Rm.501, 5/F., Lee Loong Building
4 Queen Victoria Street, Central, Hong Kong

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Last Modify: 2023/06/03

Shipping, tax, and handling costs is not included in the price.
Model No. Techron (Crown) 5530 (DC-300A-II) Power Amplifier
Description


Techron 5530 power amplifier.

Techron 5530 is based on model DC-300A-II Amplifier made by CROWN for use of medical equipments. Use with many accurate parts internally and fitted with extended heatsink for more efficient cooling.

Type: Stereo power ampifier
Output per channel:
Stereo - 155W/8 ohm, 250W/4 ohm
Bridge mono: 500W/8 ohm, 310W/16 ohm
Input impedance: 25K ohm +/- 30%
Input sensitivity: 1.2v
AC voltage: AC-220V 50/60Hz or interchange AC-100V, AC-110V, AC-200V, AC-220V & AC-240V 50/60Hz
Net weight: 20.25kg


Condition7 / 10
Retail Price (HKD) 6,800.00
Retail Price (USD)901.00
QtyOne
Status 
Model No. SAEC WE-308SX Double Knife Edge Tonearm
Description


SAEC WE-308SX double knife edge support tonearm. Comes with SAEC ULS-3X tonearm headshell.

Type: Double knife edge/static balance type
Overall length :392 mm
Effective length :240 mm
Overhang: 5 mm
Tracking error : 0 degree (inside)
Stylus pressure range 0-4g (direct reading type two times)
Handle cartridge weight range: 11~40g (With shell)
Headshell: ULS-3X
Headshell net weight: 18 gram


Condition7 / 10
Retail Price (HKD) 6,800.00
Retail Price (USD)901.00
QtyONE
Status 
Model No. SAEC WE-8000/ST, 407/23 or 317 Arm Base Set
Description


Rare for sell separate SAEC arm base with lock nut set, for use with WE-8000/ST, WE-407/23, WE-317 or WE-317S tonearms.


Condition7 / 10
Retail Price (HKD) 1,800.00
Retail Price (USD)238.00
QtyOne Set
Status 
Model No. SAE X-25A Hypersonic Class A Power Amplifier
Description


SAE X-25A Hypersonic Class A power amplifier.

The Hyperpersonic Power Output circuit is carried in order to know the limit state of every speaker and to realize the amplifier which drives in the correct range and frequency even when connecting with every speaker.

Circuit system: Hypersonic Class A amplifier with constant current and fixed bias
Symmetrical composition: Balanced complementary design
Output: 250W + 250W (8ohm, 20Hz~20kHz, both channel drive, THD 0.02%)
Intermodulation distortion rate: 0.025% (SMPT method, 70Hz: 7kHz = 4:1)
Frequency characteristics: 20Hz~20kHz +0 -0.5dB (at rated output)
S/N ratio: 110dB (IHF-A short)
Input sensitivity: 0.15V
Transient overload recovery time: 1.5usec. / 20 msec.
Feedback: 22dB
Frequency characteristics in open loop: +80kHz
12 power transistors / ch
TIM: Unmeasurable
Protection function: DC offset (No Short or Current Limiting)
Dimension: W485x H185x D390 mm
Net weight: 24kg
AC voltage: AC-120V 50/60Hz


Condition7 / 10
Retail Price (HKD) 12,800.00
Retail Price (USD)1,695.00
QtyONE
Status  
Model No. Audiocraft SD-33 Disc Stabilizer w/ Box #2
Description


Audiocraft SD-33 disc stabilizer. Net weight 730 grams. Comes with original packing box and user manuel.


Condition8 / 10
Retail Price (HKD) 2,000.00
Retail Price (USD)265.00
QtyONE
Status 
Model No. Audiocraft TM-300 Anti-Static TT Sheet
Description


Audiocraft TM-300 wool combine with rubber anti-static turntable sheet.


Condition8 / 10
Retail Price (HKD) 2,800.00
Retail Price (USD)371.00
QtyONE SET
Status 
Model No. Hibino Electro Sound Inc Zenn (I) MC Cartridge
Description


Rare and hard to find moving coil cartridge which order made by Japanese audiophile factory Hibino Electro Sound Inc Japen, Zenn (I) at '80.

Type: Moving coil cartridge
Output: 0.5mV
Stylus pressure: 2.0~3.0 gram (Recommend 2.5 gram)
Frequency response: 10~30,000Hz
Channel separation: 25dB/1kHz
Channel balance: 1.0dB
Compliance 9 10-6cm/dyne@
Internal impedance: 8 ohm
Stylus: 0.30.8mil Line contract
Cantilever: Aluminum alloy
Net weight: 8.8 gram


Condition9 / 10
Retail Price (HKD) 8,800.00
Retail Price (USD)1,166.00
QtyOne
Status  
Model No. Denon DA-309 Tonearm Sub Weight
Description


Denon DA-309 tonearm sub weight.

Type: Sub weight for Denon DA-309 tonearm
Features: Can handle cartridge weight from 15~25 gram when add on DA-309 tonearm

For sell item is Denon DA-309 tonearm sub weight only, not included Denon DA-309 tonearm which shown on sample photos.


Condition8 / 10
Retail Price (HKD) 1,000.00
Retail Price (USD)132.00
QtyOne
Status 
Model No. Audiocraft AS-4K Tonearm Headshell Black
Description


Audiocraft AS-4K tonearm headshell in black color finishing.

Type: Universal tonearm headshell
Net weight: 12 gram


Condition8 / 10
Retail Price (HKD) 1,180.00
Retail Price (USD)156.00
QtyOne
Status 
Model No. Acoustic Research AR-98LS Speaker System
Description


Rare Acoustic Research AR-98LS speaker system.

Type: Air Suspension closed enclosure 4 ways 4 units speaker system
Tweeter: 0.75" dome
Mid/high: 1.5" done
Mid/low: 8" cone
Woofer: 12" cone
Crossover frequencies: 20, 1,100, 5500 Hz
Frequency response: 39-32kHz +/-3dB
Impendance: 4 ohm
Dimension: W15.5x H29.5x D10 inches
Sensitivity: 87dB
Net weight: 63lb (Each)


Condition7 / 10
Retail Price (HKD) 8,800.00
Retail Price (USD)1,166.00
QtyPair
Status  

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Negotiated Sold Consigned Reserved New Used



Goods sold are not returntable. Subject to terms and conditions exchange of goods can be considered.