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Holo Audio Serene Pre-Amplifier SoundHub

Name: Save big on Holo Audio Serene Pre-Amplifier SoundHub . You will find the most effective products at great prices with excellent customer service
SKU: mode_6611675512945
Price: 1225 USD
Availability: InStock

Original price was: $ 4.899.Current price is: $ 1.225.

Level

Clear

SKU: mode_6611675512945 Category: Stereo Amplifier Tags: Preamplifiers, Stereo Amplifier

Serene is a preamplifier from HoloAudio. Serene adopts a fully balanced structure. The left and right channels are completely separated to form a fully balanced structure. Each channel has independent amplification modules to complete the buffering and amplification functions.

This design is able to solve the shortcomings of 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. Each step is 1 dB volume. The advantage is that the noise is minimal, 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 in the base model.

Serene Product Description:

A new generation of fully discrete preamplifiers.

The Serene “晴” adopts a true and fully-balanced design from end to end, with 4 sets of channels, left and right channels each form a fully-discrete design, each channel has two fully-discrete and separate amplification modules to complete buffering and amplification (attenuation) functions. For a total of 8 amplification modules.
The 8 amplification modules of Serene “晴” are of a fully discrete design. The shortcomings of the transistor itself are solved through structural design and implementation. Its tone can exceed the limitations of traditional transistors. Using significant amounts of paired transistors delivers superior linearity and also has the advantages of electron tubes and transistors at the same time. Its tone can exceed the limitations of traditional
Serene’s “晴” power supply is a completely independent structure from the secondary transformer. This is a dual mono amplifier placed in a chassis, so it has a full frequency >130dB performance of channel separation, so that the sound field is perfectly reproduced.
Serene “晴” volume control is a fully balanced stepping device controlled by relay-controlled gain stage. Relays are the finest quality with Silver Palladium (AgPd) Gold Plated contacts. For a total of 84 steps, each step is 1db volume, and provides a volume control from -78dB to +6dB. Its advantage is that it has ultra low noise and can be accurately controlled at low volume without causing the phenomenon of left and right channels having unmatched levels. The matching degree of left and right channels in all volume ranges are within +/-0.1dB.

Serene L1(Standard) and L2(KTE):

Standard Model includes:

7N copper, round wire O-type transformer, which was used in the Spring 2 (non-KTE)
Standard copper hook-up wire
Schurter Gold Fuse, same fuse used in Spring 2/May (non-KTE)
Standard capacitors / HoloAudio, audio grade capacitors
CNC Aluminum Remote Control

KTE Serene Model includes:

Flat copper wire O-type transformer which was also used in the Holo Audio May DAC.
Pure silver wire from IEC to power board w/Silver Rhodium plated Faston connectors
Red nano fuse we used in the HOLO Audio May KTE.
Holo audio caps and a 7N O-type transformer
4pcs 5uF/350V Bi-polarized AudioNote Kaisei capacitors.
CNC Aluminum Remote Control
KTE emblem on top of chassis

Specifications for Input/Output and Physical characteristics:

Analog Input
Single-ended RCA input (QTY 3)	Maximum amplitude 12Vpp
Single-ended RCA input (QTY 3)	Input impedance 6.8KΩ
Balanced XLR input (QTY 2)	Maximum amplitude 24Vpp
Balanced XLR input (QTY 2)	Input impedance 13.6KΩ

Analog Output
Single-ended RCA output	Maximum amplitude 8.5Vrms
Single-ended RCA output	Output impedance 20Ω
Balanced XLR output 1 (this can actually be used to power headphones from this output using adapter that is dual 3pin F XLR to single 4pin F XLR)	Maximum amplitude 17Vrms
	Output impedance 3Ω
Balanced XLR output 2	Maximum amplitude 17Vrms
Balanced XLR output 2	Output impedance 40Ω
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
	110-115V 50/60Hz – Fuse Type 4A SB 5x20mm
Power consumption	30W

Level	L1 Serene, L2 KTE Serene

Fast Shipping with Professional Packaging

We provide a variety of shipping options owing to our long-standing relationships with UPS, FedEx and DHL. Our warehouse staff are highly trained to package your goods exactly as per the specifications we offer. Prior to shipping, your goods are carefully examined and securely secured. We ship to thousands of customers every day across multiple countries. This is a testament to our commitment to be the largest online retailer globally. Both Europe as well as the USA have warehouses and distribution centres.

Note: Orders with more than one item are assigned a processing period in accordance with the item.

Before shipping Our team will conduct a thorough inspection on the items you purchased. The majority of orders are delivered within 48 hours. The delivery time varies between 3-7 days.

Returns

The stock is constantly changing and not fully managed by us due to the involvement of several different parties, such as the factory and our warehouse. The actual inventory may fluctuate at any time. It's possible that your order may be unable to fill when you have placed the order.

Our policy lasts thirty days. If 30 days have passed by since your purchase, unfortunately we can't offer you a refund or exchange.

Your item should be in the original packaging and in good condition. It must also not be used. The item should be in its original packaging.

Holo Audio Serene Pre-Amplifier SoundHub

Serene Product Description:

Serene L1(Standard) and L2(KTE):

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