Boulder 1050 brochure

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B o u l d e r A m p l i f i e r s , I n c . 3 2 3 5 P r a i r i e Ave . - B o u l d e r, C O 8 0 3 0 1 3 0 3 - 4 4 9 - 8 2 2 0 - w w w. b o u l d e r a m p. c o m SPECIFICATIONS OUTPUT POWER 50 0W / 8,4, 2 Ohms PE AK POWER 10 0 0W / 4 Ohms, 20 0 0W / 2 Ohms THD & NOISE 20 to 2kHz : .0 01% , 20kHz : .0 05% FREQ RESPONSE - 3 dB @ 0.015Hz, 150kHz VOLTAGE GAIN 26 dB S / N RE : 50 0W/ 8 129 dB , Unweighted 20 to 20kHz BW INPUT IMPEDANCE Bal : 50k, Unbal : 25k Ohms INPUT CONNECTORS 3 Pin Balanced SIZE 18.0 wide, 9. 5 high, 22 . 5 deep (in.) (Add 12 in. for power connector) WEIGHT 140, Shipping : 220 Pounds POWER 120 VAC , 50 - 60 Hz, 30 0 0 W Max Ultra-high current power connector Easy to connect, rugged, high current, speaker terminals require no tools Advanced protection circuits provide trouble- free operation Supervising microprocessor oversees all functions and communicates with other Boulders 48 filter capacitors (beneath the PCA) assure a low impedance, distributed power supply Boulderlink allows multiple 1050s to be sequentially turned on, and transmit their status to the display on a Boulder preamplifier Dampened heatsinks are an integral part of Boulders machined, quiet chassis Multiple gain stages provide most of the gain in the first stage thus maximizing bandwidth Encapsulated and magnetically shielded power transformers for quietest performance 56 Output transistors provide stable operation with any loudspeaker Boulder 1050 Mono Power Amplif ier…the inside story