SR30/HC - Microphone Earthworks - Free user manual and instructions

Product Type	Condenser Microphone
Polar Pattern	Cardioid
Frequency Response	20 Hz - 30 kHz
Maximum SPL	139 dB SPL
Sensitivity	20 mV/Pa
Output Impedance	65 ohms
Power Requirement	48V Phantom Power
Connector	3-pin XLR
Dimensions (Height x Diameter)	160 mm x 30 mm (6.3 in x 1.2 in)
Weight	280 g (9.9 oz)
Diaphragm	Small diaphragm, 10 mm
Included Accessories	Shock mount, wind screen, protective case
Main Features	High transient response, low self-noise
Care and Cleaning	Use a soft dry cloth; gently brush grille
Safety Precautions	Avoid drops, moisture, and extreme temperatures
Spare Parts	Replacement grilles and capsules available
Repairability	Service by authorized technicians recommended
General Information	Designed and manufactured in USA

Frequently Asked Questions - SR30/HC Earthworks

What type of microphone is the Earthworks SR30/HC?

The Earthworks SR30/HC is a condenser microphone with a small diaphragm, designed for high-resolution recording.

Does the SR30/HC require phantom power?

Yes, it requires 48V phantom power to operate, standard on most mixing consoles and audio interfaces.

What is the polar pattern of this microphone?

It features a cardioid polar pattern, which isolates the sound source and minimizes off-axis noise.

What is the frequency response of the SR30/HC?

The frequency response is 20 Hz to 30 kHz, providing extended high-frequency detail for accurate reproduction.

What is the maximum sound pressure level it can handle?

It handles up to 139 dB SPL, making it suitable for loud sound sources like drums and guitar amps.

Can I use the SR30/HC for vocal recording?

Yes, it works well for vocals, especially for capturing detailed and natural vocal performances.

How should I clean and maintain the microphone?

Use a soft dry cloth to wipe the body and a gentle brush to remove debris from the grille. Avoid liquids.

Does the microphone come with accessories?

It typically includes a shock mount, wind screen, and protective case for safe handling.

Is the SR30/HC repairable?

Yes, it is repairable. Replacement parts like grilles and capsules can be sourced from authorized Earthworks dealers.

What applications are ideal for this microphone?

It excels at recording acoustic instruments, drum overheads, and any source requiring precise transient response.

USER MANUAL SR30/HC Earthworks

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Service & Repair

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SR30/HC

Multi-Purpose Hypercardioid High Definition Microphone ^™

User's Guide

Description

The Earthworks SR30/HC is a directional pre-polarized condenser microphone with a first-order hypercardioid pickup pattern directly coupled to a dedicated wideband, low output impedance transformerless preamplifier. The SR30/HC requires a standard 24-48V Phantom Power supply. It features a frequency response from 20Hz to 30kHz, fast impulse response, very low handling noise, uniform polar pattern, and high SPL handling capabilities. It provides excellent uncolored rejection of sounds arriving off-axis.

Each microphone is delivered with its own calibration chart providing the individually measured frequency response curve. A mounting clip is included with the microphone.

Applications

The Earthworks SR30/HC is easy to operate. Connect the microphone to a microphone preamplifier supplying 24-48V phantom power using a standard XLR microphone cable. Please allow up to one minute for the microphone to settle. Plugging in the microphone "hot" (phantom power already present at the input) will not damage the microphone, and is actually preferred for faster settling. It is normal for any phantom powered mic to "pop" when plugged in or powered up. Make sure to mute the signal to speakers or headphones when phantom power is first applied.

The excellent performance characteristics of the SR30/HC make it ideal for a wide range of applications. In the studio or on the stage the SR30/HC is an ideal choice for a variety of instruments including sax, flute, trumpet, guitar, piano, and percussion. It is superior for choir because it doesn't spotlight. Rather, it picks up an entire section with no hot spots. The SR30/HC is popular among concert tapers because of its open uncolored sound and among jazz enthusiasts for its ability to capture explosive performances while retaining the subtle nuances of artistic expression.

This microphone has no removable parts.

Care of Microphone

The Earthworks SR30/HC microphone is a precision instrument designed and built to provide years of top performance. Following these simple rules will help to protect your investment in the SR30/HC:

• Avoid touching the front protective screen.
• Never attempt to disassemble the microphone – it cannot be opened.
• Avoid extreme heat and condensing humidity. Allow the microphone to warm up in the case when bringing it in from the cold weather.
• Rough handling may damage the microphone even if no visible marks are left.
• When not in use keep the SR30/HC in its case.

Specifications

Frequency response: 20Hz to 30kHz

Polar Pattern: Hypercardioid

Sensitivity: 20mV/Pa (-34dBV/Pa)

Power Requirements: 24-48V Phantom, 10mA

Peak Acoustic Input: 139dB SPL

Output: XLR-3

Output Impedance: 65Ω, balanced between pins 2 & 3

Minimum Load: 600Ω btw. pins 2 & 3

Noise: 16dB, A equivalent

Dimensions L x D: 229 x 22 mm (9 x .860 in.)

Weight: 225g (.5lb)

Specifications are subject to change without notice.

XLR Output Connector Assignment of SR30/HC

Frequency Response of SR30/HC (typical)

Impulse Response of SR30/HC (typical)

Polar Response of SR30/HC (typical)