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Focus on R & D and production of electronic transformers for 26 years. Can be customized as required to meet the requirements of different industries.

Transformer custom service hotline 400-0989-306

崇州恒达电子
Xiaohuaniu Audio Transformer

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HDM-15 Preamps and other small ring cows

HDM-15

Product power: 15W Output voltage: 2 * 15V Product model: HDM-15 Dimensions: Φ≤67mm, H≤39mm Input voltage: 220V Installation method: 55 * 55 Application areas: power amplifier pre-stage, DAC decoder
HDM-15 For small ring cattle such as amps

HDM-15

Product power: 15W Output voltage: 2 * 12V Product model: HDM-15 Dimensions: Φ≤67mm, H≤39mm Input voltage: 220V Installation method: 55 * 55 Field of use: DAC decoder, amp, etc.
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Xiaohuaniu Audio Transformer Model List (some examples)
power Dimensions
H × Φ (mm)
Installation size (mm)
12VA 37 × 63 55 × 55
15VA 39 × 67 55 × 55
20VA 40 × 70 60 × 60
25VA 40 × 76 60 × 60
30VA 40 × 77 60 × 60
40VA 41 × 88 70 × 70
50VA 46 × 90 70 × 70
HDV series audio transformer performance indicators (some examples)
model Power (VA) Primary DC copper resistance (Ω ± 20%) No-load current (≤mA) Load loss
(≤W)
Anti-electrical strength between primary and secondary
(KV)
Adjustment rate
(≤%)
Insulation class
Full load temperature rise
(≤ ℃)
Efficiency (≥%)
HDV-50 50 36 10 1.1 3.5 / 60S 10 B 35 88
Remarks: For more examples of models, please log in to our official Taobao shop: http://scczhd.taobao.com
HDM series audio transformer performance indicators (some examples)
model Power (VA) Primary DC copper resistance (Ω ± 20%) No-load current (≤mA) Load loss
(≤W)
Anti-electrical strength between primary and secondary
(KV)
Adjustment rate
(≤%)
Insulation class
Full load temperature rise
(≤ ℃)
Efficiency (≥%)
HDB-50 50 35 15 1.5 3.5 / 60S 10.5 B 35 88
Remarks: For more examples of models, please log in to our official Taobao shop: http://scczhd.taobao.com

Product features

高端音响变压器

01

Small ring cattle refers to toroidal transformers below 50VA, suitable for volume-constrained environments, fully replacing R-type transformers; used in DAC decoders, preamps, amps, etc .;

02

Small ring cattle HDM series: Select high-quality iron core for precise annealing and targeted design;

03

Special anti-noise processing technology, effectively reducing the electromagnetic noise generated by the transformer during work;

04

Add electrostatic shielding between the first stage, compared with conventional transformers, reduce electromagnetic interference by more than 20%;

05

Fully hold UL, CE, RoHS, CESI, ISO9001 quality system certification.

Transformer installation effect

  • HDY Power Series
  • 特殊安装 Special installation
  • Vertical installation
  • 加接线排BK安装 BK installation
  • 中孔灌封 Mesopouring
  • BK变压器

    BK transformer

Installation diagram

Packing

custom solutions

Online
Choose the relevant parameters according to your needs

  • rated power
  • Lead length
  • Primary rated voltage
  • Other characteristic requirements:
  • Secondary rated voltage
  • Dielectric strength
  • Application area
  • Terminal insert
  • protective device
  • Power frequency
  • Insulation class
  • Dimensions

Online
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  • Name
  • phone
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