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LSub
LS2000 & LS1500

LSTD

Parameter Cards 1a99a, 1a75a, 2b55a, 2b75a

Service Manual

Service Manual LS2000 LS1500
Release : 1 LSTDcontroller Parameter cards
Date : 02/12/2004
p.2 LS CABINETS REFERENCE GUIDE
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I. LS CABINETS REFERENCE GUIDE
I.1. LS1500 parts list
GROUP PART DESIGNATION PART NAME
Transducers LF Loudspeaker (x2) LS.HPB15
Recone kit LS.HPB15K
Required Controller Complete Unit LSTDcontroller
Parameter cards 1a75a or 1a99a
Spare parts see separate parts list
Miscellaneous Front foam
Flying rail (optional)(x 3)
Rings for Flying rail

I.2. LS 2000 parts list
GROUP PART DESIGNATION PART NAME
Transducers LF Loudspeaker LS.HPB20 or LS.HPB20B [a]
Recone kit LS.HPB20K
Required Controller Complete Unit LSTDcontroller
Parameter cards 2b55a or 2b75a
Spare parts see separate parts list
Miscellaneous Front foam
Flying rail (optional)(x 3)
Rings for Flying rail
[a] HPBLS20 has been used on cabinets with serial numbers 1 to 327. HPBLS20B has been used since

Service Manual LS2000 LS1500
Release : 1 LSTDcontroller Parameter cards
Date : 02/12/2004
service instructions p.3
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II. SERVICE INSTRUCTIONS
II.1. Read Before Starting Reconing an LS2000 loudspeaker
This note only concern HPBLS20 Loudspeaker (up to serial number 327)
After having removed the old cone-coil assembly, please have a look on the part of the chassis around
the magnetic gap. If there is a metal ring (with silver aspect), you will have to proceed as follows :
1. Unfasten the 4 screws assembling the metal ring and the basket (use a Pozidriv #3 type
screwdriver).
2. Remove the metal ring.
3. Reassemble the basket to the magnetic part, using the provided 4 screws (BTR type) and the
special Loctite type glue to avoid potential loosening. Tighten the screws as strongly as possible.
DO NOT USE THE PREVIOUS SCREWS WHICH ARE TOO LONG AND COULD DAMAGE
THE CHASSIS.

Metal ring

II.2. Mounting the loudspeaker into the cabinet.
Speakers have to be mounted in a push-pull architecture. Speaker 1 is mounted in a conventionnal way
and speaker 2 is mounted upside down. Use the special dia 6 SUPERIX screws, with a n