PS AUDIO BHK SIGNATURE 300








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When you are unwilling to compromise performance we offer the BHK 300 Signature 300 watt Monoblock power amplifiers. They are among a rare handful of amplifiers capable of uncovering music's rich tapestry in a lush, uncompromised, effortless presentation.
The audio performance and build quality of the Signature 300 series has been refined, honed, and polished over the past half century of design work by industry legend, Bascom H. King. They are mono block amplifiers that produce 300 watts into 8Ω, 600 into 4Ω, and a whopping 1,000 watts into 2Ω. The BHK Signature 300 Monoblock designs are built upon two proven topologies: a zero-loss vacuum tube input stage coupled to a high bias differentially balanced MOSFET output. If you are uncomfortable with compromise and seek the finest performance, reliability, and build quality, the BHK Signature 300 series is a perfect fit that can drive any loudspeaker to musical perfection.
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DESIGN
The hybrid vacuum tube/MOSFET design of the BHK Signature Amplifiers provides stunning musical performance through any loudspeaker.The Signature 300 Mono doubles the output current of the 250 Stereo, and doubles the tubes, power supplies, transistors, capacitors and resistors. The results are hard to put into words. Your first listen to these extraordinary monoblock amplifiers will likely be a revelation. For perhaps the first time you'll discover all that has been long buried in your musical collection. You'll know this amp was the right choice from the very first note you play.
APPLICATION
The BHK Signature 300 Mono Amplifier is one of only a rare handful capable of uncovering music's rich tapestry in a lush, uncompromised, effortless presentation. If you haven't any barriers to perfection, the BHK 300s are perfect for any size system in the world, producing a minimum of 300 watts into 8Ω, a minimum 600 watts into 4Ω, and an astonishing 1000 watts into 2Ω. Enough linear amplifier power to bring life to music as you've only experienced with live music.
The importance of the power amplifier in the 2-channel system chain cannot be overstated, yet it's often overlooked. It's the rare few music lovers that truly appreciate the power amp's critical role in preserving music's nuanced details, because most amplifiers fail to preserve them. Overtones from plucked instruments, subtle cues defining placement, depth, soundstage width, and transient decays are often lost in the power amplifier. Suddenly revealed are the tiniest of details that now ring clear through the BHK, perfectly preserved through its low feedback, vacuum tube and MOSFET design. When it comes to musically controlling and powering loudspeakers, the BHK Signature 300 has no peer. The Signature 300 monoblock amplifier produces 300 watts into an 8Ω loudspeaker, 600 watts into 4Ω, and 1,000 watts into 2Ω, providing unfettered and unrestricted dynamics and musical ecstacy that only a rare few are able to enjoy.
Features
ZERO LOSS INPUT TUBE
POWERFUL MOSFET OUTPUT STAGE
THROUGH-HOLE CONSTRUCTION
RCA SINGLE-ENDED INPUT
XLR "TRUE" BALANCED INPUT
300 WATTS PER CHANNEL 8Ω
600 WATTS PER CHANNEL 4Ω
1000 WATTS PER CHANNEL 2Ω
-3dB > 200khz
< 0.1% THD 20Hz - 20kHz AT RATED POWER
DAMPING FACTOR = 100
FRONT PANEL STANDBY BUTTON
BALANCED INPUT TO OUTPUT
DUAL, COPPER, PLATED, OUTPUT BINDING POSTS
83 LBS.
INPUT 12 VOLT TRIGGER
FULLY PARALLELED INSIDE
EASY ACCESS FOR TUBES
Specifications
BHK Signature 250 Stereo and BHK Signature 300 Mono |
|
Unit Weight |
83 lbs [37.6 kg] |
Unit Dimensions |
17.1” x 8.7” x 14” Chassis only. 15″ deep including connectors. |
Shipping Weight |
92 lbs [41.7 kg] |
Shipping Dimensions |
21”x 13” x 19” |
Color Options |
Black |
Voltage Options |
Japan 100V |
Mains Power Inputs |
IEC C14 |
Fuse Compliment all Countries |
4 – 10 amp fast blow H-Rated 5x20mm Rail Fuses |
Fuse Compliment Mains |
100vac Countries |
Accessories Included |
US (NEMA 5-15P) (all versions) |
Audio Inputs |
RCA (Unbalanced) |
Speaker Outputs Signature 250 |
Gold plated copper binding posts (2 pair per channel) |
Speaker Outputs Signature 300 |
Gold plated copper binding posts (2 pair) |
Other |
DC Trigger Input |
Warranty |
3 years parts and labor on unit |
Power Consumption |
|
@Ready |
75 Watts |
@Idle |
175 Watts |
@Rated power 8Ω |
850 Watts |
@Rated power 4Ω |
1600 Watts |
Signal |
|
Gain |
30.5dB +/-0.5dB |
Sensitivity for rated output power of 250 watts into 8Ω |
1.3V |
Noise |
100-20KHz <-85dBV |
Input impedance Signature 250 stereo |
Unbalanced 100KΩ |
Input impedance Signature 300 mono |
Unbalanced 50KΩ |
Output Impedance |
50Hz, 2.8VRMS <0.1Ω |
Frequency Response |
@2.8VRMS |
THD&IM |
|
1KHz, 1W/8Ω |
<0.01% |
20-20KHz, 1W/8Ω |
<0.1% |
1KHz, 200W/8Ω |
< 0.1% (120VAC Mains input) |
1KHz, 400W/4Ω |
< 0.1% (120VAC Mains input) |
Signature 250 Stereo Amplifier |
|
Output Power |
Both channels driven 120vac mains, 1kHz, 1% THD |
8Ω |
250W minimum |
4Ω |
500W minimum |
2Ω |
Stable for musical transients |
Damping factor |
>150 |
Signature 300 Mono Amplifier |
|
Output Power |
120vac mains, 1kHz, 1% THD |
8Ω |
300W minimum |
4Ω |
600W minimum |
2Ω |
1000W |
Damping factor |
>350 |