The Sound of Silence | Richard / New Record Day Serene is not just a preamp. It is matching the Holo MAY perfectly! So by function, it’s nothing particularly special at first glance. Fully balanced amp. And each channel has 2 discrete amp, one for buffering and one to amplify. Jeff Zhu has put tremendous amounts of time to develop this amp and has researched a way to get more detail and natural sound from a discrete transistor based amplifier. This is more comparable to tube sound however with better detail retrieval. We have chosen specific transistors that have high performance of thermal character. So with a large amount of these transistors we have made an amp that performs extremely well by design. As we have said before, the Serene has discrete amp modules. Each module has about 50 transistors per module. This ensures superior linearity. In a tube amp, the more tubes improves linearity, but how many tubes are considered reasonable? The amount of transistors in the Serene is very high for many discrete amplifiers on the market. This is key for its performance, sound signature, albeit a bit more costly… we think one might agree it is well worth it. Premium grade components have been carefully chosen to deliver the best possible sound signature that Holo Audio is well known for. For an example; Quality Holo Audio Caps are used and our most preferred after testing many other choices. Also a quality O-Type transformer is used for optimum audio performance and of course is properly shielded from surrounding components. Each part of this circuit design has been well sorted out and specific components paired for optimal audio performance. Input impedance 6.8KΩ Input impedance 13.6KΩ Output impedance 20Ω Output impedance 3Ω Output impedance 40Ω 110-115V 50/60Hz – Fuse Type 4A SB 5x20mm There are 2 XLR stereo pair outputs available on the Serene. XLR 1 has the lowest output impedance and is recommended to connect to your amplifier or can be used for headphones. (requires balanced cable with XLR 3-pin connector for left and one for right channel). The XLR 2 output could be used for amplifiers with an higher input impedance. The output impedance of an ideal preamp is zero in theory. This means that regardless of the amount of current drawn by an external load, the output voltage of the preamp remains unaffected. This is an undesired effect so in most situations we prefer the preamp to have a very low output impedance. XLR 1 = Preferred output for amplifiers and suitable for headphones
highlights
Standard Model includes:
Kitsune, KTE Edition includes:
Analog Input
Single-ended RCA input (QTY 3)
Maximum amplitude 12Vpp
Balanced XLR input (QTY 2)
Maximum amplitude 24Vpp
Analog Output
Single-ended RCA output
Maximum amplitude 8.5Vrms
Balanced XLR output 1
Maximum amplitude 17Vrms
Balanced XLR output 2
Maximum amplitude 17Vrms
Physical Characteristics
Size
430x300x55mm / 16.93×11.81×2.17inches (W x L x H, Dimensions do not include protruding parts)
Weight
9kg/19.84lbs
Configuration
Power Input (configurable, see label on bottom of unit for specified input)
220-230V 50/60Hz – Fuse Type 2A SB 5x20mm
Power consumption
30W
XLR 2 = Suitable to drive amplifiers (specially for higher impedance inputs)
HoloAudio – SERENE LEVEL 1 – Balanced discrete pre-amplifier
€3.169,- ( €2.619,01 excl. VAT)Purchase & earn 317 points!
Serene is a preamplifier from HoloAudio. Serene adopts a fully balanced structure. The left and right channels completely separated form a fully balanced structure. Each channel has independent amplification modules to complete the buffering and amplification functions.
The design is able to solve the shortcomings of the transistors, so that its tone can exceed the limits of traditional transistors. It also has both the advantages of tubes and transistors. And the use of a large number of transistors makes the linearity of the amplifier superior in every way. The volume control of the Serene is a fully balanced stepping device controlled by a relay. IEach step is 1 db volume. The advantage is that the noise is minimal and small, and it can be precisely controlled, even at a low volume the left and right channel will not be biased.
Holo audio caps and a 7N O-type transformer as well as CNC Remote Control are included.
READ MORE TECHNICAL SPECIFICATIONS REVIEWS |
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Weight | 9 kg |
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Dimensions | 430 × 260 × 55 mm |
Brand | |
Warranty | 5 year limited warranty |
1 review for HoloAudio – SERENE LEVEL 1 – Balanced discrete pre-amplifier
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Active vs passive preamplifiers? - Holo Serene Preamp Review
Read the Holo Audio Serene Level 1 early customer impression from AudioEnZo
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Peter (verified owner) –
I received Serene last Thursday and I`ve to say that the waiting time until delivery.
Was worth every minute.
Out of the box a beautiful peace of gear that sounded great from the beginning.
Now after approx. 80h of burn-in it impressed more and more.
Especially soundstage depth improved and the holographic sound together
with a pin-point imaging cached me. Never heart my system so good before.
I`ve also paired output 2 with my Meze Elite Headphone: you enter audio nirvana immediately.
It sounded so right, relaxed, smooth but totally transparent with perfect textured bass.
It’s like being on drugs, one song after the other, never stop it – just listen to music more and more…