Shure SM33 User Guide

Output Level (at 1,000 Hz)

38 ohms 150 ohms

Open Circuit Voltage* . . -86.0 dB -78.0 dB (.050 mV) (.124 mV)

Power Level** . . . . . . . . . . . . -59.0 dB -58.5 dB

*0 dB = 1 volt per microbar

**0 dB = 1 milliwatt per 10 microbars

Hum Pickup (typical in 60 Hz field)

39.0 dB equivalent SPL/millioersted (Response Selector Switch in “M” position)

Switch

Slotted, rotary-type, Voice-Music Response Selector Switch (see Figure 2 for rolled-off and flat lowfrequency response)

Cable

6.1 m (20 ft) rubber-jacketed, two-conductor shielded cable, with female three-pin professional audio connector* on microphone end

*Designed to mate with Cannon XL series, Switchcraft A3 (Q.G.) series, or equivalent connector

Swivel and Shock Mount Assembly

Positive action, permits tilting head through 55° forward and 70° backward; shock-mounted with internal rubber vibration-isolator; suitable for mounting on stand with 5/8”-27 thread

Case

Nonreflecting gray enameled die casting with aluminum grille

Dimensions

See Figure 4

OVERALL DIMENSIONS

FIGURE 4

Net Weight (less cable) 736 grams (1 lb, 10 oz)

Packaged Weight

1.48 kg (3¼ lb)

ARCHITECTS’ SPECIFICATIONS

The microphone shall be the Shure Model SM33 or equivalent. The microphone shall be a moving ribbon type with a frequency response of 40 to 15,000 Hz. The unit shall have a supercardioid polar characteris-

tic. The cancellation at the	sides shall be	approximately
7 dB, and the cancellation	at the rear	shall be 5 to

13 dB. The microphone shall be a dual-impedance unit with rated impedances of 38 ohms and 150 ohms for connection to microphone inputs rated at 19 to 75 ohms and 75 to 300 ohms. The microphone output shall be:

38 ohms . . . . . . . . . . . -59.0 dB 150 ohms . . . . . . . . . . . . . . . -58.5 dB (0 dB = 1 milliwatt per 10 microbars)

The microphone shall be equipped with a built-in two-position Response Selector Switch providing either flat or rolled-off low-frequency response. The microphone shall be equipped with a swivel and shock mount assembly with an internal rubber vibrationisolator. The swivel shall be adjustable through 55° forward and 70° backward, and shall be suitable for mounting on a stand having a 5/8”-27 thread. The microphone shall be provided with a 6.1m (20 ft) detachable rubber-jacketed, two-conductor shielded cable

with a	female three-pin	professional audio connector*
at the	microphone end.

The overall dimensions of the microphone shall be 202 mm (7-1/32 in.) in length, 34.9 mm (1-3/8 in.) in width, and 52.4 mm (2-1/16 in.) in depth.

*Designed to mate with Cannon XL series, Switchcraft A3 (Q.G.) series, or equivalent connector

OPTIONAL ACCESSORIES

Desk Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .S33P

Quick Disconnect Adapter . . . . . . . . . . . . . . . . . . . . .A45

REPLACEMENT PARTS

Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C50

Cable Connector . . . . . . . . . . . . . . . . . . . . . . . . . . RK120P

GUARANTEE

This Shure product is guaranteed in normal use to be free from electrical and mechanical defects for a period of one year from date of purchase. Please

retain proof of purchase date. This	guarantee	includes
all parts and labor. This guarantee	is in lieu	of any

and all other guarantees or warranties, express or implied, and there shall be no recovery for any consequential or incidental damages.

SHIPPING INSTRUCTIONS

Carefully repack the unit and return it prepaid to:

Shure Brothers Incorporated Attention: Service Department 1501 West Shure Drive Arlington Heights, Illinois 60004

If outside the United States, return the unit to your dealer or Authorized Shure Service Center for repair. The unit will be returned to you prepaid.