Ampex MX-10 Preamp Stereo Multiple Lines Mixer RARE

Description: Ampex Model MX-10 Multiple Lines Stereo Mixer Preamp Line Mixer Vintage Rare FOR SALEIt has NO missing parts like many others. No rust or mold.It has not been tested, it powers on and everything switches on/off fine.It comes with a sturdy portable case for transportation.It was used by a cable company before being decommissioned.I will pay for shipping; shipping included! Please read: The reason I'm selling this unit is because I need money to pay for a knee surgery for my wife. Thanks. DESCRIPTION: A compact four position. two channel mixer with unique switching facilities found 011ly in expensive custom designed studio consoles. Special coupling connectors are provided to give additional facilities where up to four MXlO's can be coupled together with overall Master Gain controlled by the last unit in the system. Each mixer position has a reset indicator which permits return to a previous level and is supplied with a key switch which feeds channels "A'" or "B" or BOTH. In the latter position, this permits feeding the solo mike (as in the case of stereo recording) equally to both left and right channels while other mikes are feeding either the left or right channels. Above mixer positions No. 3 and No. 4 are two additional keys to select mike or line input from appropriate receptacles located on the back of the unit. All switching regardless of combination maintains proper balance and isolation between channels. SPECS: INPUTS: Four microphone level inputs and two-line high level inputs incorporating high level mixing. INPUT IMPEDANCE: Microphone; 200 ohms non-terminating; line: 100 k, ohms i bridging. (With optional plug-in balanced line transformer 20,000 ohms.) OUTPUTS: Two, 1 volt normal; 30 volts’ maximum unbalanced to feed bridging input of recorder. GAIN: With internal and external control settings at maximum, -67 dbm on any mic channel or- 27 dbm on any line channel will produce l volt output. I volt input I lo the PR l O electronics corresponds to O vu. FREQUENCY RESPONSE: ± 1 dB 40 to 15,000 cycles NOISE: 65 dB below signal for inputs of - 55 dbm. This represents a noise equivalent to on input signal of -120 dbm. DISTORTION: At 500 cycles, less than 0.3% with -43 dbm mic input level, 1 v output level; less than 1 %with - 29 dbm mic input level, 25v output level. CROSSTALK REJECTION: 65 dB at 500 cycles, 50 dB a t 10 kc. CONTROLS: Four AB pots (calibrated step type available on special order); master gain (two gong) pot; key switches for selection of mic or line on two input positions; key switches for channel A, both or Channel B on each mixer position; AC line switch; mixer coupling switch (located on the bock of the chassis). CONNECTORS: Rugged "XL" type on a ll inputs and outputs except mixer coupling strip. POWER INPUT: 105-125 volts, 50-60 cycles, 30 watts. TUBES: Six EF86·s and one l 2AU7. DIMENSION: 5-7 / 32" H, 19" L, 5-3/ 16" D (for 5-1 / 4" rock space or portable case) FINISH: Brushed stainless steel with grey knobs. ACCESSORIES: Plug-in balanced bridge line input transformer (Cot. No. 96134-01).

Price: 1200 USD

Location: Bogota, D.C.

End Time: 2024-09-19T17:58:45.000Z

Shipping Cost: 0 USD