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B&K Ref 50

B&K Ref 50 Manual

Let's speak about features and functions for a minute. The Reference 50 includes seven audio inputs that may be connected through line audio, optical digital, or optical coax. There are a matching number of composite video and S-Video video inputs, as well as three component video connectors. The Reference 50 has the advantage of allowing you to attach any video input to any audio input, making it simple to mix and match components. The configuration is done using a simple onscreen display. The first setup procedure included assigning and identifying all inputs in use, selecting the number and location of speakers, selecting speaker size (for each speaker), inputting the distance from the primary listening position to each speaker, and changing the volume level for each speaker. I didn't bother with a sound pressure meter, instead making changes by ear using the pink noise generator integrated within the device. The remainder of the setup took around 15 minutes after I found out how to perform all of the input assignments (which was not obvious).

Change things up. Because no two rooms in your house are the same, why use an amplifier that does? There will inevitably be spaces that need extra power: think great room, pool, or patio, to name a few. Keeping this in mind, we created the world's first multi-channel amplifier to provide power where it is most required. This powerful 16-channel amplifier is unlike any other, with 12x75wpc for strong background music and 4x150wpc to allow two zones truly shine. Made in the United States. Features:

B&K Reference 50

B&K Components Reference 50 and Reference 7250 Series II 5 channel power amplifier were utilized. This was a high-end power amplifier model from B&K. Specifications for the 7250 series II are as follows: Power Output / Channel: 200 Watt, 375 Watt 4 Ohm, 8 Ohm output impedance / channel Frequency 5 - 45000 Hz response THD (Total Harmonic Distortion): 0.09 percent 50th Reference Specifications: 5Hz to 20kHz frequency response Sensitivity of the input: 2000mV (line) 98dB signal-to-noise ratio (line) 3V output (Pre out Max) Coaxial and optical digital inputs Component, composite, and SVHS video connections are available. Minor Scratches, powers on, and boots up; untested beyond powering on. Home is smoke-free. $700 OOPS, it seems that you have forgotten something. Please double-check the red-highlighted fields.

Some additional troubleshooting suggestions... Is it accurate that the back panel connections are not directly attached to a circuit board? If this is the case, tracking the wires will ultimately lead to one. They will not, however, have been put to the same stress as the direct-connect kind. In fact, unless the unit was dropped, it's doubtful they've been stressed at all. Instead, look for broken insulation that might create a short. Check for conductive material, such as tiny screws or metal shavings, which may create shorts. Dendritic development is a real possibility if the unit has been used in a humid climate, however it may not be evident to the human eye. However, if such were the case, more than one circuit would very certainly be impacted. Another possibility is that board-to-board connectors have become loose enough to produce intermittent connections, resulting in the interrupted sound you're hearing. As you dismantle the machine, look for them and gently reseat them. HTShack was used to send this message from my iPad.

Let's speak about features and functions for a minute. The Reference 50 includes seven audio inputs that may be connected through line audio, optical digital, or optical coax. There are a matching number of composite video and S-Video video inputs, as well as three component video connectors. The Reference 50 has the advantage of allowing you to attach any video input to any audio input, making it simple to mix and match components. The configuration is done using a simple onscreen display. The first setup procedure included assigning and identifying all inputs in use, selecting the number and location of speakers, selecting speaker size (for each speaker), inputting the distance from the primary listening position to each speaker, and changing the volume level for each speaker. I didn't bother with a sound pressure meter, instead making changes by ear using the pink noise generator integrated within the device. The remainder of the setup took around 15 minutes after I found out how to perform all of the input assignments (which was not obvious).

This is a one-of-a-kind piece of audiophile gear: the B&K Components Reference 50 Series 2 Preamplifier/Tuner, one of the greatest audiophile preamp models made by any manufacturer, equipped with the very uncommon rackmountable silver finish faceplate. Amazing digital and analog feature set, pro grade heavy strong engineering and construction, and fantastic sound. The Reference 50 is an excellent music component that also has complete AV capabilities, including 7.1 channel processing and built-in surround decoding, and it is THX Ultra certified by Lucas. It offers normal RCA preamp outputs as well as a complete set of balanced outputs for professional installation, as well as several analog and digital recording outputs. 11 digital audio inputs and 7 analog stereo RCA inputs! All of them may be allocated, renamed, and made to be the default listening preferences (which you can easily change when desired). All settings may be modified and configured using the front display; no monitor is required for onscreen setup. Excellent FM and AM tuner stage construction. And more, much more (see the images for B&K discussion of features and factory specs).

B&K Reference 50 S2

My B&K reference 200.7 amplifier and B&K reference 50 pre/pro are for sale. Both are Series 2 models. They are in fantastic functioning condition and have no functional concerns. The 200.7 amp is in great physical condition, with no scrathes. Physically, the pre/pro is in fair condition, with small scratches on the faceplate and top (i tried to capture them in the picture). The pre/pro is also lacking feet, and I don't have the remote, but replacement remotes are approximately $30 on eBay. I'm asking $1000 for both items together. I acquired them in the hopes of putting together a great h/t rig after falling in love with B&K gear for my two channel setup. However, due to unexpected costs, I will have to let them go. For the time being, I'm looking for local pickup. I'm happy to meet anyplace between Baltimore and Philadelphia since I'm in the center of Maryland.

Aside from that little hiccup, operating the Reference 50 is a breeze. When moving between inputs (or between a digital and an analog program), there is a tiny "pop" in the audio, but this is the sort of delightful eccentricity that you grow to embrace with this kind of hand-built equipment. After all, this is not a mass-produced component; it was designed by audiophiles for audiophiles, and it looks and feels the part. It's a pretty durable, firmly built machine. From the brushed metal front plate to the cool blue front panel display to the sturdy feel of the back panel connectors, everything about the Reference 50 screams class and quality. It's difficult to put into words how quality feels, but the Reference 50 does. The Reference 50 is controlled with a modified version of the Home Theater Master MX-700 remote. This is an excellent match for this unit, and it makes the Reference 50 a better bargain than it seems at first glance. In the third installment of this series, I'll go through the remote in further detail.

Power Level: 8 4 stars for power. 125 and 185 watts Channels available 2 Present (peak to peak) 30 Amps Headroom in Motion 1.2 dB Distortion of Total Harmony (THD) 0.09 percentage point The signal-to-noise ratio (S/N) 95 dB Impedance of Input 33.2 k The Damping Factor (50 Hz) 180 Hz - 45 kHz Frequency Response 14 V/sec Slew Rate Unbalanced RCA Input Sensitivity 1.0 Volt XLR Balanced Input Sensitivity 2.8 Volts | Pin 1 = Gnd | Pin 2 = In + | Pin 3 = In - Gain 28.3AV* or 28dB AC Line Voltage (optional / switchable) 120 / 220 / 240 VAC Controls for Levels There is no obligation. Post Wire Gauge Maximum 4 AWG Inputs that are balanced Yes 5 - 24 VDC control input 10 - 12VDC Control Output 200mA Width Dimensions in Inches (Cutout Dimensions) Depth 17.00 (17.12) 5.78 (5.90) 15.63 (16.75) Power Consumption 31 lbs Shipping Weight 680 watts maximum power draw 7.5 amps maximum current drain 60 watts when there is no input Keep an eye on this item and we'll tell you when it becomes available again.

Overall, I would strongly suggest the B&K components for classical and jazz listening with non-Klipsch speakers. They are of outstanding quality and provide excellent value for money. The pre-amp is also an excellent tool for comparing and contrasting various components and interconnects to see if there is a difference in sound quality.

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