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Noise on SC4 w/SM58 handheld
March 2, 2018

Good troubleshooting on your part. Here are other items we want to know:1. Does changing the frequency have any affect?2. What happens when only the r ...

Rewiring 520D for low impedance use
March 2, 2018

Here are the instructions directly from the 520D User Guide:1. Disassemble the 520D. Cut the BLUE and BLACK leads in half. Solder the BLUE lead from t ...

Comparison of SM10A and 512
March 2, 2018

The SM10A and the 512 use the same mic element. Check the sound pressure levels used for the two Open Circuit Voltage readings. It is likely that one ...

PSM400 frequency response
March 2, 2018

The correct frequency response specification for a complete PSM400 system (including the receiver) is:50 Hz to 15 kHz (+0, -3 dB re 1 kHz) ...

PE53 User Guide
March 2, 2018

The PE53 is the same as the model 533A. ...

M95 cartridges, M44-7 stylus
March 2, 2018

(1) When these cartridges were available, the M95EJ came with the N95EJ stylus (1.5 to 3 grams tracking force) and the M95HE came with N95HE stylus (0 ...

ST6000 Information
March 2, 2018

In brief, the ST6000 (discontinued in the early 1990's) is a teleconferencing mixer that requires for proper operation: an analog phone line connectio ...

Use of P4M with FP22
March 2, 2018

To answer your question, we will assume that the two microphones must maintain their own independent signal paths and will only be combined in the FP2 ...

Phantom vs. internal battery power with BG4.1
March 2, 2018

The BG4.1 always has a balanced output, regardless of power source. It is the cable that unbalances the signal. Anytime the BG4.1 receives phantom pow ...

Connector for L1 transmitter?
March 2, 2018

The L1 used the same type of connector that we still use. This 4 pin connector has many names, including Tini-QG, TA4, and mini-XLR.Shure offers sever ...