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FRONT
SUPPORT

MICROPHONE

REAR 
SUPPORT

CABLE AND 
CONNECTOR

A98SPM ASSEMBLY

FIGURE 10

4. Mount the swivel adapter on the microphone stand.

5. Attach the microphone cable to the 98-A98SPM.

6. Mount the Microphone-Polar Modifier combination in the

adapter as in steps 3 through 5 of the 

Installation section.

7. To remove the microphone assembly from the swivel adapter

without disturbing the adapter and cable, reach into the open
slot of the adapter and press the cable-lock button while disen-
gaging the microphone.

8. NOTE: The Microphone-Polar Modifier assembly can be used

with or without its supplied acoustic foam windscreen. When
mounted on the SM98A-A98SPM, the windscreen not only pro-
vides excellent wind and pop protection, but helps protect the
A98SPM internal element from contamination.

DISASSEMBLING THE PREAMPLIFIER (SM98A)
1. At the XLR connector end of the preamplifier, turn the slotted

head setscrew fully inward (counterclockwise), and use a long-
nose pliers to carefully withdraw the connector from the case.

2. Unsolder the three lead wires securing the XLR connector to

the XLR board.

3. Remove all four Phillips-head screws from the preamplifier

case (three on the switch side, one on the back).

4. Grasp the end cap and withdraw the cap assembly, pc board

assembly, and connecting wires and jacks from the case.

REASSEMBLING THE PREAMPLIFIER (SM98A)
1. Make sure the pc board is seated in the slot of the end cap and

that no wires are pinched.

2. Insert the end cap-board assembly into the case, XLR connect-

ing wires first. Again, take care not to pinch the wires connect-
ing the board to the end cap.

3. Rotate the assembly inside the case until the four holes for Phil-

lips screws line up with the holes in the case.

4. Replace the four Phillips screws.

5. Resolder the three lead wires to the back of the XLR board as

shown in Figure 11.

RED

BLUE

BLACK

2

3

1

WIRING TO XLR PC BOARD TERMINALS

FIGURE 11

6. Replace the XLR board-connector assembly in the case, lining

up the key in the connector with the slot in the case. Take care
not to engage the butterfly-shaped ground contact in the key
slot as it will prevent seating the connector properly.

7. Insert  the connector fully in the case until the slotted setscrew

can be seen in the case hole; tighten the setscrew firmly by
turning it clockwise.

OPTIONAL ACCESSORIES
Drum Mounting Kit

A98MKS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Horn Clamp

A98KCS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Supercardioid Polar Modifier*

A98SPM

. . . . . . . . . . . . . . . . . . . . 

Windscreen (for A98SPM)**

49A82

. . . . . . . . . . . . . . . . . . . . . . . 

*Supplied with SM98A.
**Supplied with A98SPM.

                  REPLACEMENT PARTS LIST

Reference

Designation

Part

Number

Description

Commercial

Alternate

Preamplifier (SM98A)

A1

90B4220

ILP-1 Preamplifier Assembly

None

A2

90HZ2600

Pc Board Assembly

None

MP1

66A264

Preamp Switch Cover

None

MP2

80A476

Mounting Clamp

All States 3/4-HNB

P1

95A8077

Plug Assembly, Male, Miniature 3–Pin

Switchcraft TB3M

P2

90HV2600

XLR-3M Connector and Pc Board Assembly

None

Microphone

MK1

R134

Microphone Cartridge-Housing

None

MP3

49A66A

Windscreen, Microphone

None

MP4

A98SPM

Supercardioid Polar Modifier (optional for WM98)

None

MP5

49A82

Windscreen, Polar Modifier (optional for WM98)*

None

MP6

RK282

Swivel Adapter

None

P1

95A8077

Plug Assembly, Male, Miniature 3–Pin

Switchcraft TB3M

Part of W1
(WM98)

WA330

Connector, Female, Miniature, 4–Pin

Switchcraft TA4F

W1 (SM98A)

C107

Cable–connector assembly, 4.6 m (15 ft), two-conductor,
shielded, 3-pin (female) Switchcraft “Tini Q–G” connectors

None

W1 (WM98)

90A4039

Cable–connector assembly, 1.47 m (5 ft .), two conductor,
shielded, 3– and 4–pin Switchcraft “Tini Q–G” connectors

None

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