of securities, and for any subsequent
amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page
shall be deemed to be "filed" for the purpose of Section 18
of the Securities Exchange Act of 1934 ("Act") or otherwise
subject to the liabilities of that section of the Act but
shall be subject to all other provisions of the Act
(however, see the Notes).
13G
CUSIP No. 989867106
1. Name of Reporting Person
S.S. or I.R.S. Identification No. of above person
STEIN ROE & FARNHAM INCORPORATED
36-3447638
2. Check the appropriate box if a member of a group
(a) -----
(b) -----
3. SEC USE ONLY
4. Citizenship or place of organization
Delaware Corporation
Number of shares beneficially owned by each reporting person
with
5. Sole voting power -0-
6. Shared voting power -0-
7. Sole dispositive power 254,500 shares
8. Shared dispositive power -0-
9. Aggregate amount beneficially owned by each reporting
person 254,500 shares
10. Check box if the aggregate amount in Row (9) excludes
certain shares not applicable
11. Percent of class represented by amount in Row 9 5.86%
12. Type of Reporting Person IA
Item 1(a). Name of Issuer: ZYTEC CORP.
Item 1(b). Address of Issuer's Principal Executive Office:
7575 Market Plaza Drive
Eden Prairie, Minnesota 55344
Item 2(a). Name of Person Filing:
Stein Roe & Farnham Incorporated
Item 2(b). Address of Principal Business Office:
One South Wacker Drive
Chicago, IL 60606
Item 2(c). Citizenship: Delaware Corporation
Item 2(d). Title of Class of Securities: Common Stock
Item 2(e). CUSIP Number: 989867106
Item 3. If this statement is filed pursuant to Rules 13d-
1(b), or 13d-2(b), check whether person filing is a:
(e) [XX] Investment Adviser registered under
Section 203 of the Investment Advisers Act of 1940.
Item 4. Ownership:
(a) Amount beneficially owned: 254,500 shares
(b) Percent of Class: 5.86%
(c) Number of shares as to which such person has:
(i) sole power to vote or to direct the vote:
-0-
(ii) shared power to vote or to direct the
vote: -0-
(iii) sole power to dispose or to direct the
disposition: 254,500 shares
(iv) shared power to dispose or to direct the
disposition: -0-
Item 5. Ownership of Five Percent or Less of a Class:
Not Applicable
Item 6. Ownership of More than Five Percent on Behalf of
Another Person:
Not Applicable
Item 7. Identification and Classification of the Subsidiary
which Acquired the Security Being Reported on by the Parent
Holding Company:
Not Applicable
Item 8. Identification and Classification of Members of the
Group:
Not Applicable
Item 9. Notice of Dissolution of Group:
Not Applicable
Item 10. CERTIFICATION:
By signing below I certify that, to the best of my
knowledge and belief, the securities referred to above
were acquired in the ordinary course of business and
were not acquired for the purpose of and do not have the
effect of changing or influencing the control of the
issuer of such securities and were not acquired in
connection with or as a participant in any transaction
having such purposes or effect.
SIGNATURE: After reasonable inquiry and to the best of
my knowledge and belief, I certify that the information
set forth in this statement is true, complete and
correct.
Date: February 12, 1996
By: /s/ Philip D. Hausken, Vice President
