Gemini BPM250 free download

File name Gemini-BPM250 mix.pdf

SERVICE MANUAL BPM-250 Stereo Preamp Mixer CONTENT'S: Connections & Operations:...Page 2-5 Specifications:...Page 5 Parts Lists:...Page 5 PCBs:...Page 6-7 Schematics...Page 8 Gemini Sound Products Corp. 120 Clover Place P.O. Box 6928 Edison, NJ 08818-6928 732-738-9003 (Phone) · 732-738-9006 (Fax) Page 1 3 5 28 27 1 2 6 6 6 7 7 7 16 8 8 8 17 9 9 9 18 21 21 21 20 10 19 11 12 29 22 13 14 15 25 23 26 24 4 Page 2 GROUND LIFT 30 38 LIFT 37 35 34 33 32 31 36 Page 3 38 39 40 38 39 40 34 33 32 31 36 Connections 1. Before plugging in the power cord, make sure that the VOLTAGE SELECTOR (30) switch is set to the correct voltage. NOTE: NOTE This product is double insulated and not intended to be grounded. 2. Make sure that the POWER (1) switch is in the off position. The POWER LED (2) will be off. 3. The BPM-250 is supplied with 3 sets of output jacks. The MASTER OUTPUT (38) jacks are used to connect to your main amplifier. The OUTPUT REC (40) jacks can be used to connect the mixer to the record input of your recorder enabling you to record your mix. The OUTPUT BOOTH (39) jacks allow you to hook up an additional amplifier. 4. The DJ MIC (3) input (found on the front panel) accepts a 1/4" or XLR connector and accepts only unbalanced microphones. 5. On the rear panel are 2 stereo PHONO (32, 34) inputs, 2 stereo LINE (31, 33) inputs and 1 stereo PHONO/LINE (36) input. The PHONO/LINE (35) switch enables you to set the (36) input to Phono or Line. The phono inputs will accept only turntables with a magnetic cartridge. A GROUND (37) screw for you to ground your turntables is located on the rear panel. The stereo line inputs will accept any line level input such as a CD player, a cassette player, etc. 6. Headphones can be plugged into the front panel mounted HEADPHONE (4) jack. 7. The BPM-250 comes with a front panel BNC LIGHT (5) jack. This jack is for use with a gooseneck light like the Gemini GNL-700. SUGGESTION: You can use the Cut Features on each channel to remove Low, Mid and/or High to create special effects. 4. CROSSFADER SECTION: The CROSSFADER (26) allows the mixing of one source into another. The left side of the CROSSFADER (26) is channel 2 and the right side is channel 3. The CROSSFADER (26) in your unit is removable and if the need arises can be easily replaced. Crossfader units are available in three varieties. Part # RF-45 (which is identical to the crossfader supplied with the mixer) has a 45 mm travel from side to side. Part # RF-30 is available with a 30 mm travel distance. Also available is the PSF-45 with a special curve designed