Summary of Contents for Forssell Technologies SMP-2
-
Page 1: User Manual
F(t) Forssell Technologies Inc SMP-2 Microphone Preamplifier User Manual Forssell Technologies Inc Sandpoint Idaho USA (208) 263-0286... - Page 2 If your preamp is wired for 220 VAC, then please use a 250 ma time-delay fuse. Operation Operation of the SMP-2 is very simple and should be intuitive for most users. Microphones are connected to the SMP-2 preamplifiers via female XLR connectors to the rear panel, and the...
- Page 3 The unused XLR should have no cable plugged into it. Gain control on the SMP-2 variable from a minimum of +6 dB to a maximum of +68 dB (or +74 dB if high gain option is installed) in 24 steps. The gain control use high quality Elma switches for long life and good signal switching qualities.
-
Page 4: Specifications
Further, if you have multiple SMP-2 preamps in a rack, it may be a good idea to place an 1U air space every 4 units. Specifications Minimum Gain = +6 dB Maximum Gain = +68 dB or +74 dB Input Impedance = 13k ohms EIN (Max gain) = better than –128 dBu (22 Hz to 22 KHz, unweighted), typically –130 dBu... - Page 5 SMP- 2 Two Channel Discrete JFET Mic Preamp Test Data Unless otherwise specified all tests into 10k ohm || .001 mfd load Forssell Technologies Inc A-A THD+N vs AMPLITUDE 05/31/07 14:29:03 0.05 0.02 0.01 0.005 0.002 0.001 0.0005 0.0002 0.0001 Output Level dBu Mike Pre THD+N vs AMP.at2c...
- Page 6 Forssell Technologies Inc A-A FFT SPECTRUM ANALYSIS 05/31/07 14:38:05 -100 -110 -120 -130 -140 -150 Mic Pre FFT.at2c FFT plot 0 dBu output Forssell Technologies Inc A-A FFT SPECTRUM ANALYSIS 05/31/07 14:39:56 -100 -110 -120 -130 -140 -150 Mic Pre Dual Freq FFT.at2c...
- Page 7 Forssell Technologies Inc Input Noise 05/31/07 14:42:46 -100 -105 -110 -115 -120 -125 -130 -135 A-A EIN.at2c EIN at max gain 20 Hz to 22 KHz Forssell Technologies Inc A-A FREQUENCY RESPONSE 05/31/07 14:50:11 +2.75 +2.5 +2.25 +1.75 +1.5 +1.25 +0.75...
-
Page 8: Contact Information
The signal path is entirely DC coupled except for the phantom powered inputs. +48 VDC full current phantom power supply. +/- 22 VDC power supply rails. Contact Information: Forssell Technologies Inc 235 Wild Horse Trail Sandpoint, Idaho 83864 USA 208-263-0286...
Need help?
Do you have a question about the SMP-2 and is the answer not in the manual?
Questions and answers