The Bryston B135³ Integrated Amplifier is without question one of the most sonically transparent and reliable audio products available. It offers performance levels equal to the finest separate audio components. Inputs: 6x RCA Single Ended Pairs, 2x RCA Single Ended Pairs (Record In, Power Amp In), 2x Optical (TOSLINK)*, 2x SPDIF (RCA)* Outputs: 2x RCA Single Ended Pairs (Record Out, Preamp Out), Speaker Terminals, ¼” Headphone Jack Control: RS-232 (DB9), AUX IR, 2x 12V Output Triggers Features: •135W into 8 Ohms (180W into 4 Ohms) •Over 30,000 MFD of filter capacitance per channel •Three ultra-low-noise power transformers •Separate ground paths for Digital and Analog •Gold plated switch, contacts, and connectors •Pre-out/main in connectors •Convection cooled and housed in a fully aluminum chassis •RS-232 serial data port for remote control via Crestron, AMX or similar control systems Options: •Available with silver or black faceplate •17” or 19” faceplate available (non-rack mountable) •Optional internal DAC or internal MM phono (see Accessories in Other Products) •BR2 remote control available (see Accessories in Other Products) *Only available with internal DAC, SPDIF replaces RCA single ended pair. Technical Specifications:- AMPLIFIER SECTION:- Power Output Per Channel: 8Ω Load: 135W Amplifier Gain High: 29dB 28.28 V/V Sensitivity (into 8Ω) High: 1.0V-100w High: 1.16V 135W Input Impedance: Single Ended ≈30kΩ IMD 60Hz + 7kHz 4:1 ≤ 0.005% THD+N 20Hz-20kHz @ 135W, 8Ω ≤ 0.005% Slew Rate > 60V / μS Bandwidth < 1Hz to > 100kHz Damping 20Hz, 8Ω > 500 PREAMPLIFIER SECTION:- Frequency Response 20Hz - 20kHz ±0.05dB IMD or THD < 0.003% High Level Sensitivity 500mV Noise 20Hz - 20kHz, ref. 1V -100dB Input SECTIONS COMBINED:- Weight Pounds:26.5 Kilograms:12 Power Consumption (Watts) Standby: < 1W Idle: ≤ 70 2 Ch. 17W 8Ω: 210 2 Ch. 135W 8Ω: 500 Heat Load Idle: ≤ 239 (BTU/Hour) 2 Ch. 135W 8Ω: 1706